Sept. 2004 - Up Volvo VN & VHD Truck Complete Vehicle Electrical Wiring Diagrams.

• Two Hundred (200) 8.5 x 11.0 inch paper sheets
• Includes following engines: Cummins ISX & ICON
• Covers Transmissions: Lightining, Meritor G, Allison VHD, Freedomline
• Complete fully detailed wiring diagrams showing all Volvo VN & VHD systems over the entire vehicle.
• Includes wire colors, connector locations, connector pin-outs (circuit positions) & connector illustrations.
• See systems covered below:

Schematic Index
AA Power supply, starting and charging system (1 of 2) Fig. 1: AA page 6
AB Power supply, starting and charging system (2 of 2) Fig. 2: AB page 7
AC Grounding (1 of 2) Fig. 3: AC page 8
AD Grounding (2 of 2) Fig. 4: AD page 9
BA Vehicle ECU (1 of 2) Fig. 5: BA page 10
BB Vehicle ECU (2 of 2) Fig. 6: BB page 11
BC Instrument cluster, Connectors A and B Fig. 7: BC page 12
BD Instrument cluster, Connector C Fig. 8: BD page 13
BE Instrumentation, Qualcomm Fig. 9: BE page 14
BF Instrumentation, Volvo Link Fig. 10: BF page 15
BG Bodybuilder Options, VHD Fig. 11: BG page 16
BH Road Relay Fig. 12: BH page 17
BI Bodybuilder Module Fig. 13: BI page 18
BJ Touch Lock Fig. 14: BJ page 19
BK Secondary Instrument Cluster Fig. 15: BK page 20
CA Engine Control Common Fig. 16: CA page 21
CB Engine Interface, D12 Fig. 17: CB page 22
CC Engine Control, ISX and ICON Fig. 18: CC page 23
CE Fuel filter heater Fig. 19: CE page 24
CF Engine brake switches Fig. 20: CF page 25
CH Inside/outside air cleaner, VHD Fig. 21: CH page 26
CI Engine Control, Cummins ISX without ICON Fig. 22: CI page 27
CO Engine Electronics, D12D Fig. 23: CO page 28
CU Volvo Temp A Start Fig. 24: CU page 29
DB Transmission ECU, Autoshift II Fig. 25: DB page 30
Group 37 Electrical Schematic, VN, VHD VN, VHD
DC Transmission ECU, Lightning Fig. 26: DC page 31
DD Transmission ECU, Meritor G Fig. 27: DD page 32
DE Transmission ECU, Allison, VHD (1 of 2) Fig. 28: DE page 33
DF Transmission ECU, Allison, VHD (2 of 2) Fig. 29: DF page 34
DG Transmission ECU, Freedomline Fig. 30: DG page 35
DP PTO Fig. 31: DP page 36
EA ABS ECU Fig. 32: EA page 37
EB Suspension ECU 6x2 Fig. 33: EB page 38
FA Air Dryer / Heated Drain Valve Fig. 34: FA page 39
FB Lift Axle, VHD Fig. 35: FB page 40
FC Chassis Air Solenoids, VHD Fig. 36: FC page 41
FD Chassis Air Solenoids, VN Fig. 37: FD page 42
FE Central Tire Inflation system Fig. 38: FE page 43
GA LCM Lighting Control Module (1 of 2) Fig. 39: GA page 44
GB LCM Lighting Control Module (2 of 2) Fig. 40: GB page 45
GC Marker Lights Fig. 41: GC page 46
GD Driving / Signal Lights Fig. 42: GD page 47
GE Driving / Fog Lights Fig. 43: GE page 48
GF Tail Lights and Alarm Fig. 44: GF page 49
GG Back of Cab Lights, Daycabs Fig. 45: GG page 50
GH Back of Cab Lights, Sleeper cabs Fig. 46: GH page 51
GI Snowplow and Beacon Lights Fig. 47: GI page 52
GP Windshield Wiper/Washer Fig. 48: GP page 53
GQ Horn Fig. 49: GQ page 54
HA Climate Control Unit Fig. 50: HA page 55
HB Climate Control Unit, Bunk Fig. 51: HB page 56
HC Shore Power/Inverter Fig. 52: HC page 57
HD Bunk Functions/Refrigerator (VN 430, 630, 670) Fig. 53: HD page 58
HE Bunk Functions/Refrigerator/Sink (VN 780) Fig. 54: HE page 59
HF L3 Sleeper Functions without LECM Fig. 55: HF page 60
HG Sleeper Climate Control without LECM L3 Fig. 56: HG page 61
IA Interior Courtesy Lights Fig. 57: IA page 62
IB Power Seats Fig. 58: IB page 63
IC Power Windows/Electric Mirrors Fig. 59: IC page 64
ID Power Windows/Mirrors without DCP Fig. 60: ID page 65
Group 37 Electrical Schematic, VN, VHD VN, VHD
IE Door Functions/Internal Lights Fig. 61: IE page 66
IF Cigar Lighter/Auxiliary Power (Cab Front) Fig. 62: IF page 67
IG Smoke Detector Fig. 63: IG page 68
JA SRS Airbag Fig. 64: JA page 69
JB VORAD Fig. 65: JB page 70
JC Steering Wheel Module/Marker Interrupt Switches Fig. 66: JC page 71
KA Audio System, 4-speaker Fig. 67: KA page 72
KB Audio System, 6-speaker Fig. 68: KB page 73
KC Audio System, 6-speaker with subwoofer, TV Prep Fig. 69: KC page 74
MA Trailer Cable Fig. 70: MA page 75
NA Auxiliary switches Fig. 71: NA page 76
XA Diagnostics Fig. 72: XA page 77
Illustration Index, Wiring Harnesses, pages 79-200

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