FUSE AND RELAY LAYOUT

R1 - 12V SUPPLY R2 - OVERSPEED TCU

ECU (20A on JD ECU)
30 30 OEU
CCU2 S1 - STUD 1
87a 87a BATTERY BALANCER
85 86 85 86 DIAGNOSTIC CONNECTOR
MM
BATTERY POWER
87 87

BATTERY

FUSE 1

FUSE 2

FUSE 3

FUSE 4

FUSE 6

FUSE 7

FUSE 5
10A

10A

20A

20A

10A

10A

10A
MDU2
R3 - SPARE R4 - SPARE
FUSE 43 12V RADIO IGNITION
30 30 INTERIOR LIGHT, BRAKE SWITCH
& HAZARD SWITCH GENERIC SPECIAL SPARE
10A
87a 87a FUSE 44 12V 2WAY RADIO &
REVERSE MONITOR
85 86 85 86 10A

BATTERY
87 87

SPARE 2

SPARE 3
SPARE 1
FUSE 10

FUSE 14
FUSE 8

FUSE 9
FUSE 45 12V POWER SOCKET &

10A

10A

10A

10A

10A

10A

10A
12V CIGARETTE LIGHTER
10A
FUSE 46 MM 12V INPUT &
CCU 12V INPUT
10A
FUSE 47 12V BATTERY POWER -
RADIO SUPPLY
10A
IGNITION IGNITION IGNITION IGNITION
SPARE 5

FUSE 15 TCU FUSE 22 OEU FUSE 29 CCU2 FUSE 36 HARDWARE DETECTION, MM IGN. STATUS, PARK
IGNITION STATUS IGNITION STATUS BRAKE DASH & PRES.SWITCH, HIGH RANGE DIODE 1 ALTERNATOR D+
10A 10A 10A 10A PRES. SWITCH
FUSE 16 COLDSTART FUSE 23 OEU OUTPUT FUSE 30 CCU2 OUTPUT FUSE 37 12V RELAY, FR WIPER PARK SIGNAL, HDLIGHT
DRIVER SUPPLY 2 DRIVER SUPPLY 2 SWITCH, DRIVER ID, AUTO GREASER
40A 25A 25A 10A INDICATOR, REAR WIPER MOTOR PARK SIGNAL
FUSE 17 ECU FUSE 24 OEU OUTPUT FUSE 31 CCU2 OUTPUT FUSE 38 LOW ACC BRAKE PRES., EMERGENCY
DRIVER SUPPLY 1 DRIVER SUPPLY 1 STEERING, TPM ON 4206D
10A 15A 15A 10A
FUSE 18 OEU OUTPUT FUSE 25 CCU2 OUTPUT FUSE 32 DIAGNOSTIC FUSE 39 AUTO GREASER IGN. SUPPLY
DRIVER SUPPLY 3 DRIVER SUPPLY 3 CONNECTOR
20A 20A 10A 10A
FUSE 19 OEU OUTPUT FUSE 26 CCU2 OUTPUT FUSE 33 MDU2 FUSE 40 ELECTRICAL SEAT
DRIVER SUPPLY 6 DRIVER SUPPLY 6 IGNITION STATUS
30A 30A 10A 10A
FUSE 20 OEU OUTPUT FUSE 27 CCU2 OUTPUT FUSE 34 IQAN FUSE 41 OBW, TPM S2 - STUD 2
DRIVER SUPPLY 4 DRIVER SUPPLY 4 IGNITION SYPPLY
20A 20A 10A 10A
IGNITION POWER
FUSE 21 OEU OUTPUT FUSE 28 CCU2 OUTPUT FUSE 35 MIRROR ELECTRICAL ZF EOL ZF EOL PROG. PIN
DRIVER SUPPLY 5 DRIVER SUPPLY 5
20A 20A 10A
214309-0
 WH 2.5 D6-T WH 2.5 D1-T WH 2.5 R1-30 1 4
CB1 20A OUT IN
CB1-1 CB1-2
YL/RD 1.5 D3-3 YL/RD 0.75 RD 0.75 FUSE 35-2 2 3
WH 2.5 DIODE1 3A
(Not on B50D & JD 250/300D) BK/WH 1.5 MR-12 3 18
ALT YL/RD 1.5 EE (JD 250/300D Only)
D3-6 BK/WH 1.5 OEUJ1-H1&H2 4 14
RD 70.0 BK 70.0
D6-W GN 2.5 MR-5 5 18
(JD 250/300D Only)
GN 2.5 FUELTP-5 7 19

ALT-D+ D6-X GN 2.5 MR-6 6 18

D+ M STUD 1 FUSE 1 10A
24 Allison Interface
+ GN 1.5 TCU-2 8

BK/WH 1.5

BK/WH 1.5
GN 10.0 1 2
A 23 ZF Interface
ALT-B+ B+ ALT-E
FUSE 2 10A

D1-U
BATTERY 12V

BK 16.0
KL30
D6-R
1 2
GN 0.75 ADM21-1 9 18 JD ECU - 2 (Int) - 20A
KL50
12 V

FUSE 3 20A

RD 70.0
ALTERNATOR STAR-50
1 2
GN 1.5 OEUJ2-L1 10 15 Output Expansion Unit
STARTER

GN 10.0
EE
DIODE 3A-(JD 250/300D Only) FUSE 4 20A
GN 16.0

BK/WH 1.5 BK 1.5 1 2

GN 1.5 CCU2J2-L1 11 10 Chassis Control Unit
EE
- FUSE 6 10A
GN 1.5 BB-2 14 4 Battery Balancer
MCB1 60A GN 4.0 1 2
+ +
GN 16.0 GN 10.0 D6-U FUSE 7 10A
RD 70.0

24 V

ISW1-IN IN OUT ISW1-OUT MCB-1

MCB-2 1 2
GN 0.75 DIAG-B 15 25 Diagnostic Connector
GN 10.0
ISW2-IN - - ISW2-OUT
BK 2.5 FUSE 8 10A
IN OUT SCHOTTKY DIODE
1 2
GN 0.75 MDU2J1-A 16 5 Monitor Display Unit
1A/100V IGNS-1 IGNS-30
ISOLATOR 18 26 Interior Light
BK 70.0

GN 0.75 ILHT-A
SWITCH 86 30 FUSE 10 10A
+ IGNITION 1 2
GN 0.75 BLS-1 19 9 Brake Lights Switch

RD/BK 2.5
GN 1.5
BK 1.5

CONT
SOLENOID GN 0.75 SSM-1 20 6 Sealed Switch Module
EE
BATTERY 12V

85 87
IGNS-2 IGNS-87
12 V

GN 0.75 MM21C-16 12 25 Memory Module

FUSE 5 10A
2 1
D9-A D3-7 GN 0.75
1 2
GN 0.75 MM21B-1 13 25 Memory Module
BB FUSE 1 5A
RD 10.0 D6-S D1-S RD 10.0 FUSE 15-1 21 2 Interface Connector
(All Small Trucks)

- 2 1
D9-B D3-16
CB2 20A
RD 2.5 AH-1 22 6 Air Heater (Small)
RD/BK 2.5

BB FUSE 2 5A (All Large Trucks) RD 2.5 AH-1 23 6 Air Heater (Large)

BK 0.75

RD 4.0
CB2-1 CB2-2
D6-Y RD 2.5 FF-1 24 6 Fuel Filter

(JD 250/300D RD 1.5 COL-1 25 6 Coolant Level

BK 70.0 Only)
17 RD1.5 ETH-B 203 20 Ether Start Solenoid

25 D6-V RD/BK 2.5 D1-V RD/BK 2.5 SSM-3 26 6 Sealed Switch

Memory Module
1
Module
 3 28 FUSE 29-1 RD 6.0
STUD 2
Ignition Solenoid 1 21 IGNS-87 RD 10.0 RD 6.0

FUSE14 10A
Generic Special Spare 15 159 GSS-5 RD 1.5
2 1

Allison interface 24 FUSE15 10A FUSE22 10A

29 TCU-3 RD 1.5 RD 1.5 OEUJ2-M1 42 15 Ignition Status
ZF Interface 2 1 1 2
23

FUSE16 40A FUSE23 25A

Cold Start Ignition Supply 18 30 CS8-1 RD 2.5 RD 2.5 RD 2.5 RD 1.5 OEUJ3-G1 43 16 Output Driver Supply 2
2 1 1 2
Cold Start Ignition Supply 18 31 CS4-4 RD 2.5 RD 1.5 OEUJ3-G2 44 16 Output Driver Supply 2

