GM Service Manual Online
For 1990-2009 cars only
Makes
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GMC_Truck
🢒
2008
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TopKick C-Series (Conventional) C4/C5
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Diagnostic Navigation
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Vehicle Diagnostic Information
🢒 Instrument Cluster Schematics
Figure
1:
Instrument Panel Cluster 1 of 2
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Instrument Panel Cluster - 2 of 2
TRANS Fuse/Circuit Breaker
TRANS Fuse/Circuit Breaker
RDO/CHIME, CHMSL, and PWR POST Fuses/Circuit Breakers
RDO/CHIME, CHMSL, and PWR POST Fuses/Circuit Breakers
AUX WIRE and IGN 4 - Fuses/Circuit Breakers
AUX WIRE and IGN 4 - Fuses/Circuit Breakers
AIRBAG, GAGES, LT REAR TURN/STOP, and RT REAR TURN/STOP Fuses/Circuit Breakers
AIRBAG, GAGES, LT REAR TURN/STOP, and RT REAR TURN/STOP Fuses/Circuit Breakers
AXL/4WD, BRK, HYD/AIR BRK, and HTR/AC Fuses/Circuit Breakers
AXL/4WD, BRK, HYD/AIR BRK, and HTR/AC Fuses/Circuit Breakers
Park and Stop Lamps
Headlights/Daytime Running Lights (DRL) Schematics
Park and Marker Lamps
Interior Lights Dimming Schematics
Fuse Block, IGN-A Relay, Ground, Serial Data and MIL
Module Power, Ground, Serial Data, and MIL
Module Ground, Serial Data, and MIL, Wait to Start, Water in Fuel Indicators
Module Power, Ground, Serial Data and MIL
Headlights/Daytime Running Lights (DRL) Schematics
Air Brake Warning System
Audible Warnings Schematics
Air Brake Warning System
G101 - 1 of 2
Figure
2:
Instrument Panel Cluster 2 of 2
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Instrument Panel Cluster - LMM
Instrument Panel Cluster - 1 of 2
Engine Data Sensors - 5-Volt and Low Reference 1 of 2
G103 - 1 of 2, G105, and G106
Figure
3:
Instrument Panel Cluster - LMM
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Fuel Gage
Instrument Panel Cluster - 2 of 2
DIC
Splice Pack SP203
G103 - 1 of 2, G105, and G106
Figure
4:
Fuel Gage
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Instrument Panel Cluster - LMM
J1939 Serial Data, 2 of 2 - L18 w/JE4, LF6, LF8
Splice Pack SP203
Fuel Controls - Fuel Sensors, Suction Control Valve (SCV), Exhaust Temperature, DPF Pressure Sensors, and Exhaust Brake Solenoid