GM Service Manual Online
For 1990-2009 cars only

Power, Ground, Serial Data, MIL, Shift Level and Upfitter Transmission Optional Connector

Power, Ground, Serial Data, MIL, Solenoids, Temperature and Speed Sensors, and Switches


Object Number: 1903991  Size: FS
Master Electrical Component List
Control Module References
Automatic Transmission Solenoids
Splice Packs and Module 3 of 3
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 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 1: Fuse 2 and Fuse Block I/P 1: Circuit Breakers 4, 7, and 8
Fuse Block 1: Fuse 2 and Fuse Block I/P 1: Circuit Breakers 4, 7, and 8
Connector X104, Engine Control Module (ECM) PTO Relay, Turn Signal Multifunction and PTO Switches
Fuse Block I/P 1: Circuit Breaker 6
Fuse Block I/P 1: Circuit Breaker 6
Fuse Block I/P 1: Circuit Breaker 6
Driver Information Center (DIC)
Controller Area Network (CAN) Connector and Data Link Connector (DLC)
Splice Packs and Module 3 of 3
Backup Lamps and Backup Alarm (UZF)
Fluid and Speed Sensors
G402 and G400 - 8 of 8