FUSE17 10A FUSE24 15A

ADM, JD ECU 18 32 ADM21-2 RD 0.75 RD 1.5 RD 2.5 RD 1.5 OEUJ3-H3 45 16 Output Driver Supply 1
2 1 1 2
MR 18 33 MR-15 RD 1.5 RD 1.5 OEUJ3-H4 46 16 Output Driver Supply 1

FUSE18 20A FUSE25 20A

Output Driver Supply 3 14 34 OEUJ1-G3 RD 1.5 RD 2.5 RD 2.5 RD 1.5 CCU2J1-G3 47 7 Output Driver Supply 3
2 1 1 2
Output Driver Supply 3 14 35 OEUJ1-G4 RD 1.5 RD 1.5 CCU2J1-G4 48 7 Output Driver Supply 3

FUSE19 30A FUSE26 30A

Output Driver Supply 6 14 36 OEUJ1-H3 RD 1.5 RD 2.5 RD 2.5 RD 1.5 CCU2J1-H3 49 7 Output Driver Supply 6
2 1 1 2
Output Driver Supply 6 14 37 OEUJ1-H4 RD 1.5 RD 1.5 CCU2J1-H4 50 7 Output Driver Supply 6

FUSE20 20A FUSE27 20A

Output Driver Supply 4 15 38 OEUJ2-L3 RD 1.5 RD 2.5 RD 2.5 RD 1.5 CCU2J2-L3 51 10 Output Driver Supply 4
2 1 1 2
Output Driver Supply 4 15 39 OEUJ2-M3 RD 1.5 RD 1.5 CCU2J2-M3 52 10 Output Driver Supply 4

FUSE21 20A FUSE28 20A

Output Driver Supply 5 15 40 OEUJ2-L4 RD 1.5 RD 2.5 RD 2.5 RD 1.5 CCU2J2-L4 53 10 Output Driver Supply 5
2 1 1 2
Output Driver Supply 5 15 41 OEUJ2-M4 RD 1.5 RD 1.5 CCU2J2-M4 54 10 Output Driver Supply 5

2
Stud 2 Connection 2 28 FUSE 15-1 RD 6.0
Signal Ignition Supply 1 -
RD 0.75 CCU2J3-F4 67 12 Hardware Detection
FUSE29 10A FUSE36 10A
Ignition Status 10 55 CCU2J2-M1 RD 1.5 RD 6.0 RD 1.5 RD 1.5 BB-6 26 4 Battery Balancer Ignition Status
2 1 1 2

RD 0.75 MM21C-5 68 25 Memory Module Ignition Status

RD 0.75 PBPS-2 69 6 Park Brake Pressure Switch
FUSE30 25A
Output Driver Supply 2 12 56 CCU2J3-G1 RD 1.5 RD 2.5 RD 0.75 KSW-1 70 11 Emergency Kill Switch
2 1

Output Driver Supply 2 12 57 CCU2J3-G2 RD 1.5

FUSE31 15A
Output Driver Supply 1 12 58 CCU2J3-H3 RD 1.5 RD 2.5 FWMD-3 71 8 Front Wiper Park Signal
2 1

Output Driver Supply 1 12 59 CCU2J3-H4 RD 1.5 SCS12-1 72 6 Headlight Switch (Flash)

FUSE37 10A SCS12-4 73 6 Headlight Switch (Dip & Bright)

Diagnostic Tool Ignition Supply
FUSE32 10A RD 0.75
1
(DIAG-B) 25 60 DIAG-E RD 0.75 2 AGI-A 75 26 Automatic Greaser Indicator
2 1

RWMI-3 76 8 Rear Wiper Motor Park Signal

FUSE33 10A
Ignition Status 5 62 MDU2J1-L RD 1.5 RD 0.75 R1-86 77 4 12V Relay Ignition
2 1

Ignition Supply
FUSE34 10A FUSE38 10A
(Iqan Kill Switch) 11 63 ICSW-2 RD 1.5 RD 1.5 D2-N
2 1 1 2

FUSE35 10A FUSE39 10A Automatic Greaser

Ignition Supply via Diode 1 1 2 DIODE 1-IN RD 0.75 D2-R RD 1.5 AG-1 80 26 Ignition Supply
2 1 1 2

Ignition Supply 27 64 MSW-2 RD 0.75

Aircon Ignition Supply 17 65 ACU-8

FUSE40 10A
1 2
RD 1.5 ESEAT-1 81 26 Electrical seat

FUSE41 10A
1 2
D5-X RD 1.5 AHP-P RHP-P OBWP-2 OBW-4 82 28 Ignition Supply On Board Weighing
TPM-3 83 28 Ignition Supply Tyre Pressure Monitor
(Only on OBW & TPMS pigtail harness)
(FUSE 42)
ZF EOL 00A
EOL Programming Pin
1 2
PK/GY 0.75 TCU-6 84 23 (TCU Interface)

3
 1
CUSTOMER SUPPLIED
1 IN-LINE FUSE 2A
12V TWO WAY RADIO BK REVERSE
CAMERA "-" LFS-1
BK
"+" LFS-2
CB1-2

2WR-2

2WR-1

BL
LEFT SPEAKER
E2

RM - 2

RM - 1
REVERSE "-" RFS-1
BK 1.5
MONITOR
WH 2.5

"+" RFS-2
E6
BK 1.5
RIGHT SPEAKER
FUSE47 10A E2

BK 1.5
WH 1.5 WH 1.5
1 2 12V Battery Power - Radio Supply

87a FUSE43 10A

WH/RD 2.5 WH/RD 1.5 WH/RD 1.5
1 2 12V Radio Ignition

30 87
FUSE44 10A

RADI-A

RADI-C
RADI-B
85 86
BK 1.5 WH/RD 1.5 WH/RD 1.5
1 2 12V 2Way Radio

E2 FUSE45 10A

WH/RD 1.5

BK/GN 1.5

BK/BL 1.5
RELAY 1

WH 1.5

BK 1.5

BK 1.5

BK 1.5
WH/RD 1.5 WH/RD 1.5
WH/RD 1.5

1 2
RD 0.75

12V SUPPLY 12V Power Socket, 12V Cigarette Lighter

FUSE46 10A
WH/RD 1.5 WH/RD 1.5

WH/RD 1.5
WH/RD 1.5
1 2
3 77 FUSE 37-2

A7 A4 A8 B3 B4 B5 B6
WH/RD 0.75
WH/RD 0.75

CL-1 12V-A
12V ANTENNA
4 12V RADIO
12V
CCU2J1-F1

2 GN 1.5
MM21C-1

CL-2 12V-B
6 RD 1.5 BK 1.5 BK 1.5
E6 E2
5 CIGARETTE 12V POWER
LIGHTER SUPPLY
3
FUSE 36-2

FUSE 6-2

85 86
1 BK 1.5
7 25

BATTERY BALANCER E2
CCU 12V Input

MM 12V Input

26 14
3 1
4
 MDU2J1

MDU2J2 A GN 0.75 FUSE 8-2 16 1

B B
30 40 50
20 60
K 10 70 E DIAG-D 93 25
0 20 30 80
km/h 10 40
P mph 0 50 F DIAG-C 94 25
COOLANT RPM
6 87 SCS 12-3 WH/GY 0.75 F TEMP
G DIAG 95 25
6 88 SCS 12-5 GY/WH 0.75 G H
6 89 COL-3 WH/BL 0.75 H J BK 0.75 SSM 96 6

18 90 CS8-8 OR/GN 0.75 J C YL 0.75 SSM-6 97 6

(Used on 4206D Only)
29 91 HLS-1 YL/BL 0.75 TRANS GN 0.75 SSM-5 98 6
L TEMP
FUEL K
6 92 PBPS-1 BL/YL 0.75 M L RD 1.5 FUSE 33-2 62 3
Engine Air Intake
Filter Pressure Switch
D3-30 PL/GN 0.75 N R BN/RD 0.75 SCS 12-10 99 6

