Wiring Diagram for CAT Engines
Wiring Diagram for CAT Engines
16-WAY WARN
                                                                                                                                                                                                                                                                    LAMP MODULE
                                                                                                                                                                                                                                                                    (LOCATED IN
                                                                                                                                                                                                                                                                    CAB HEADER)
                                                                                                                                                                                                                                                                                                                            BRN/ORN
                                                                                                                                                                                                                                                                                                                                                                                                  CAB
                                                                                                                                                                                                                                                                                                                             E158WL
                                                                                                                                                                                                                                                                                                    WHT/LT GRN
                                                                                                                                                                                                                                                                                                                                                                                                  ROOF
                                                                                                                                                                                                                                                                                                      L144EF
                                                                                                                                                                        10
                                           ENGINE                                                                                                                                                                                                                                                                                                                                                 HARNESS
          CAT ADEM III
                                           HARNESS
          CONT ROLLER                                                                                                                                                         A/C                                                                                                SEE
                                                                                                                                                             ENGINE                        UNITARY SWTICH
                                                                                                                                                             HARNESS          EXT          (A/C HIGH PRESS                                                                       SHEET 2
                                                                                                                                                                              HARN         SWITCH (N.C.)                  5                                ENGINE FAN                                                                                                                                          USAGE NOTE:
                                                                                                                                                                                                                                                                                                                 BRN/W HT
                                                                                                                                                                                                                                                                                                                  E159WL
                                                                                                                                                                                                                                                           MANUAL                              A
                                                                      E144CT                                                                                                                                                                               OVERRIDE                                                                                    C144EF                                                    USE ON BI, BII, BIII CABS WITH CAT 3406E
 INPUT #11, A/C PRESS SW      41                                                                                                                                                     WHT                        ENGINE             INSTRUMENT
                                                                    WHT /LT GRN                                                                                                                                                                            SWITCH                                                                                    WHT/LT GRN                                                  OR C10/C12 ENGINES WITH ADEM III CONTROLLER.
                                                                                                                                                                                                                HARNESS            PANEL                   (SHOW N IN AUTO
                                                                                                                                                                                                                                                                                                                                                                                    BLU/LT GRN
                                                                                                                                                                                                                                   HARNESS                 POSITION)
                                                                                                                                                                                                                                                                                                                                                                                       L95ER
                                                                                                                                                           E69CM2
                                                                                                                                                             GRA                             BLK
                                                                      E144EF                                                                                                                                                              E144EF                                E69CM1                                            15A
 INPUT #7 F AN OVERRIDE SW    46
                                                                    WHT /LT GRN                                                                                                                                                         WHT/LT GRN                                GRA
                                                                                                                                                                                 E69CM1                                                                                                                                                             CAB
                                                                                                                                                                                                                                    E69CM2
                                                                                                                                                                                   GRA                                                                                                                                                              ROOF
                                            C144EF                                                                                                                                                                                    GRA
 OUTPUT #5 COOLING FAN        11                                                                                                                                                                                                                                                                                                                    HARNESS
                                          WHT /LT GRN
                                                                    GND_G                        GND_H
                                                                                                                             C                                                                           L144EF                      L144EF                             L144EF                                                                          C144EF
                                                                     WHT                          WHT
                                                                                                                                                                                                       WHT/LT GRN                  WHT/LT GRN                         WHT /LT GRN                                                                     WHT /LT GRN
                                                                                                ENGINE                                                                                                                                                                                                                                                   L95ER
                                                         GND_A
                                                                                                HARNESS
                                                          WHT
                                                                                                                                                                                                                                                                                                                                      BLU/LT GRN
                                        G148TC                                                                                                                                          G148TC                                                       G148T C                                                                                                                                                   LT GRN
 T ACHOMETER +                38
                                                                                                                                                                                                                                                                                                                                         L95ER
                                        BLK/RED                                                                                                                                        BLK/RED                                                      BLK/RED                                                                                                                                        E69CM2
