16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

DRAWING ENGINEER RELEASE

P94-2413

L L
CHARGE AND START BLOCK DIAGRAM
GENERAL NOTES: THIS SIMPLIFIED BLOCK DIAGRAM SHOWS HARNESSES
INVOLVED IN THE CHARGE AND START DIAGRAM.
1) USE WITH 2.1M HD CHASSIS WITH VXUX ARCHITECTURE. LINES REPRESENT HARNESS TO HARNESS AND HARNESS
TO POWER DISTRIBUTION CENTER CONNECTIONS
2) HOW TO USE THIS DIAGRAM:
EACH CONNECTOR AND SPLICE HAVE A DISTINCT ALPHANUMERIC "REFERENCE
K DESIGNATOR" OR "REF DES" ASSOCIATED WITH IT. USE THIS REF DES TO K
FIND CONNECTOR INFORMATION IN THE CONNECTOR INFORMATION TABLE. CAB PDC IP HARNESS ENGINE HARNESS
3) WIRE SIZE IN DIAGRAM IS SPECIFIED IN METRIC UNITS PER
SAE STANDARDS J1127 & J1128. TABLE 1 PROVIDED FOR CROSS
REFERENCE TO AMERICAN WIRE GAUGE (AWG) UNITS.

J TABLE 1: WIRE GAUGE J

CHASSIS HARNESS SLEEPER HARNESS
METRIC STANDARD METRIC STANDARD
(mm^2) (AWG) (mm^2) (AWG)

0.35 22 5 10

0.5 20 8 8
I 0.8 18 13 6
I

1 16 19 4

2 14 32 2

3 12 40 1

H H
4) SPLICES IN THIS DIAGRAM MAY CONTAIN MORE CIRCUITS THAN SHOWN.
REFER TO CHASSIS-SPECIFIC HARNESS FOR MORE DETAILS.

5) REFER TO HARNESS FOR LAYER INFORMATION (MODULE CODES).

6) REFER TO P94-1918 FOR BATTERIES, ALTERNATOR AND SWITCH

CONFIGURATIONS.
G G

F F

E E

D D

C C

B B

THIRD ANGLE PROJECTION 1. THIS DRAWING AND THE INFORMATION CONTAINED HEREIN ARE PROPRIETARY TO PACCAR WEIGHT (KG)
INC (UNLESS OTHERWISE NOTED) AND SHALL NOT BE REPRODUCED, COPIED OR DISCLOSED,
IN WHOLE OR IN PART, OR USED FOR MANUFACTURE OR FOR OTHER PURPOSE WITHOUT THE
WRITTEN PERMISSION OF PACCAR INC.
NA
2. DIMENSIONING AND TOLERANCING PER PACCAR CS0108. MATERIAL
3. REMOVE ALL BURRS. BREAK SHARP EDGES.

DO NOT SCALE DRAWING

4. PART IDENTIFICATION AND TRACEABILITY REQUIREMENTS TO COMPLY WITH PACCAR CPS0098. NA
5. THESE DRAWING/SPECIFICATION USES SYMBOLS TO CLASSIFY CHARACTERISTICS. PROPRIETARY
THESE SYMBOLS ARE DEFINED IN THE PACCAR SUPPLIER QUALITY STANDARD.
SCALE UNITS 6. EMISSION-RELATED PART CODE: QA CODE ER CODE FINISH
SEE PACCAR CPS0374 FOR REQUIREMENTS.
NONE mm 4 N NA
TOLERANCES TITLE DRAWING REV

A
UNLESS OTHERWISE SPECIFIED
ANGLE = ±1 DIAGRAM - CHARGE & START HD VMUX P94-2413 A A
(X) = ±5
COVERSHEET (X.X) = ±0.8
DRAWING VERSION SHEET 1 OF 4