BL/WH 0.75 A S YL/RD 0.75 SCS 12-9 100 6

RD/GY 0.75 C P BK 1.5
E3
OR/BK 0.75 E M BK/RD 0.75 BUZ-1

D D OR/WH 0.75
B
N BL/WH 0.75

BUZ-2
BUZZER
D2-Q

D2-A

D2-B

MONITOR DISPLAY UNIT

D3 - 27
OR/BK 0.75

RD/GY 0.75
G
FUEL-1 FUEL-2
HFP-1

BK 1.5
Q

AFP-1
FUEL SENDER EE
BL/WH 1.5

BL/WH 1.5
AE P AE P
LABP-2 1 ES-2 1 (B20/2306D Only)
BK 1.5 BK 1.5
E1 P
P AE CTDPS-1 1 2
2 1 2 2 BK 1.5 G
HFP-2 BK 1.5 FUEL-1 FS-1 FS-2 FUEL-2
LABP-1 ES-1

BK 1.5
3
LOW ACC BRAKE EMERGENCY CTDPS-3 Q

HYD FILTER PRESSURE 2 STEERING 2 EE

AFP-2
CTD PRESSURE FUEL SENDER
PRESSURE (S4) N/O (SP1) N/O
SWITCH
5
 1 1 9 3 5 1 1

20 26 117 69 92 22 24

FUSE 10-2

IGNS-1 (86)
D

MDU2J2-M
FUSE 36-2
CCUJ2-D2
STOP

CB2-2

CB2-2
SSM-1
GN 0.75

1 2 3 N SSM-2
BK 0.75

BL/YL 0.75
MENU
E1

RD 0.75
SSM-3 AH-2 t AH-1 FF-1 t<7.2°C FF-2
RD/BK 2.5 RD 2.5 RD 2.5

BK 2.5

BK 2.5
SSM-4
4 5 6 GN/BK 0.75 P
BACK
SSM-5 PBPS-2 2 1 PBPS-1
AIR HEATER FUEL FILTER
GN 0.75 98
A SSM-6 EE E3
YL 0.75 3
7 8 9 NEXT

BK 0.75

PARK BRAKE RD 0.75 FUSE 37-2 73 3

. 0
SELECT
PRESSURE SWITCH
RD 0.75 FUSE 37-2 72 3

BN/RD 0.75 MDU2J1-R 99 5

25 BUTTON SEALED SWITCH MODULE
YL/RD 0.75 MDU2J1-S 100 5
5 97 MDUJ1-C YL 0.75 GN/BK 0.75 CCU2J1-F2 101 7

SCS12-10
98 GN 0.75

SCS12-4

SCS12-1

SCS12-9

SCS12-2
5 MDUJ1-K

5 96 MDUJ1 BK 0.75

56 30 Sx Dx 49

HEADLIGHTS

INDICATORS
L R

HORN
COL-2
_
EE BK 1.5 2 Small Trucks:
COL-1
5 89 MDU2J2-H D3 - 2 WH/BL 1.5 1 SIG DIPS BRIGHTS
56b 56a L 31

LOW COOLANT

SCS12-12
SCS12-11
STEERING

SCS12-5

SCS12-3
GN 0.75

LEVEL SWITCH
BK 0.75
YL 0.75

COLUMN

BK 0.75

BK 0.75
GY/WH 0.75

WH/GY 0.75
SWITCH

COL-2
EE BK 1.5 2 _ Large Trucks:
BK 1.5
OBW-10
OBW -8

OBW-9

COL-3
3 SIG

MDU2J2-G
5 89 MDU2J2-H D3 - 2

MDU2J2-F
WH/BL 1.5
COL-1
E3
1 25 CB2-2 RD 1.5 1 +
COL-4
4

LOW COOLANT 193 194 195 88 87

LEVEL SWITCH 6
28 28 28 5 5
 AHP-K RREV-2 RHP-K BK 1.5 RREV-2 RREV-1 RREV-1 YL/GN 1.5 BK 1.5 RHP-K AHP-K
4206D Only 4206D Only
BUA-B
AE AE
RIGHT REVERSE LIGHT BACK UP
B
ALARM
BUA-A

AHP-K LREV-2 RHP-K BK 1.5 LREV-2 LREV-1 LREV-1 YL/GN 1.5

4206D Only 4206D Only
t
AE DBT-1 1 2 DBT-2
LEFT REVERSE LIGHT BL/YL 1.5 BK/YL 1.5 CCUJ2-K2 107 10
SREV-1 YL/GN 1.5
SPARE REVERSE
2306D Only
SREV-2 BK 1.5
DROP BOX TEMP.
E4 SWITCH N/C
REAR EARTH BK 2.5 YL/GY 0.75 RWMI-4 103 8
2306D Only

15 27 GSS-1 BK/GN 0.75

G
PSEN-A

P
W
10 102 CCU2J2-K2 BK/YL 0.75
AIR PRESSURE
SENDER 0-10bar RD/OR 0.75 FWMD-4 105 8

RHP-A
PSEN-B
WH/RD 0.75 FUSE 46-2 85 4

GN/BK 0.75 SCS-2 101 6

LHL-2 LHL-3

BL/YL 1.5
AHP-A
LHL-1
GY/WH 1.5
WH/GY 1.5
BK 1.5

BL 1.5 D3-26 108 8

LEFT HEADLIGHT
BL 1.5 BL 1.5 D2-P 109 13
D2-C

D2-F
RHL-1 RD 1.5 FUSE 25-2 47 2

RHL-2 RHL-3 RD 1.5 FUSE 25-2 48 2

EE

WH/RD 0.75
110 8

RD/OR 0.75
RD/WH 1.5 WLHT-A

GN/BK 0.75
D3-10

D3-11

YL/GY 0.75
BL/YL 0.75
YL/GN 1.5

BL 0.75

BL 0.75
RIGHT HEADLIGHT RD/WH 1.5 WLHT-B 111 8

RD 1.5 FUSE 26-2 49 2

RD 1.5 FUSE 26-2 50 2

A1 A2 A3 A4 B1 B2 B3 B4 C1 C2 C3 C4 D1 D2 D3 D4 E1 E2 E3 E4 F1 F2 F3 F4 G1 G2 G3 G4 H1 H2 H3 H4
CHASSIS CONTROL UNIT CCU2 J1
7
 12 7 9 3 3 9 7 10

112 105 113 71 76 114 103 115

CCU2J1-D3&D4
CCU2J1-E3&E4

CCU2J2-G4
CCU2J3-C1

CCU2J2-E2

CCU2J2-E1
FUSE 37-2

FUSE 37-2
Thermal 2 2 Thermal
Protection BL 1.5 FWMD-2 OR 0.75 RWMI-2 OR/BL 0.75 RWMD-2 BL 1.5 Protection
2 2

M RD 1.5 FWMD-4 RD/OR 0.75 RWMI-4 YL/GY 0.75 RWMD-4 RD 1.5 M

4 4
1 1

Park Park
GN 1.5 FWMD-1 PK 0.75 RWMI-1 PK/BL 0.75 RWMD-1 GN 1.5
1 1
Earth Earth
BK 1.5 FWMD-6 BK 1.5 RWMI-6 BK 1.5 RWMD-6 BK 1.5
6 E3 E5 6
Ignition Ignition
YL 1.5 FWMD-3 RD 0.75 RWMI-3 RD 0.75 RWMD-3 YL 1.5
3 3

FRONT WIPER MOTOR DOGA REAR WIPER MOTOR DOGA

EE
7 108 CCU2J1-F3&F4 D3-26 BL 1.5 LPLHT-1 LPLHT-2 BK 1.5

FRONT LEFT PARKLIGHT

EE
BL 1.5 RPLHT-1 RPLHT-2 BK 1.5

FRONT RIGHT PARKLIGHT

7 110 CCU2J1-H1 RD/WH 1.5 WLHT-A RD 1.5 LWL-1 LWL-2 WLHT-C BK 1.5
E6

LEFT WORKLIGHT
BK 1.5

7 111 CCU2J1-H2 RD/WH 1.5 WLHT-B RD 1.5 RWL-2 RWL-2

RIGHT WORKLIGHT 8
 SCHOTTKY DIODE
1A/100V

GN/BK 0.75 SSM-4 117 6

PL/YL 1.5 HSR-4 118 10
2
BK 1.5 GN/PL 1.5 OR/YL 0.75 BL-6 119 10
AE BPR-2 1 BPR-1
PK/BK 0.75 RWMI-1 114 8
BIN PRESSURE PK 0.75 FWMD-1 113 8
REDUCTION SOLENOID
Not on 4206D PL/RD 1.5 AS-B 120 10
Not on Small Trucks
10 129 HSL-4 PL/BL 1.5 SCHOTTKY DIODE
1A/100V