                                                                     G150SU                                                                                                                                    G150SU                            G150SU                                                                                                                                              GRA
 SPEEDOMETER -                37
                                                                    BLU/RED                                                                                                                                   BLU/RED                           BLU/RED
                                                                                                                                                                                                                                                                           TO SPEEDO                                                                                                                                        X            ENGINE
                                        G150SP                                                                                                                                          G150SP                                                       G150SP
 SPEEDOMETER +                36                                                                                                                                                                                                                                                                                                                                                                           ENGINE                        RETARDER
                                                                                                                                                                                                                                                                                                                                                                           E69CM2
                                        BLU/RED                                                                                                                                        BLU/RED                                                      BLU/RED
                                                                                                                                                                                                                                                                                                                                                                             GRA
                                                             E159WL                                                                                                                                     E159WL                                                                  E159WL                                                                                                                     RETARDER                      ON/OFF
 W ARN LAMP STOP ENGINE       29                                                                                                                                                                                                                                                                                                                                                                           SELECTOR                      SW ITCH
                                                            BRN/WHT                                                                                                                                     BRN/WHT                                                                BRN/WHT
                                        E158WL                                                                                                                                          E158WL                                                   E158WL                                                                                               L95ER1                                               SWITCH
 CHECK ENGINE LAMP            28
                                        BRN/ORN                                                                                                                                        BRN/ORN                                                  BRN/ORN                                                                                             BLU/LT GRN
                                                              E98ER                                                                                                                                      E98ER                                                           E98ER                                                                                                                          E98ER      C                     E97ER
 RET SOL MED/HI SW            40
                                                          LT GRN/BLK                                                                                                                                  LT GRN/BLK                                                     LT GRN/BLK                                                                                                                     LT GRN/BLK                       LT BLU/GRN
                                           E96ER                                                                                                                                          E96ER                                                      E96ER
 RET SOL LOW /HI SW           23                                                                                                                                                                                                                                                                                                                                                                                   B            A
                                       LT GRN/YEL                                                                                                                                     LT GRN/YEL                                                 LT GRN/YEL                                                                                                                                             E96ER
                                                                                         GND_D                                                                                                        P18WL                                                                                           P18WL                                                                                         LT GRN/YEL
                                                                                          WHT                                                                                                        LT GRN                                                                                          LT GRN                                                                                                                              E97ER
                                                                                                                        EATON TOP 2                                                                                                                                                                                                                      E95ER                                                                       LT BLU/GRN          USE ON CUMMINS
 OUTPUT #7                    20                                              RED
                                                                                                                        TRANSMISSION                                                                           ENGINE              INSTRUMENT                                                                                                         BLK/LT GRN                                                      E96ER                              ISM ENGINES ONLY
                                                                                                                                                                                                                                                 BLK/PUR
                                                                                                                                                                                                                                                                                                                                                                                                                  LT GRN/YEL
                                                                                                                                                                                                                                                   CSP6
                                                             YEL                                                        (OPTIONAL)                                                                             HARNESS             PANEL
 OUTPUT #6                    19                                                          YEL                                                                                                                                                                                                            INSTRUMENT                                     SWITCH
                                                                                                                                                                                                                                   HARNESS                                                                                                                                                                                               E95ER
                                                                                                                                                                                                                                                                                           E69CM1
                                                                                                         ENGINE                                                                                                                                                                                          PANEL                                          PANEL
                                                                                                                                                                                                                                                                                             GRA
                                                                                                                                                                                                                                                                                                                                                                                                                                      BLK/LT GRN         USE ON CUMMINS
                                                                                                         HARNESS                                                                                                                                                                                         HARNESS                                        HARNESS                                                    E98ER                                 ISX ENGINES ONLY
                                                                                                                   9A                                                                                                         12                                                                                                                                                                               LT GRN/BLK
                                                                                                                             E69CM                                                                                                                                                                                                             14B                                  18
                                                                                                                              GRA
                                                                                                                                                                                                                                                            P18WL
                                                                                                                                                                                                                                                           LT GRN
                                                                                                                                                                                                                                                                                  LT GRN
