GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2005
🢒
Chevy C Cab/Chassis HD (GMT 400)
🢒 PCM Power, Grounding, DLC, and MIL
PCM Power, Grounding, DLC, and MIL
PCM Power, Grounding, DLC, and MIL
Master Electrical Component List
Powertrain Control Module Description
5 Volt and Low Reference Busses
OBD II Symbol Description Notice
ECM-B, Horn
IGN A Fuse and Ignition Switch
ECM-I Fuse, 1 of 2 Fuel Injectors
IGN A Fuse and Ignition Switch
G203
Gages Fuse and Turn-B/U Fuse
G203
Data Link Connector (DLC) Schematics
G104, L18, 1 of 2, All Except HO2S Circuit
HO2S Circuit