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DRAWING
P94-2413
SEE FIRST SHEET FOR ALL REVISION INFORMATION
L L

K COMPONENT INFORMATION K

REFDES LABEL PACCAR PART NUMBER SUPPLIER NAME SUPPLIER PART NUMBER TYPE DESCRIPTION COMPONENT LOCATION
J038 KEY SWITCH P20-1095 DELPHI 2984017 CONNECTOR 6-WAY 56 SERIES RECP
J051A VECU A P20-1183-1209 TYCO (TE CONNECTIVITY) 1-968307-2 CONNECTOR 9-WAY RECP
J051D VECU D P20-1172-1240 TYCO (TE CONNECTIVITY) 1-968321-2 CONNECTOR 40-WAY RECP
J051F VECU F P20-1409 TYCO (TE CONNECTIVITY) 1-1563337-1 CONNECTOR 20_WAY_RECP_VECU_UNSEALED
J J103C ENGINE HARNESS P20-1314-31299 TYCO (TE CONNECTIVITY) 2-1418883-1 CONNECTOR 62-WAY AMP MCP RECPT J
J121C CAB PDC P20-1314-11299 TYCO 2-1534127-1 CONNECTOR 21-WAY AMP MCP PLUG
J161 CHASSIS HARNESS P20-1314-21530 TYCO (TE CONNECTIVITY) 5-1718321-3 CONNECTOR 39-WAY AMP CONNECTOR
J183 CAB PDC P20-1257-3011 DELPHI 13611153 CONNECTOR 1-WAY PWR PACK 2000 RECP
J184E STANDARD CHASSIS MODULE E P20-1258-1416-99304 TYCO (TE CONNECTIVITY) 4-1564337-1 CONNECTOR 16-WAY MCP RECP
J381A SLEEPER HARNESS P20-1355-230 DELPHI 15326762 CONNECTOR 30 WAY_GT 150/280_UNSEALED
P001 CAB PDC P20-1301-004 AEES R64093-004 CONNECTOR 46 WAY-MPDC-UNSEALED
I P002 CAB PDC P20-1301-005 AEES R64093-005 CONNECTOR 46 WAY-MPDC-UNSEALED I
P003 CAB PDC P20-1301-001 AEES R64093-001 CONNECTOR 46 WAY-MPDC-UNSEALED
P004 CAB PDC P20-1301-003 AEES R64093-003 CONNECTOR 46 WAY-MPDC-UNSEALED
P006 IP HARNESS P20-1314-32220 TYCO (TE CONNECTIVITY) 2-1718324-1 CONNECTOR 62 WAY MCP SEALED MALE GRAY KEY B
P033A IP HARNESS P20-1314-22520 TYCO (TE CONNECTIVITY) 5-1718323-1 CONNECTOR 39-WAY MCP PLUG
P065A IP HARNESS P20-1355-130 DELPHI 15304908 CONNECTOR 30 WAY_GT 150/280_UNSEALED
P069 IGNITION SIGNAL DIODE K333-506 DEUTSCH DT06-2S-P012 CONNECTOR 2-WAY DT PLUG
H P382 SLEEPER PDC P20-1301-002 AEES R64093-002 CONNECTOR 46 WAY-MPDC-UNSEALED H
T001 FIREWALL GND CAB SIDE K333-46-18 JULIAN 39HA0922 TERMINAL 1-WAY MOLDED RING
T109A STARTER RELAY K333-46-62 DELPHI 12103515 TERMINAL 10 RING TERMINAL
DEV1011 STANDARD CHASSIS MODULE CHASSIS_MODULE_STD DEVICE PRIMARY CHASSIS MODULE FOR VECU
DEV125 VECU Q21-1109-NM6 3M ELECTRICAL PRODUCTS Q21-1109 DEVICE VECU CAB ELEC UNIT-VECU1
DEV183 KEY SWITCH KEY_SWITCH DEVICE KEY SWITCH
DEV7 IGNITION SIGNAL DIODE DIODE DEVICE DIODE
G G

F F

E E

D D

C C

B B

TITLE

DIAGRAM - CHARGE & START HD VMUX

THIS DRAWING AND THE INFORMATION CONTAINED DRAWING REV
HEREIN ARE PROPRIETARY TO PACCAR INC.