                                                                                                                                                                                                                                                                                   P18WL
                                                         E69CM                  E69CM                    6202
 T HROTTLE SW SENSOR COM      5                                                                                                                                                                                               ELEC ENGINE                                                                                                                E69CM1
                                                          GRA                    GRA                      BLK
                                                                                                                                                                                                                                                                                                                                                           GRA
                                                                                   E206LC                    6793                                                                                                             SPARE CKTS
 COOLANT LEVEL NORM           49                                                                                                     LOW COOLANT                                                                                                                                                         INSTRUMENT                                     SWITCH
                                                                                  BLU/WHT                     PUR
                                                                                                                  6797               LEVEL SENSOR                                                                                                                                                        PANEL                                          PANEL
                                                                      E205LC
 COOLANT LEVEL LOW            54                                                                                                     (OPTIONAL)                                                                                                                                                          HARNESS                                        HARNESS
                                                                     BLU/BLK                                       WHT                                                                                                                                                                                                                                                                                                                              17
                                                      E207LC                                                          6745
 +5V LOW COOL LVL SENSOR      2                                                                                                                                                                                                                                                                                                               16
                                                     BLU/RED                                                           RED                                                                                                                                                                                                                                                                                                              THROTT LE         THROTTLE POSITION
                                                                                                                                                                                                                                                                                                                                                                             SEE
                                                                                                                                                                                                                                                                     10A                                                                                               C                                                                PEDAL             SENSOR (MOUNT ED
                                                                                       ENGINE              COOLANT                                                                                                                                                                                                                                                           SHEET2
                                                                                                                                                                                                                                                                                                                                                                                                                                        ADAPTER           ON THROTTLE
                                                                                       HARNESS             LEVEL EXT
                                                                                                                                                                                                                                                                                                                                                                                                                                        HARNESS           PEDAL ASSEMBLY)
                                                                                                           HARNESS
                                                                                                    6A                           7
                                                                                                                                                                                   E129CT                                            E129CT                                                                                                        E129CT                                         E129CT                                 E129CT
                                                                                                                                                                                  BRN/GRN                                           BRN/GRN                                                                                                        BRN/GRN                                       BRN/GRN                                BRN/GRN
                                                                                          E128CT                                                                                                                                                            E128CT                                                E128CT                                                    E128CT                                               E128CT
 ACC PEDAL POS                66                                                                                                                                                                                                                           BRN/RED
                                                                                          BRN/RED                                                                                                                                                                                                                BRN/RED                                                   BRN/RED                                              BRN/RED
                                                                                     E127CT                                                                                                                                          E127CT                                                                                                        E127CT                                         E127CT                                 E127CT
 +8V THROTTLE POS SENSOR      4
                                                                                    BRN/GRA                                                                                                                                         BRN/GRA                                                                                                        BRN/GRA                                       BRN/GRA                                BRN/GRA
                                        ENGINE                                                                                                        ENGINE
                                        HARNESS                                                                                                       HARNESS
                                                                                                                                                                    8
                                   4
                                                                                                                                                                                                                                                                                                                                                                                                                                                   P94-1189.FM
Controller, w/CAT 3406E or C10/C12 w/ADEM III                                                                                                                                                                                               P94-1189                                    A                   02
                                                          15B                                   5                       12                        23
                                                                                  ENGINE              INSTR                     CONTROL                INSTRUMENT
                                                                                  HARNESS             PANEL                     HARNESS                PANEL                                                                                                 USAGE NOTE:
                                                                                                      HARNESS                                          HARNESS
                                                                                                                                                                                                                                                             USE ON BI, BII, BIII CABS WITH CAT 3406E
                                            ETHER START          C23HS            C23ES                 CSP18                    C23ES                     C23ES                                                                                             OR C10/C12 ENGINES WITH ADEM III CONTROLLER.
                                            THERMO SW           TAN/GRN          TAN/GRN            LT BLU/WHT                  TAN/GRN                   TAN/GRN
                                                                                ENGINE
                                                                                HARNESS
                                                                                       24
                                                                           ETHER
                                                                           START                                                                         TO KEY SWITCH
                                                                           SOLENOID                                                                      (SEE ETHER START
                                                                           VALVE                                                                         DIAGRAM)
                                                                                                                                       SEE
                                                                                                                                       SHEET 1
                                                                                                                                   A
                                                                                                                                         E69CM1
                                                                                            5
