GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Power, Ground and Serial Data


Object Number: 1408552  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Gages
Fuse Block 1: Fuses 6 and 7, Fuse Block 2: Fuse 8 and Fuse Block - I/P - 2: Circuit Breake
Fuse Block - I/P - 1: Circuit Breaker 6
Fuse Block 1: Fuse 2 and Fuse Block - I/P - 1: Circuit Breakers 4, 7 and 8
Fuse Block - I/P - 1: Circuit Breakers 2 and 3
Fuse Block 1: Fuses 6 and 7, Fuse Block 2: Fuse 8 and Fuse Block - I/P - 2: Circuit Breake
Fuse Block - I/P - 1: Circuit Breaker 6
Fuse Block 1: Fuse 2 and Fuse Block - I/P - 1: Circuit Breakers 4, 7 and 8
Fuse Block - I/P - 1: Circuit Breakers 2 and 3
Brake Warning Indicators
Brake Warning System Schematics
Splice Packs and Modules - 1 of 2
Controller Area Network (CAN) Connector and Data Link Connector (DLC)
Batteries, Grounds G400 and G402, Splices S113, S120, S121, S123, S124, S202 and S211 and Splice Pack SP400
Figure 2:

Gages


Object Number: 1408554  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Indicators and Illumination
Power, Ground and Serial Data
Engine Data Sensors Pressure, Temperature and Turbocharger Controls 2 of 2
Figure 3:

Indicators and Illumination


Object Number: 1408556  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Driver Information Center (DIC)
Gages
I/P Dimmer Switch and Splice SP301
Brake Warning Indicators
Batteries, Grounds G400 and G402, Splices S113, S120, S121, S123, S124, S202 and S211 and Splice Pack SP400
2 of 2
Figure 4:

Driver Information Center (DIC)


Object Number: 1408558  Size: FS
Master Electrical Component List
Indicator/Warning Message Description and Operation
Indicators and Illumination
Fuse Block - I/P - 1: Circuit Breaker 6
Fuse Block - I/P - 1: Circuit Breaker 6
Differential Lock Schematics
Engine Exhaust Brake Electrical Schematics
Grounds G100, G101, G102, G103, G107, G108, G114, G208, G209, G210, G214, G501, G502, G601 and G602 and Splices S103, S109, S152 and S402
ABS and Stop Lamp Relays, Driver Information Center (DIC), Electronic Brake Control Module (EBCM), Traction Control and Stop Lamp Switches
Driver Information Center (DIC), Electronic Brake Control Module (EBCM), Instrument Panel Cluster (IPC), Park Brake and Stop Lamp Switches and Wheel Speed Sensors (WSS)
Power, Ground, Serial Data, MIL, Solenoids, Temperature Sensor and Switches
Charging
Power, Ground, Serial Data, MIL, Solenoids, Temperature Sensor and Switches
Power, Ground, Serial Data, MIL, Solenoids, Temperature and Speed Sensors, Switches
Brake Warning System Schematics
Splices S305 and S500