15 161 GSS-2 OR/GN 0.75

t
EE
BFI-4 FTS-2 BK 1.5 YL/PL 1.5 FTS-1
2 1 1
YL/GN 2.5 BK 2.5
BONNET PBOS-2 2 PBOS-1
SCHOTTKY DIODE FAN TEMP
1A/100V EE
SWITCH N/O PNEUMATIC BLOW
OFF SOLENOID

AHP-L RHP-L PL/GN 1.5 BPS-B 121 10

1
BK 0.75 GN/BL 0.75
IDLSOL-2 2 IDLSOL-1
P

Small Trucks Only

(B40-/35D Only)
E5 IDLPS-1 1 2

SUS-8

SUS-9
BFI-1

D6-Z
INTER AXLE
DIFF LOCK SOLENOID 3 (B50D SS Only)
GN/GY 0.75 D5-M GN/GY 1.5 FDL-1 122 28
IDLPS-3
1 2
1 19 FUSE 10-2 GN 0.75 BLS-1 BLS-2 IDL PRESSURE

D2-M
D5-W

D5-U

D3-4
D5-T

D2-T
D3-31
SWITCH
BRAKE LIGHTS AE
SWITCH
GY/GN 0.75

GN 0.75

GN/GY 0.75
GN/BK 0.75

YL/GN 0.75

PL/GN 0.75
PK/BK 0.75

PL/RD 0.75
GN/BL 0.75

GN/PL 0.75

OR/YL 0.75
YL/PL 0.75

PL/YL 0.75
PL/BL 0.75
SCHOTTKY DIODE

PK 0.75
1A/100V

YL 0.75

BK 0.75
TCUCAN-C
TCUCAN-B

TCUCAN-A

OEUJ2-B1 GN 0.75
E5
OEUJ2-A1 YL 0.75 OR/BN 0.75 2 BK 1.5
1
CTDSOL-1 CTDSOL-2
OEUJ2 BK 0.75
CTD
A1 A2 A3 A4 B1 B2 B3 B4 C1 C2 C3 C4 D1 D2 D3 D4 E1 E2 E3 E4 F1 F2 F3 F4 See pg10 for SOLENOID
128 127 126 125 124 123 CCU2 J2 Pins G-M
ZF 23 23 23 15 15 15 CHASSIS CONTROL UNIT CCU2-J2 (A-F) 9
Allison 24 24 24
 9 HEIGHT 9 HEIGHT 9 ARTIC 7 12 11 17 7 9 BIN 9
X° SENSOR X° SENSOR SENSOR POSITION
129 SIG - + 118 SIG - + 120 (B50D & 107 130 131 132 102 121 119
LEFT RIGHT C B A 4206D &
A B C SENSOR
(B50D &Comfort- (B50D &Comfort- (Not on 4206D,
4 1 5 4 1 5 Comfort- 2306D & T17D F/D)
Ride Option Only) Ride Option Only)
Ride Option BIN

CCU2J2-E3
CCU2J2-C3

CCU2J2-D3

CCU2J2-D4
CCU2J2-F1
Only)
LEVER

PSEN-B
(OPTION)

RD/OR 1.5
WBT-2

PL/GN 1.5
PL/RD 1.5

HTS-B

ACU-9
RD/YL 1.5

RD/YL 1.5

RD/YL 1.5
BK/YL 1.5

BK/YL 1.5

BK/YL 1.5

BK/YL 1.5
PL/BL 1.5

PL/YL 1.5

DBT-2
(OPTION)

(B40/35D Only)
BL/GN 1.5

SUS-10

OR/YL 0.75
BK/YL 0.75

BK/YL 0.75
HORN-1

Bridging connector fitted if

D3 - 15

(B40/35D Only)

RHP-M
RHP-N
the Bin Lever Option is not

SUS-7
fitted
EE

(B40/35D Only)

(B40/35D Only)
HORN-2

BK/YL 0.75
SUS-11

SUS-1
BK 1.5

SUSB-10
SUSB-11
SUSB-8

SUSB-7

SUSB-9
ELECTRIC
BL/GN 0.75

AHP-M
AHP-N
HORN

BL-1
BL-2
BL-3
BL-4
BL-5
BL-6

BL-2

BL-3

BL-1

BL-6

BL-5
D2-O
2

D2-U
D2-V
D2-L
HSOL-1
Bridging connector fitted if the
BK 1.5
E5 Comfort Ride Option is not

BK 0.75
1 HSOL-2 fitted

HORN SUS-12 D5-V

(B40/35D Only)
SOLENOID
SUS-7 D5-S
(B40/35D Only)
BL/GN 0.75 SCHOTTKY DIODE
1A/100V
E1

BK/YL 0.75

RD/OR 0.75

OR/GN 0.75

GN 1.5 FUSE 4-2 11 1

RD 1.5 FUSE 27-2 51 2

RD 1.5 FUSE 28-2 53 2

RD 1.5 FUSE 29-2 55 3

E2

OR/WH 0.75
OR/GN 0.75

RD/OR 0.75
BK 1.5

GY/RD 0.75
OR/BK 0.75

WH/BL 0.75
RD/BK 0.75

BL/GN 0.75
BL/GY 0.75

RD/YL 0.75

BK/YL 0.75

BK/YL 0.75
RD 1.5 FUSE 27-2 52 2
RWMI-4
ACU-10

ACU-11

KSW-2

RD 1.5 54
WBT-1

FUSE 28-2 2
FB-1

See pg 9 for G1 G2 G3 G4 H1 H2 H3 H4 J1 J2 J3 J4 K1 K2 K3 K4 L1 L2 L3 L4 M1 M2 M3 M4
138 137 136 135 133 115 CCU2 J2 Pins A-F
17 11 17 11 11 8 CHASSIS CONTROL UNIT CCU2-J2 (G-M) 10
 30 3 10 3

196 70 133 63

CCU2J2-H1

FUSE 34-2
FUSE 36-2
MDM-5

BL/GY 0.75
RD 0.75
RD 1.5

IQAN-1
(OPTION) 1
0

RD 1.5
C EMERGENCY KILL SWITCH
KSW-1 BL/GY 0.75 BL/GY 0.75 KSW-2
D

A IQAN CUT SWITCH

10 137 CCU2J2-J2 WH/BL 0.75 D2-W WBT-1 WH/BL 1.5 ICSW-1 BL/GY 0.75 RD 0.75 ICSW-2
B

G
KILL SWITCH /
IQAN CUT SWITCH
t
(N/C)
W
10 131 CCU2J2-K2 BK/YL 0.75 WBT-2 BK/YL 1.5

BL/GY 0.75
WET BRAKE
TEMPERATURE 214315 - Bridging connector fitted if the Emergency Stop Option is not fitted

SENDER 40°C-120°C

E6
10 135 CCU2J2-H4 FB-1 OR/WH 0.75 M FB-2 BK 0.75

FLASHING
BEACON LIGHT

11
 CHASSIS CONTROL UNIT CCU2J3
A1 A2 A3 A4 B1 B2 B3 B4 C1 C2 C3 C4 D1 D2 D3 D4 E1 E2 E3 E4 F1 F2 F3 F4 G1 G2 G3 G4 H1 H2 H3 H4

GN/WH 0.75
BK/WH 0.75

WH/GN 0.75
ARLHT-2 ARLHT-1 BK 0.75 RD 1.5 FUSE 31-2 59 3

RD/GY 0.75
GN/BL 0.75

RD/BN 0.75

RD/PK 0.75
PL/GN 0.75
YL/GN 0.75

GN/PL 0.75
GY/BL 0.75

GN/YL 0.75
BK/YL 0.75
BK/YL 0.75

BN/YL 0.75
YL/BL 0.75

BL/YL 0.75
OR 0.75
BN 0.75

RD 0.75
BK 0.75

YL 0.75

RD 1.5

RD 1.5
ARTIC REVERSE LIGHT E2 RD 1.5 FUSE 31-2 58 3

RD 1.5 FUSE 30-2 57 3

E2
RD 1.5 FUSE 30-2 56 3

17 143 ACU-7 RD/BN 0.75 RD 0.75 FUSE 36-2 67 3

18 144 CS8-4 YL/BL 0.75 BL/YL 0.75 ACU-12 140 17

13 145 LIND-1 BN 0.75 WH/GN 0.75 BIN-A 168 17
SCHOTTKY DIODE
13 146 LBP-B GY/BL 0.75 1A/100V

D2-X
8 112 FWMD-2 OR 0.75
PARK BRAKE
13 147 RIND-1 YL 0.75 SOLENOID
E5
2
27 148 RMIR-2 RD/GY 0.75 BN/YL 0.75 BK 0.75
PBSOL-1 1 PBSOL-2
27 149 LMIR-2 RD/GY 0.75