A
(UNLESS NOTED OTHERWISE) AND SHALL NOT BE
REPRODUCED, COPIED OR DISCLOSED, IN WHOLE P94-2413 A A
OR IN PART, OR USED FOR MANUFACTURE OR FOR PROPRIETARY
BOM B1 of B1 OTHER PURPOSE WITHOUT THE WRITTEN
PERMISSION OF PACCAR INC. SCALE NONE DRAWING VERSION SHEET 2 OF 4

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 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
DRAWING
P94-2413
SEE FIRST SHEET FOR ALL REVISION INFORMATION
L L
GND_BUS CAB POWER DISTRIBUTION CENTER (REF: P96-1140) NOTE: REFER BATTERIES,

BAT_BUS
1 P183-1
NC85
ALTERNATOR AND SWITCH

NC84
J004-A9

J183
CONFIGURATIONS FOR MORE
DETAILS
A2
B6 B1 A1 STARTER BATTERY BOX
A1 B1 B6
A2

A10
B36 B31 A9 CAB PDC RED1200, 19.0

KEY SW (10 AMP)

K A9 B31 B36
A10

B34 RED1910, 0.8 P44 10 D K

J001-B34 BATTERY 1
WHT1515, 1.0 A9 DEV191

J001-B34 NC61
P001 P33 10
C

C_P13
J004-A9 B6 B1 A1
CAB PDC
STARTER INTERRUPT DEV284 RED, 0.0 POS
P004 P19 1 2
A2 B
CK_R19
CAB PDC DEV284 DEV186
P20

NC380
CAB PDC A10 CAB PDC CAB PDC MEGA FUSE
S161 B36 B31 A9

85 C 86 B11 GRA3914, 0.5

J002-B11
FIREWALL BUS BAR CAB SIDE T001

J001-A8
87
30
DEV284 P002
J J001-B18
87A

6
J
GRA3912, 0.8
WHT1515, 19.0

J121-6
FIREWALL GND CAB SIDE

TO CNG/LNG CONNECTOR AND T109A

DEV284 J121C HALLIBURTON DUAL STATION CONTROLS. STARTER RELAY
CAB PDCCAB PDC SEE CNG/LNG AND HALLIBURTON SOL +
DIAGRAM FOR MORE INFORMATION.
GRA3912, 0.8
J001-B18 B18
A8 GRA3912, 0.8 M
A2
B6 B1 A1
J001-A8
P001 GRA3912, 0.8 GRA3912-61, 0.8 _
DEV284
CAB PDC CAB PDC TO L1: H16
A10
DEV192
I I
B36 B31 A9

86
C 85 B16 GRA3153, 0.5 STARTER
T001

J002-B16
GND51

A1 B1 B6 87 J001-B9
A2 30 P002
A2
B6 B1 A1
DEV284 CAB PDC 4 1 4

CAB PDC
1

A9 B31 B36
A10
CK_R15
GND7
A10
B36
B9 GRA1220, 0.8
B31 A9
J001-B9 GRA1220, 0.8
53
57
60
56
59
62

GRA3918, 0.5 B20 B6 B1 A1

P001 62 60
J003-B20 A2
DEV284 CAB PDC

GND
BLK3918, 0.5 B19 86
C 85 CAB PDC
H J003-B19 A10 J103C P006 H
GRA3912-61, 0.8 GRA3912, 0.8 B22 B36 B31 A9 B6 B1 A1 ENGINE HARNESS IP HARNESS
J003-B22 BATT BUS IGN BUS
A2

TO L1: I7 C
30 87
ORN3215, 0.5 49 49
P003 DEV284
85 86
A10 TO ENGINE ECU
CAB PDC CAB PDC CK_H1 B36 B31 A9 (WAKE-UP SIGNAL) 3 1
IGNITION RELAY
87 30 9 7
B30 ORN3215, 0.8
J003-B30
SEE 25 25 CK_P5 IGN_BUS P003
TRANSMISSION START ENABLE/NEUTRAL START RELAY DEV284 CAB PDC GRA3914, 0.5 6 A06 STARTER INTERRUPT
FOR MORE 24 24 E_E2 CAB PDC
G INFORMATION.
LVD BUS - LATCHING RELAY J051A G
MX ENG ECU WAKE-ENG SD (5 AMP) TO ESPAR DIGI CONTROLLER VECU A
J161 P033A B21 GRA3912, 0.8
CHASSIS HARNESS IP HARNESS 1 2
B6 B1 A1
J003-B21
J161 P033A A2
P003 GRA3153, 0.5 5 F05 IGN TIMER / KEY SW BYPASS
BATT BUS
DEV284 CAB PDC
3 5 LVD BUS
CAB PDC
3 1

