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

Power, Ground, and Serial Data


Object Number: 1843221  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Gages
Module Power, Ground, Serial Data, and MIL
Fuse Block 1: Fuses 6 and 7, Fuse Block 2: Fuse 8, and Fuse Block I/P 2: Circuit Breakers 17, 18, 20, 21, 22, and 24
Fuse Block I/P 1: Circuit Breaker 6
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
2007 MD560T Brake Warning System Schematics
Splice Packs and Modules - 1 of 2
Controller Area Network (CAN) Connector and Data Link Connector (DLC)
G400 and G402 - 3 of 8 (w/CTF)
G400 and G402 - 8 of 8
Figure 2:

Gages


Object Number: 1843222  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators and Illumination
Power, Ground, and Serial Data
Engine Data Sensors - Pressure, Temperature, and Turbocharger Controls - 2 of 2
DPF Sensor, Exhaust Temperature Sensors,Exhaust Brake/Throttle Solenoid
Figure 3:

Indicators and Illumination


Object Number: 1843223  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Driver Information Center (DIC)
Gages
I/P Dimmer Switch and Splice S301
200Turn Signal/Hazard Lamps - Left
Turn Signal/Hazard Lamps - Right
Headlights/Daytime Running Lights 2 of 2
Brake Warning Indicators
G400 and G402 - 8 of 8
Figure 4:

Driver Information Center (DIC)


Object Number: 1843224  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators and Illumination
Fuse Block I/P 1: Circuit Breaker 6
Fuse Block I/P 1: Circuit Breaker 6
2007 MD560T Differential Lock Schematics
2007 MD560T Exhaust System Schematics
G100, G101, G102, G107, G114, G208, G209, G210, G214, G400 and G402 - 1 of 8, G501, G502, G601, and G602
Driver Information Center (DIC), Electronic Brake Control Module (EBCM), Instrument Panel Cluster (IPC), Park Brake and Stop Lamp Switches, and Wheel Speed Sensors (WSS)
Module Power, Ground, Serial Data, Indicators, and Control
Power, Ground, Serial Data, and Transmission Optional Connector
Charging
Engine Data Sensors - EGR Valve and Glow Plug Controls
Module Power, Ground, Serial Data, and MIL
Power, Ground, Serial Data, and Transmission Optional Connector
Power, Ground, Serial Data, MIL, Solenoids, Transmission Optional Connector
Brake Warning Indicators
2007 MD560T Brake Warning System Schematics
G400 and G402 - 6 of 8