RD/PK 0.75
87a
YL/GN 0.75

BK/YL 0.75

30 87
BK 0.75
SCHOTTKY DIODE E2
1A/100V M M
RWASH-2 FWASH-2
Large Trucks Only

85 86
SCHOTTKY DIODE
HTS-1

RWASH-1 1A/100V
BK 0.75

BK 0.75
FWASH-1
D5-H

D5-J

REAR WIPER RELAY 2

FRONT WIPER

RD/PK 0.75
WASHER PUMP OVERSPEED
YL/GN 1.5
2
BK/YL 1.5
WASHER PUMP
GN/WH 1.5

1 AE
BD-1 BD-2
E3 E3 2

GN/YL 0.75
BK/YL 0.75

D2-H BK/WH 1.5 BK 1.5

HCS-1 1 HCS-2
BIN UP

BK/WH 0.75
G SCHOTTKY DIODE

ADM18-16
SOLENOID 1A/100V

HTS-A HYDRAULIC
t
CUT SOLENOID

D5-K
D5-L

Large Trucks Only W

10 130 CCU2J2-K2 BK/YL 1.5 HTS-2

CS8-5
HTS-B 1 141
BK/YL 1.5 GN/YL 1.5
BD-2 2 BD-1
18
HYDRAULIC
TEMPERATURE BIN DOWN 142
SENDER 40°C-120°C SOLENOID 18
12
 12

145
AE
BK 1.5 LSIND-2 LSIND-1 BN 1.5 BK 1.5 AHP-F BK 1.5 RHP-F BK 1.5 TCI-1 BK 1.5 TC2-1

CCU2J3-B2
B18D & TCI-3 BN 1.5 TC2-3
EE FRONT LEFT SIDE INDICATOR B20D Only
TCI-5 YL 1.5 TC2-5 TRAILER
CONNECTOR 2
BK 1.5 LIND-2 LIND-1 BN 1.5 D3-8 TCI-2 BL 1.5 TC2-2 (Used on 2306D)

BN 0.75
TCI-6 BL 1.5 TC2-6
EE FRONT LEFT INDICATOR
TCI-4 GY/BL 1.5 TC2-4

BN 0.75

YL 0.75

GY/BL 1.5
BL 1.5
BN 0.75
RHP-K LLEDS-4 INDL-1 INDL-2 BN 1.5
4206D Only
AE
BK 1.5

4206D Only
LLEDS-1
BK 1.5 AHP-F BK 1.5 RHP-F BK 1.5 TCI-1 BK 1.5 TC1-1
REAR LEFT INDICATOR LIGHT (LED)
BN 1.5 TCI-3 BN 1.5 TC1-3
AE
RHP-F AHP-F D2-J YL 1.5 TCI-5 YL 1.5 TC1-5 TRAILER
CONNECTOR 1
TCI-2 BL 1.5 TC1-2 (Used on T17D F/D,
T17D T/D & 2306D)
29 153 TCI1-3 BN 1.5 BN 1.5 TCI-6 BL 1.5 TC1-6

TCI-4 GY/BL 1.5 TC1-4

29 154 TCI1-5 YL 1.5 YL 1.5 GY/BL 1.5 TCI1-4 151 29

BL 1.5
RHP-H AHP-H D2-K
4206D Only
RLEDS-1

D2-E AHP-C RHP-C LLEDS-2 LBP-B

BK 1.5
4206D Only

YL 0.75
4206D Only
RHP-K RLEDS-4 INDR-1 INDR-2 YL 1.5 D2-P AHP-J RHP-J LLEDS-3 LBP-C LBP-A LLEDS-4
4206D Only 4206D Only
BK 1.5

D3-9

GY/BL 0.75
REAR RIGHT INDICATOR LIGHT (LED)

GY/BL 1.5
LEFT BRAKE / PARK LIGHTS

BL 0.75
RHP-K AHP-K
AE AE
YL 0.75

BL 1.5

BL 1.5
BK 1.5 RIND-2 RIND-1 YL 1.5 RLEDS-2 RBP-B
CCU2J1-F3 & F4

BK 1.5
4206D Only
CCU2J3-C2

CCU2J3-B4

EE FRONT RIGHT INDICATOR 4206D Only

RLEDS-3 RBP-C RBP-A RLEDS-4
TCI1-2

E4 NPL-2 NPL-1 4206D Only

BK 1.5 RSIND-2 RSIND-1 YL 1.5 BK 1.5
RIGHT BRAKE / PARK LIGHTS
B18D & RHP-K AHP-K
EE FRONT RIGHT SIDE INDICATOR B20D Only NUMBER PLATE LIGHT AE
147 146 109 152 (Used on B18D, B20D, T17D T/D, T17D F/D)

12 12 7 29
13
 SCHOTTKY DIODE
1A/100V
BFI-3 BN/BL 1.5 FAN2-1 M

BFI-4 BK 1.5 FAN2-2

EE BONNET FAN 2
(B50D ONLY)

D3-20
RD 1.5 FUSE 18-2 34 2

17 155 ACU-3 RD/BL 0.75 RD 1.5 FUSE 18-2 35 2

BN/BL 0.75
17 156 ACU-2 RD/GN 0.75 BK/WH 1.5 KL50 4 1

17 157 ACU-1 RD/GY 1.5 RD 1.5 FUSE 19-2 36 2

RD 1.5 FUSE 19-2 37 2

BN/BK 0.75

A1 A2 A3 A4 B1 B2 B3 B4 C1 C2 C3 C4 D1 D2 D3 D4 E1 E2 E3 E4 F1 F2 F3 F4 G1 G2 G3 G4 H1 H2 H3 H4
OUTPUT EXPANSION UNIT OEU J1
D3-19

SCHOTTKY DIODE
1A/100V
BFI-2 BN/BK 1.5 FAN1-1 M

BFI-4 BK 1.5 FAN1-2

EE
BONNET FAN 1
(B50D ONLY)

14
 24 1 2 2 2 2 2 9 7 2

158 10 38 40 42 39 41 161 27 159

OR/GN 0.75 CCU2J2-C2

BK/GN 0.75 CCU2J1-C2

FUSE 14-2
FUSE 20-2

FUSE 21-2

FUSE 22-2

FUSE 20-2

FUSE 21-2
FUSE 3-1
TCU-8

RD 1.5
E2

GSS-5 SWITCHED POWER - KL15

GN/BK 0.75
10A FUSED

GN 1.5

RD 1.5

RD 2.5

RD 2.5
RD 1.5

RD 1.5

BK 1.5
GSS-1 TRISTATE INPUT - GND / O/C / 24V

GSS-2 TRISTATE INPUT - GND / O/C / 24V

PL/WH 0.75 GSS-3 SOURCING OUTPUT - 3A MAX

WH/GY 0.75 GSS-4 SOURCING OUTPUT - 3A MAX

BK 1.5 GSS-6 SYSTEM GROUND - KL31

GENERIC SPECIAL SPARE
E1

YL/PK 0.75
G1 G2 G3 G4 H1 H2 H3 H4 J1 J2 J3 J4 K1 K2 K3 K4 L1 L2 L3 L4 M1 M2 M3 M4
OUTPUT EXPANSION UNIT OEU J2
A1 A2 A3 A4 B1 B2 B3 B4 C1 C2 C3 C4 D1 D2 D3 D4 E1 E2 E3 E4 F1 F2 F3 F4

18 162 ADM21-19

18 163 ADM21-21

18 164 ADM21-20
RD
WH/GY 0.75 OBWWL-3
GN
9 124 CCU2J2-A1 YL 0.75 WH/GN 0.75 OBWWL-2
YL
9 125 CCU2J2-B1 GN 0.75 WH/BL 0.75 OBWWL-1

9 123 CCU2J2 BK 0.75 BK 1.5 OBWWL-4

E6
ON BOARD WEIGHING
WARNING LIGHTS. OPTIONAL.