4
A10
DEV183 J051F
CK_F1
B36 B31 A9
3 2 1 KEY SWITCH VECU F
GND

85
C 86 B13 GRA1230, 0.8 6 5
J002-B13
A10
A2

39 37
B6 B1 A1

F
A2
P002 GRA1220, 0.8 3 3 1 10
F
B36

J004-B29
B6

IGN
DEV284 GRA1220, 0.8
DEV284
CAB PDC
DEV284
CAB PDC

CAB PDC
J004-B7

11 20
87 30
ACC BUS BATT BUS
A10
CAB PDC RED1910, 0.8 4 4 BAT
A9 B31

STR
B1

B36 B31 A9

CK_P1 GRA3912, 0.8

A1

S991 2 2
ACC BUS RELAY GRA3912, 0.8 ACC
A10
B29
P004

P004
CAB PDC

CAB PDC

A2
B7

GRA1230, 0.8 1 1
B36

START SIG
B6

GRA3912, 0.8
J038 GRA3912, 0.8 2 D02 STARTER SWITCH TO STARTER RELAY
A9 B31
B1

E KEY SWITCH E
A1

S879
GRA1220, 0.8 26 D26 POWER BUS
GRA1220, 0.8 IGN BUS
GRA4222, 0.8
GRA4222, 0.8
GRA4222, 0.8
GRA4222, 0.8

J051D
S856 VECU D
DEV125
40 10 VECU
S840
31 1
CHASSIS HARNESS IP HARNESS

D D
8 16
J161 P033A
16 16
23 23

GRA1220, 0.8
1 9 1
2

A15
B15
3

DEV7
1

P069
GRA4222, 0.8

IP HARNESS
12 E12 LVD LATCHING RLY SET/RESET
GRA4222, 0.8 13 E13 LVD LATCHING RLY SET/RESET GRA1220, 0.8 1 1 POWER BUS

P065A
C 39
J184E DEV1011 C
S848
37

STANDARD CHASSIS MODULE E GRA1220, 0.8

STANDARD CHASSIS MODULE 2 2 IGN BUS
B1

A1

B9 B9
NOTE: PB P069 1
USES PIN B10 2
A1
B1

J381A
SLEEPER HARNESS
IGNITION SIGNAL DIODE
B6 B1 A1

P065A J381A SLEEPER PDC

A1 B1 B6
A2
A2

IP HARNESS SLEEPER HARNESS

GRA4222, 0.8 B9 K4 A10

GRA4222, 0.8 B14 B14 GRA4222, 0.8 ESPAR CTL B36

B B31
B
B15

A15

A10 A9

S857 P382 DEV248 A9 B31 B36

BAT_BUS 30
87A

87 B34 B34 TO ESPAR DIGI CONTROLLER

SLEEPER PDC J382-B11 2 1 J382-B9
B33
B32 GRA1220, 0.8
GRA4222, 0.8 B13 B13 GRA4222, 0.8 LVD BUS
A1 B1 B6
86
C 85

BAT_BUS A2

5 3 B32
A15 A1 A1 A15
GRA4222, 0.8 B11 TITLE
K7 A10 B28 TO SLPR PDC GND

P382 DEV248 LVD - LATCHING RELAY (SLEEPER) A9 B31 B36

DIAGRAM - CHARGE & START HD VMUX
B15 B1
B1 B15

SLEEPER PDC SLEEPER PDC DEV248 P382

SLEEPER PDC SLEEPER PDC THIS DRAWING AND THE INFORMATION CONTAINED
HEREIN ARE PROPRIETARY TO PACCAR INC.
DRAWING REV

A
(UNLESS NOTED OTHERWISE) AND SHALL NOT BE
REPRODUCED, COPIED OR DISCLOSED, IN WHOLE P94-2413 A A
OR IN PART, OR USED FOR MANUFACTURE OR FOR PROPRIETARY
SCHEMATIC L1 of L1 OTHER PURPOSE WITHOUT THE WRITTEN
PERMISSION OF PACCAR INC. SCALE NONE DRAWING VERSION SHEET 3 OF 4