                                                                                                                                           GRA
                              4                                                                                                                                                                                                                 SEE
                                                                                                                                                                                                                                                SHEET 1
                                  ENGINE                                         ENGINE                                                                                                         INSTRUMENT    14B
      CAT ADEM III                                                                                  INSTR                                                 TO PANEL
                                  HARNESS                                        HARNESS                                                                                                        PANEL                SWITCH
      CONTROLLER                                                                                    PANEL                                                 LIGHT CONTROL
                                                                                                    HARNESS                                                                                     HARNESS              PANEL                  C
                                                                                                                                                          (SEE PARK & TAIL                                           HARNESS
                                                                                                                                                                                            L13LI
                                                                                                                                                          LAMP DIAGRAM)
                                                                                                                                                                                             GRA
                                      E139CT                                                                            E139CT                                                                     E139CT                         E139CT
 CRUISE CONT ON/OFF SW   59
                                                                                                                                                                                                                                                 E69CM1
                                     ORN/BRN                                                                            ORN/BRN                                                                    ORN/BRN                       ORN/BRN
                                                                                                                                                                                                                                                   GRA
                                                                            E140CT                      E140CT                                                                             E140CT                   E140CT
 SET (CRUISE CONTROL)    35
                                                                            ORN/GRN                     ORN/GRN                                                                           ORN/GRN                   ORN/GRN
                                     E141CT                                                                                                                           E141CT                       E141CT                          E141CT
 RESUME (CRUISE CONT)    44
                                     ORN/RED                                                                                                                         ORN/RED                       ORN/RED                        ORN/RED
                                                                              E31CS                       E31CS                                             E31CS                          E31CT                        E31CT
 CLUTCH PEDAL POS SW     22                                                                              YEL/PUR
                                                                             YEL/PUR                                                                       YEL/PUR                       YEL/PUR                       YEL/PUR
                                     E32SW                                                           E32SW                    E69CM1                                                                                                                                E69CM1
 SERV BRK PEDAL POS SW   45
                                    YEL/GRN                                                         YEL/GRN                     GRA                                                                                                                                   GRA
                                                                                                                                                                                                                                                                                                CRUISE
                                                                                                               SERVICE BRAKE                                                                                                                                                                    CONTROL
                                                                                                               SWITCH N.C.                                                                                                                                 E139CT                               ON/OFF
                                                                                                                                                                                                                E31CT
                                                                                                               (PEDAL RLSD)                                                                      BLK                                                      ORN/BRN                               SWITCH
                                                                                                                                                  CLUTCH SW                                                    YEL/PUR
                                                                                                                                                                       NO    NC                                           E140CT                           E140CT                        SET/
                                                                                                                                                  SHOWN WITH
                                                                                                                                                                                                                          ORN/GRN                         ORN/GRN                       COAST   CRUISE
                                                                                                                                                  CLUTCH PEDAL
                                                                                                                                                                         COM                                   E69CM1                                               E69CM1                      CONTROL
                                                                                                                                                  IN FULLY
                                                                                                                                                                                                                 GRA                                                  GRA                       SET/RES
                                                                                                                                                  RELEASED
                                                                                                                                                                                                                          E141CT                           E141CT                        RES/   SW (MOM)
                                                                                                                                                  POSITION
                                                                                                                                                                                                                          ORN/RED                         ORN/RED                       ACCEL
                                                                                                                                                                                               JUMPER        SWITCH
                                                                                                                                                                                               WIRE          HARNESS
6B
21A 21B
                                                    E150SU
 VEHICLE SPEED IN -      33                                                                              BLK                                             BLK
                                                   BLU/RED
                                                                  E150SP
 VEHICLE SPEED IN +      32                                                                              BLK                                       BLK
                                                                 BLU/RED
                                                                                                                                                                               VEHICLE
                                                                                                                                                                               SPEED
                                                                                                                                                                               SENDER
                                                                                                                                                                                                                                                                                     P94-1189.FM
Controller, w/CAT 3406E or C10/C12 w/ADEM III                                                                                                                                        P94-1189         A      03
                                                                               GENERAL NOTES:
                                                                                1) USE ON BI, BII, BIII CABS WITH CAT 3406E OR C10/C12
             6) BLACK 4-WAY WEATHER PACK CONNECTOR
                                                                                  ENGINES WITH ADEM III CONTROLLER.
6A LOCATED NEAR TOP FRONT CENTER OF THE ENGINE. 2) DENOTES A "TWISTED PAIR" OF WIRES.
             8 BLACK 7-WAY METRI-PACK 280 SERIES CONNECTOR LOCATED              4        70-WAY AMP CONNECTOR LOCATED LHSIDE OF ENGINE AT ECU.
               ABOVE ENGINE ECU.
                                                                                              13
             9) BLACK 3-WAY METRI-PACK 150 SERIES CONNECTOR                                                                                           1
                                                                                                                                                           HARNESS
             10 BLACK 2-WAY METRI-PACK 280 SERIES CONNECTOR LOCATED
                                                                                                                                                           CONNECTOR
               NEAR LH UPPER SIDE OF RADIATOR,
                                                                                                                                                           SHOWN
             11 BLACK 2-WAY WEATHER PACK CONNECTOR LOCATED NEAR
               HEATER BOX, ENGINE SIDE
                                                                                                                              35                                40
                                                                                         40
                                                                                                        ENGINE SIDE      35
                                                                                                                                     CAB SIDE
P94-1189.FM