15
 SCHOTTKY DIODE
1A/100V

SCHOTTKY DIODE
1A/100V
ENGINE
COOLING FAN
(OPTION)
1
BK 1.5 PL/GN 1.5 SCHOTTKY DIODE
LSS-2 2 LSS-1 1A/100V
2
RD/BN 1.5 BK 1.5
AE M LSD-1 1 LSD-2
LOW SPEED SCHOTTKY DIODE
SOLENOID AE 1A/100V
(Large Trucks Only) LEFT STRUT DOWN
1 2 SOLENOID
ESS-1 BK 1.5 (Std on B50D Only)
SCHOTTKY DIODE
1A/100V ESS-1 (Option on B40/35D)
ESS-2

ESS-2
SCHOTTKY DIODE
1A/100V
2
EMERGENCY OR/WH 1.5 BK 1.5
1

BK/YL 1.5
BL/YL 1.5
LSD-1 LSD-2
STEERING SOLENOID
AE AE
1 RIGHT STRUT DOWN
BK 1.5 BL/GY 1.5 SUS-3

GN/PL 1.5
FCS-2 2 FCS-1 (B40/35D Only) SOLENOID
2 (Std on B50D Only)
SUS-2 PK/GY 1.5 BK 1.5
AE (B40/35D Only) LSU-1 1 LSU-2
(Option on B40/35D)
FAN CUT SCHOTTKY DIODE
AE

ECF-1

ECF-2
SOLENOID 1A/100V
(Large Trucks Only) LEFT STRUT UP
SOLENOID
17 167 ACU-4 BN/RD 0.75 (Std on B50D Only)
(Option on B40/35D)

SCHOTTKY DIODE BL/YL 1.5 BK/YL 1.5 SUS-5

1A/100V (B40/35D Only)
2
SUS-4 GY/OR 1.5 BK 1.5
1
D3-17

D3-18
(B40/35D Only) LSU-1 LSU-2
SCHOTTKY DIODE
AE

D2-G

D5-G
D5-C

D5-D
D5-A

D5-B

D5-E
1A/100V
RIGHT STRUT UP
1 SOLENOID
BK 1.5 BK/GN 1.5 (Std on B50D Only)
MSS-2 2 MSS-1
(Option on B40/35D)

RD/OR 0.75 ACU-6 165 17

AE
D5-F

MEDIUM SPEED RD/YL 0.75 ACU-5 166 17

SOLENOID
(Large Trucks Only) RD 1.5 FUSE 23-2 43 2

OR/WH 0.75

GY/OR 0.75
RD/OR 0.75 RD 1.5 FUSE 23-2 44
BK/GN 0.75

2
RD/BN 0.75
BN/RD 0.75

PK/GY 0.75
PL/GN 0.75

GN/PL 0.75
BL/GY 0.75

BK/YL 0.75

RD/YL 0.75
BL/YL 0.75

BK 1.5 RD 1.5 FUSE 24-2 45 2

RD 1.5 FUSE 24-2 46 2

E2

A1 A2 A3 A4 B1 B2 B3 B4 C1 C2 C3 C4 D1 D2 D3 D4 E1 E2 E3 E4 F1 F2 F3 F4 G1 G2 G3 G4 H1 H2 H3 H4
OUTPUT EXPANSION UNIT OEU J3
16
 RESISTOR
M

THERMOFUSE 1.2 3.5

1 2 3
BK 1.5
*E5
FAN/BLOWER
4 5 6 *NOTE:
E5 - HVAC CASE EARTH. EYE TERMINAL
THROUGH BOLT UNDER 12 WAY BULKHEAD 10
HVAC SECTION OF CONNECTED TO CAB EARTH THROUGH
SEALED SWITCH MODULE EYE TERMINAL ON CAB HARNESS. 8

ACT 1 - 12v Power

7

ACT 1 - 0v-12v Signal

ACU-1 FAN HIGH SPEED - 24V FROM BELL CONTROLLER
14 157 OEUJ1-B3 & B4 RD/GY 1.5 HEAT VALVE
ACU-2 FAN MEDIUM SPEED - 24V FROM BELL CONTROLLER ACTUATOR
14 156 OEUJ1-C3 & C4 RD/GN 1.5
ACU-3 FAN LOW SPEED - 24V FROM BELL CONTROLLER
14 155 OEUJ1-E3 & E4 RD/BL 1.5 10
ACU-4 ACTUATOR 1 - 24V PWM FROM BELL CONTROLLER
16 167 OEUJ3-A2 BN/RD 0.75 1 7 8
ACU-5 ACTUATOR 2 - 24V PWM FROM BELL CONTROLLER
16 166 OEUJ3-E2 RD/YL 0.75 2 8 7
ACU-6 ACTUATOR 3 - 24V PWM FROM BELL CONTROLLER
16 165 OEUJ3-D2 RD/OR 0.75 3 9 FEET
ACU-7 ACTUATOR 4 - 24V PWM FROM BELL CONTROLLER ACTUATOR
12 143 CCU2J3-A2 RD/BN 0.75 4 10
ACU-8 24V
3 65 FUSE 35-2 RD 0.75 6 11 10
ACU-9 CONTROLLER POWER RETURN
10 132 CCU2J2-K2 BK/YL 0.75 5 12 8
ACTUATOR
ACU-10 0 Ohm - 10K Ohm TO BELL CONTROLLER
10 138 CCU2J2-J3 GY/RD 0.75 SIGNAL BOARD 13 7
ACU-11 0 Ohm - 10K Ohm TO BELL CONTROLLER
10 136 CCU2J2-J1 RD/BK 0.75 14 MID/DEMIST
ACU-12 24V TO BELL CONTROLLER ACTUATOR
12 140 CCU2J3-F2 BL/YL 0.75

10

12 168 CCU2J3-E3 WH/GN 0.75 REC. AIR

ACTUATOR
BK 1.5
t
P *E5
EE *NOTE:
E5 - HVAC CASE EARTH. EYE TERMINAL
BK 1.5 WH/GN 1.5 D3-12 WH/GN 0.75 t t THROUGH BOLT UNDER 12 WAY BULKHEAD
BIN-B BIN-A CONNECTED TO CAB EARTH THROUGH
THERMO EYE TERMINAL ON CAB HARNESS.
BINARY SWITCH A/C EVAPORATOR A/C INLET AIR
AIRCON COMPRESSOR SWITCH TEMPERATURE TEMPERATURE
CLUTCH SOLENOID
17
 15 15 15
+ GN 0.75 FUSE2-2 9 1
164 163 162

CANT1-C

CANT1-A
(6)

CABT1-B
6 PL 0.35 120 OHM 3 WAY
ACCP-6
EE EE DEUTSCH CAN

(4)
CSTS-2 CSTS-1 CSSOL-1 CSSOL-2
2 4 GN 0.35 TERMINATOR

PWM
BK 2.5 BK 2.5 ACCP-4 21-1
1
3 WH 0.35

(3)
GY/WH 2.5
t ACCP-3 OEUJ2-A1 YL 0.75

_
GY/BK 2.5
21-19
COLD START + 5 RD 0.35 ACCP-5 OEUJ2-B1 GN 0.75

(5)
21-21
COLD START SOLENOID 2 YL 0.35

PWM
(2)
TEMP SENDER ACCP-2 OEUJ2 BK 0.75 21-20
1 BN 0.35 ACCP-1 BK/YL 0.75

D1 - X
21-14
D1 - Y

(1)
_
BL/GN 0.75 21-13
ACCELERATOR BL/YL 0.75 21-12
PEDAL
BK 0.75 21-3
E3
CS8-7 RD 0.75 21-2

CS8-6

CS8-3 BK 2.5 BL/RD 0.75 15-5

E1
CS8-2 MR-1 D3 - 14 YL/GN 0.75 15-13

CS8-8 MR-3 D3 - 13 BK 0.75 BK 0.75 15-14

CS8-5 MR-4 D3 - 24 BK 0.75

Fuel
CS8-4 Temp MR-2 D3 - 25 BN 0.75 15-15
Sender
CS8-1 MR-9 BK 2.5 RD/YL 0.75 15-6
Cool. EE
Temp
Sender MR-11
Oil
CS4-4 MR-15 D3 - 5 18-9
Temp E3
Sender
CS4-3 MR-5 BK 0.75 18-11
Oil
Press
CS4-2 MR-6 18-16
D1 - W

Sender
Air
CS4-1 Temp MR-12
Sender
MR-13 PL 1.5 D3 - 28 12-2
Air
COLD START Press
BK/WH 0.75

OR/GN 0.75

BK/WH 1.5
BL/WH 2.5

YL/BL 0.75

Sender

PL 0.75
ADM - MERCEDES ECU

GN 2.5

GN 2.5
RD 1.5

RD 1.5

RD 1.5

RD 1.5
Oil
Level OR 0.75 DIAG-H 169 25
Sender Sub.
Pump RD/PK 0.75 R2-87 141 12
Top Dead
Centre Sub.