16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
DRAWING
P94-2413
SEE FIRST SHEET FOR ALL REVISION INFORMATION
L L

K WIRE REPORT K

CIRCUIT NUMBER FROM CONNECTOR PART NUMBER TERM TO CONNECTOR PART NUMBER TERM WIRE CSA GAUGE INSULATION DESCRIPTION VAR
BLK3918 P003 P20-1301-001 B19 P033A P20-1314-22520 24 0.5 20 TXL START ENABLE RLY REFER TO HARNESS
GRA1220 P001 P20-1301-004 B9 P069 K333-506 1 0.8 18 TXL POWER BUS REFER TO HARNESS
GRA1220 S840 SPLICE X J038 P20-1095 3 0.8 18 TXL POWER BUS REFER TO HARNESS
GRA1220 S848 SPLICE X P069 K333-506 2 0.8 18 TXL IGN BUS REFER TO HARNESS
J GRA1220 S848 SPLICE X J051D P20-1172-1240 26 0.8 18 TXL IGN BUS REFER TO HARNESS J
GRA1220 P065A P20-1355-130 B9 S848 SPLICE X 0.8 18 TXL IGN BUS REFER TO HARNESS
GRA1220 S848 SPLICE X J038 P20-1095 3 0.8 18 TXL IGN BUS REFER TO HARNESS
GRA1220 S840 SPLICE X J051D P20-1172-1240 26 0.8 18 TXL POWER BUS REFER TO HARNESS
GRA1220 S840 SPLICE X P001 P20-1301-004 B9 0.8 18 TXL POWER BUS REFER TO HARNESS
GRA1220 J381A P20-1355-230 B9 P382 P20-1301-002 B32 0.8 18 TXL IGN BUS REFER TO HARNESS
GRA1230 J038 P20-1095 1 P002 P20-1301-005 B13 0.8 18 TXL ACCESSORY BUS REFER TO HARNESS
I GRA3153 J051F P20-1409 5 P002 P20-1301-005 B16 0.5 20 TXL IGN TIMER / KEY SW BYPASS REFER TO HARNESS I
GRA3912 J121C P20-1314-11299 6 T109A K333-46-62 1 0.8 18 TXL STARTER SWITCH TO STARTER RELAYSEE ENGINE HARNESS FOR WIRE NAME DETAIL REFER TO HARNESS
GRA3912 P001 P20-1301-004 B18 0.8 18 TXL STARTER SWITCH TO STARTER RELAYP123:F CNG/LNG || SNOWPLOW BOX D3 REFER TO HARNESS
GRA3912 S856 SPLICE X J051D P20-1172-1240 2 0.8 18 TXL STARTER SWITCH TO STARTER RELAY REFER TO HARNESS
GRA3912 S856 SPLICE X P001 P20-1301-004 A8 0.8 18 TXL STARTER SWITCH TO STARTER RELAY REFER TO HARNESS
GRA3912 J038 P20-1095 2 S856 SPLICE X 0.8 18 TXL STARTER SWITCH TO STARTER RELAY REFER TO HARNESS
GRA3912 J038 P20-1095 2 S991 SPLICE X 0.8 18 TXL START SIG REFER TO HARNESS
H GRA3912 S991 SPLICE X P003 P20-1301-001 B21 0.8 18 TXL START SIG REFER TO HARNESS H
GRA3912 S991 SPLICE X J051D P20-1172-1240 2 0.8 18 TXL START SIG REFER TO HARNESS
GRA3912 P003 P20-1301-001 B22 P001 P20-1301-004 A8 0.8 18 TXL START ENABLE LATCH REFER TO HARNESS
GRA3914 J051A P20-1183-1209 6 P002 P20-1301-005 B11 0.5 20 TXL STARTER INTERRUPT REFER TO HARNESS
GRA3918 P003 P20-1301-001 B20 P033A P20-1314-22520 25 0.5 20 TXL START ENABLE RLY REFER TO HARNESS