FUSE 17-2

FUSE 17-2
CCU2J3-E2
CCU2J3-A4

Position MR -
FUSE 16-2

FUSE 16-2

Pump
MDU2J2-J

STAR-50
Sensor
EE

DIAG-J

MCB-1

MCB-1
ENGINE ECU Sub.
BK 2.5 Position Pump EVBSOL-1 EVBSOL-2
Indicator 2
CSGP BK 0.75
GPE
Sub. 1 E5
GLOW PLUG Pump

31 30 144 142 90 4 Outputs for Air 170 3 6 5 33 32 EXHAUST BRAKE SOLENOID

Motor Motor
VTG Waste Gate,
2 2 12 12 5 Hydraulic Exhaust
Start Stop
25 1 1 1 2 2
18
15
OEUJ2-G4 GN/BK 0.75 TCU-8 CAB-8

TCU-7 CAB-7

26
AG-3 BN/RD 0.75 WH 1.0

2
FUSE 15-2 RD 1.5 TCU-3 CAB-3 RD 1.0

158 186 29
55 45 64
1
BK 1.5 TCU-1 CAB-1 BK 1.5 BK 1.0

E1

1
8
FUSE 1-2 GN 1.5 TCU-2 CAB-2 GN 1.5 GN 1.0

GN 1.0

23 68
DIAG1-1 GN 1.0

DIAG1-3

DIAG1-7

DIAG1-6

ZF DIAGNOSTIC
6

25
DIAG-F YL/BK 0.75 TCU-4 CAB-4 DIAG2-2 ZF-6

25
DIAG-G YL/BL 0.75 TCU-5 CAB-5 DIAG2-4 ZF-19

188 189
48 47 15 60 18
30 29 54

DIAG1-5 ZF-24
9

3
ZF EOL-2 PK/GY 0.75 TCU-6 CAB-6 ZF-22

84
5

ZF-11
4

ZF-12
19 24 22 11 12 13

ZF-13
9

10 11

ZF-9
10

ZF-10
2

GE2
ZF-2
ZF - TCU

BR2
ZF-17
17 18

ZF-18
1

RT1
57 16 34 49 62

ZF-1
TRANSMISSION VALVE BODY

15

BL1
2

ZF-15
4

ZF-4
14

ZF-14
TCU CAN
8

9
27 58 51

CCU2J2 BK 0.75 TCUCAN-C ZF-8

9
CCU2J2-A1 YL 0.75 TCUCAN-A YL 1.0
20 21

9
25 26

CCU2J2-B1 GN 0.75 TCUCAN-B GN 1.0

126 127 128
25

MM15A
ZF-20
ZF-21

25

MM15A-10
3

46

25

MM15A-9 ZF-31 BK 1.0

190 191 192
2

ZF-30
SOLENOID
RETARDER

ZF-28
2

24
TEMP

ZF-29
TRANS

BK 1.0
23
 TCU
CAN

A
9

OR/GN 0.85 ALL-17 YL 0.75 TCUCAN-A CCU2J2-A1

28

Speed
Engine

Sensor
9

8
BK/BN 0.85 ALL-16 GN 0.75 TCUCAN-B CCU2J2-B1

59 39

B
9

BK 0.75 TCUCAN-C CCU2J2

49
127 128 126

A
CAB-8 TCU-8
15

WH/GY 0.85 ALL-15 GN/BK 0.75 OEUJ2-G4

23
158

Speed
Output

Sensor
GN/BL 0.85 ALL-23

60 40

B
CAB-4 TCU-4
25

YL/BK 0.75 DIAG-F

CAB-5 TCU-5
25

YL/BL 0.75 DIAG-G

A
CAB-7 TCU-7
26

ALL-19 BN/RD 0.75 AG-3

32 72 41
188 189 186

Speed
Sensor
Turbine
ALL-18

80 20

HD/B 500 Only

{

BL/PL 0.85
BL/OR 0.85
E1

BK 1.5 CAB-1 TCU-1 BK 1.5

14
Turbine
Speed

13
69

PS 2

17
WH/PL 0.85 ALL-3
TCC

12
18 37

WH/YL 0.85 ALL-6

HSD 3

11
SS1

10
YL/BN 0.85 ALL-11
PCS3

9
GN/WH 0.85 ALL-26
PCS2

5
BL/GN 0.85 ALL-12
PCS1

4
WH/GN 0.85 ALL-7

6
HSD 2
70 10 63

BN/BK 0.85 ALL-1

Main Mod
8
51 33 52 36 71 74

OR/WH 0.85 ALL-9

7
RD 1.5

PCS 4
2

BN/YL 0.85 ALL-10

TRANSMISSION BLOCK
HSD 1
1

BN/GN 0.85 ALL-8

PS 1
3

WH/BL 0.85 ALL-21

Trans ID
20

YL/RD 0.85 ALL-20

Sump Temp
RD 1.5

GN 1.5

18

BN/RD 0.85 ALL-14

15

Oil Level
BL/WH 0.85 ALL-22
16
55 11 77 76 54 16 12

GN/OR 0.85 ALL-4

Analog Return
19
CAB-2 TCU-2
CAB-3 TCU-3
CAB-6 TCU-6

BN/BL 0.85
PL/BK 0.85
ALLISON - TCU

ALL-28
31 15

GN/RD 0.85 ALL-2

Solenoid
Retarder
A
H Sol
RD 1.5

GN 1.5
BL 0.75

ALL-13
Temp
58 75

Sensor

OR/GY 0.85 ALL-25

Retarder
A
FUSE 1-2

BN/BL 0.85
FUSE 15-2

2
CCU2J1-F3 & F4

19

Accum.

BL/RD 0.85 ALL-24

Resistor
1

Retarder
8
29
1
2
106 7

24
1 1 1 3 4 23 23 23 5 5 5
MEMORY MODULE
17 12 13 68 86 191 190 192 95 93 94

TCUCAN-C
TCUCAN-A

TCUCAN-B
BB FUSE 2-1

MDU2J1-C
MDU2J1-K
(MM21C) (MM18E) (MM21B) (MM15A)

FUSE 36-2

FUSE 46-2

MDU2J1
FUSE 5-2

FUSE 5-2
1 5 16 19 6 15 2 3 2 1 6 5 7 8 4 10 9

WH/RD 0.75

WH/RD 0.75

RD/OR 0.75

RD/OR 0.75
YL/RD 0.75

YL/RD 0.75

YL/RD 0.75

RD/YL 0.75
GN 0.75

GN 0.75

GN 0.75

GN 0.75

GN 0.75
RD 0.75

RD 0.75

BK 0.75
BK 0.75

BK 0.75

BK 0.75

SHIELD
GN 1.0
YL 1.0
SATC-4

SATC-3 SHIELD DIAGNOSTIC PIGTAIL 216281

CAN
SATC-2 GN 1.0 DIAG-D GN 0.75 CAN-B

SATC-1 YL 1.0 DIAG-C YL 0.75 CAN-A

RD/YL 0.5
YL/RD 0.5
GN 0.5

BK 0.5

DAIM CRYSLER
DIAG
OR 0.75 DIAG-H OR 0.75 DC-14

PL 0.75 DIAG-J PL 0.75 DC-5

7 5 6 8 RD 0.75 DIAG-E RD 0.75 DC-2

GN 0.75 DIAG-B GN 0.75 DC-3

E3 BK 0.75 DIAG-A BK 0.75 DC-1

SATC - IRIDIUM ZF DIAG

ZF-3
YL/BL 0.75 DIAG-G
ZF-1
DIAG-F

FUSE 32-2
YL/BK 0.75

FUSE 7-2
ADM12-2
ZF-4

MR-13

TCU-5

TCU-4
ZF-2

169 170 60 15 189 188

18 18 3 1 23 ZF 25
24 Allison
 23 ZF

3 24 Allison 3

1. Electric motor of the pump 80 186 81

2. Solenoid valve
3. Minimum-level switch

FUSE 40-2
FUSE 39-2
4. Test pushbutton

TCU-7
5. Control unit
6. Pump body

Automatic Greaser

RD 1.5
Pigtail,
not on B50D.
AE

RD 1.5
2
AG-2 BK 1.5

BN/RD 0.75
PUMP
1 1
AG-1

2 1 2 J1 BK 1.5

ESEAT-1

ESEAT-2
L
E5
1 2 J2

D2 - S
4

------

------
2 2 2
J6 J5 J4
1 1 1

3
4 1 AG-3 BN/RD 1.5 P 1 2
7 AGPS-1 1 2 AGPS-2
5 2 AG-7 OR/BL 1.5 AHP-V RHP-V OR/BL 1.5
5
2 3 8
AG-8 OR/BL 1.5 AHP-W RHP-W OR/BL 1.5 3
6 J3 6 ELECTRICAL SEAT
AG-6 OR/GN 1.5
4

AUTOMATIC GREASER

D2 - D
AUTOMATIC GREASER PRESSURE SWITCH

OR/GN 0.75

3 75 FUSE 37-2 RD 0.75 BK 0.75

E5
AGI-A

AGI-C

AGI-B

ILHT-A ILHT-B
GN 0.75 BK 0.75
E6
GY 1.5

GY 1.5

GY 1.5

INTERIOR
LIGHT

FUSE 10-2
1 3 2

AUTOMATIC GREASER 18
INDICATOR 1
26
 E5
RD/GY 0.75 LMIR-2 RD 1.0 BK 1.0 LMIR-1 BK 0.75
LEFT MIRROR
DEMISTER

RD/GY 0.75 CCU2J3-D2 149 12

E5
BK 0.75
1 _
RD 0.75 2 +

M
L R
UP
DOWN
YL 1.0

MIRROR SERVO

SUPPLY

SUPPLY

SUPPLY
SUPPLY
MIRROR SERVO
L R
LEFT MIRROR L R
MIRROR
SWITCH

BN 1.0 LMIR-5 GN/BL 0.75

3 COMMON
GN 1.0 LMIR-4 OR/GN 0.75
8 LEFT HORIZONTAL
YL 1.0 RMIR-4 OR/BN 0.75
6 RIGHT HORIZONTAL
M 5 LEFT VERTICAL
OR 1.0 LMIR-3 YL/GN 0.75
BN 1.0 RMIR-3 GN/YL 0.75 7 RIGHT VERTICAL
OR 1.0 RMIR-5
GN 1.0

MIRROR SERVO UP

DOWN
M
RD 0.75 FUSE 35-2 64 3

E5
RD/GY 0.75 RMIR-2 RD 1.0 BK 1.0 RMIR-1 BK 0.75
MIRROR SERVO
RIGHT MIRROR
RIGHT MIRROR DEMISTER
RD/GY 0.75 CCU2J3-D2 148 12

27
 RD/OR 1.5 LSG-3

BL 1.5 RSG-2 RD/OR 1.5 1

YL/GN 1.5 RSG-1 YL/GN 1.5 11

+ - PL/GN 1.5 LSG-1 PL/GN 1.5 12

BK/YL 1.5 RSG-3 BK/YL 1.5 2
sig sig BK/YL 1.5 LSG-2 AHP-U RHP-U OBWP-1 BK 1.5
AE 3

7
- +
6
LEFT STRAIN RIGHT STRAIN ON BOARD
GAUGE GAUGE 5 WEIGHING
NOT ON 4206D
9

10

RD 1.5 FUSE 41-2 82 3

SHIELD CANTERM-C

YL 1.0 CANTERM-A

GN 1.0 CANTERM-B
120 OHM 3 WAY
DEUTSCH CAN
TERMINATOR
6 195 SSM SHIELD CANA-C SHIELD AHP-T RHP-T OBWP-5

6 193 SSM-6 YL 1.0 CANA-A YL 1.0 AHP-R RHP-R OBWP-3 RD 1.5 FUSE 41-2 83 3

4206D Only
6 194 SSM-5 GN 1.0 CANA-B GN 1.0 AHP-S RHP-S OBWP-4
OPTION

12

11
AHP-U RHP-U OBWP-1 BK 1.5 4
AE

FIDLSW-1 1 2 TYRE PRESSURE

9 122 IDLPS-1 GN/GY 1.5 FDL-1 FDL-2
AE MONITOR
FIDLSW-2

DISENGAGED
ENGAGED
FRONT INTERAXLE DIFFLOCK
(NORMALLY OPEN)
28
 AE
TC1-1 TCI1-1 BK 1.5 RHP-F AHP-F

TC1-2 TCI1-2 BL 1.5 LBP-C 152 13

TRAILER TC1-3 TCI1-3 BN 1.5 INDL-2 153 13

CONNECTOR 1 TC1-4 TCI1-4 GY/BL 1.5 LBP-B 151 13
(Used on 4206D)
TC1-5 TCI1-5 YL 1.5 INDR-2 154 13

TC1-6 TCI1-6 BL 1.5

TC2-6 TCI2-6 BL 1.5

TC2-5 TCI2-5 YL 1.5

TC2-4 TCI2-4 GY/BL 1.5

TRAILER
CONNECTOR 2 TC2-3 TCI2-3 BN 1.5
(Used on 4206D)
TC2-2 TCI2-2 BL 1.5
AE
TC2-1 TCI2-1 BK 1.5 RHP-F AHP-F

HYDSW-1 HYDSW-2
HYD-1 HYD-1 BK 1.5
BL/YL 1.5

Q E3
HYDRAULIC LEVEL
SWITCH
D3 - 23

4206D Only
MDU2J2-L

91
5
29
 PL/RD 1.5
HYD VALVE 1
WH/BN 1.5

HV1-2

HV1-1
1
2
D8-1 YL D7-1

D8-19 WH/GY D7-19

15
HYD VALVE 2

2
BL/YL 1.5

HV2-2
LEVER

HV2-1
1
2
D8-2 BN D7-2 CONTROL 1
L1-3

22
L1-2

8
L1-4
HYD VALVE 3

HV3-2

HV3-1
3

1
2
D8-3 RD/GN D7-3 YL/BL 1.5 LEVER

36 23
CONTROL 2
L2-3
L2-2

9
D8-20 WH/RD D7-20
HYD VALVE 4
L2-4

HV4-2

HV4-1
1
2
D8-4 GN/RD D7-4

4
OR/BL 1.5 LEVER
CONTROL 3
L3-3
L3-2
HYD VALVE 5

HV5-2

HV5-1
1
2
D8-5 GY D7-5 L3-4
5

BL/OR 1.5 LEVER

D8-21 WH/BL D7-21 CONTROL 4
L4-3
HYD VALVE 6 L4-2

HV6-2

HV6-1
1
2
XD8-6 OR D7-6
L4-4
16

BL/GY 1.5 LEVER

HYD VALVE 7 CONTROL 5
L5-3

HV7-2

HV7-1
L5-2

1
2
D8-7 PK D7-7

L5-4
D8-22 WH/GN D7-22
17

GY/BL 1.5 LEVER

HYD VALVE 8
37 24 10 38 25 11 39 26 12 40 27 13 41

HV8-2

HV8-1
CONTROL 6

1
2
D8-8 PL D7-8 L6-3
L6-2

L6-4
HYD VALVE 9

HV9-2

HV9-1
1
2
D8-9 YL/BK D7-9

D8-23 GY/WH D7-23

HYD VALVE 10

HV10-2

HV10-1
1
2
D8-10 BN/YL D7-10
(X347)

XP CAN 1 XP CAN 2
HYD VALVE 11
HV11-2

HV11-1
6
2

1
2

D8-11 RD/BL D7-11

D8-24 RD/WH D7-24

5
1
2
6

HYD VALVE 12
EXPANSION MODULE

HV12-2

HV12-1
1
2

D8-12 BL/RD D7-12

X345
120 OHM

HYD VALVE 13
HV13-2

HV13-1
1
2
TERMINATOR

D8-13 GY/BK D7-13

BK 1.5

RD 1.5
BK/YL 1.5

YL/BK 1.5

42
29
28
14

D8-25 BL/WH D7-25

HYD VALVE 14
1

HV14-2

HV14-1
1
2

D8-14 OR/BK D7-14

4
3

BK 1.5
RD 1.5

HYD VALVE 15
HV15-2

HV15-1
1
2

D8-15 PK/BK D7-15

IQAN-2

D8-26 GN/WH D7-26

HYD VALVE 16
E6

HV16-2

HV16-1
1
2

D8-16 PL/WH D7-16

6

RD 1.5
MASTER DISPLAY MODULE

RD 1.5

LASER-1 RD 1.5 D8-17 D7-17 RD 1.5

RD 1.5

LASER-2 BK 1.5 D8-18 D7-18

LASER
BK 1.5
ICS-A

E7
196 11

30