GRA4222 S857 SPLICE X P065A P20-1355-130 B14 0.8 18 TXL LVD Latching Relay Set/Reset REFER TO HARNESS
GRA4222 P033A P20-1314-22520 16 P004 P20-1301-003 B7 0.8 18 TXL LVD Latching Relay Set/Reset REFER TO HARNESS
G GRA4222 P004 P20-1301-003 B29 P033A P20-1314-22520 23 0.8 18 TXL LVD Latching Relay Set/Reset REFER TO HARNESS G
GRA4222 S879 SPLICE X P004 P20-1301-003 B7 0.8 18 TXL LVD Latching Relay Set/Reset REFER TO HARNESS
GRA4222 S879 SPLICE X P033A P20-1314-22520 16 0.8 18 TXL LVD Latching Relay Set/Reset REFER TO HARNESS
GRA4222 S857 SPLICE X P033A P20-1314-22520 23 0.8 18 TXL LVD Latching Relay Set/Reset REFER TO HARNESS
GRA4222 P382 P20-1301-002 B11 J381A P20-1355-230 B13 0.8 18 TXL IGN BUS REFER TO HARNESS
GRA4222 P065A P20-1355-130 B13 S879 SPLICE X 0.8 18 TXL LVD Latching Relay Set/Reset REFER TO HARNESS
GRA4222 S857 SPLICE X P004 P20-1301-003 B29 0.8 18 TXL LVD Latching Relay Set/Reset REFER TO HARNESS
F GRA4222 P382 P20-1301-002 B9 J381A P20-1355-230 B14 0.8 18 TXL LVD Latching Relay Set/Reset REFER TO HARNESS F
GRA4222 J161 P20-1314-21530 23 J184E P20-1258-1416-99304 12 0.8 18 TXL LVD LATCHING RLY SET/RESET REFER TO HARNESS
GRA4222 J161 P20-1314-21530 16 J184E P20-1258-1416-99304 13 0.8 18 TXL LVD LATCHING RLY SET/RESET REFER TO HARNESS
ORN3215 P003 P20-1301-001 B30 P006 P20-1314-32220 49 0.8 18 TXL ECU PWR REFER TO HARNESS
ORN3215 J103C P20-1314-31299 49 0.5 20 TXL ECU POWER REFER TO HARNESS
RED1200 J183 P20-1257-3011 1 P19 1 19.0 4 SGX CAB POWER FEED REFER TO HARNESS
RED P20 2 0.0 REFER TO HARNESS
E RED1910 J038 P20-1095 4 P001 P20-1301-004 B34 0.8 18 TXL KEYSWITCH FEED REFER TO HARNESS E
WHT1515 S161 SPLICE X P004 P20-1301-003 A9 1.0 16 TXL GROUND - INSTRUMENT PANEL REFER TO HARNESS
WHT1515 T001 K333-46-18 1 S161 SPLICE X 19.0 4 SGX GROUND - INSTRUMENT PANEL REFER TO HARNESS

D D

C C

B B

TITLE

DIAGRAM - CHARGE & START HD VMUX

THIS DRAWING AND THE INFORMATION CONTAINED DRAWING REV
HEREIN ARE PROPRIETARY TO PACCAR INC.

A
(UNLESS NOTED OTHERWISE) AND SHALL NOT BE
REPRODUCED, COPIED OR DISCLOSED, IN WHOLE P94-2413 A A
OR IN PART, OR USED FOR MANUFACTURE OR FOR PROPRIETARY
WIRELIST W1 of W1 OTHER PURPOSE WITHOUT THE WRITTEN
PERMISSION OF PACCAR INC. SCALE NONE DRAWING VERSION SHEET 4 OF 4

16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1