GM Service Manual Online
For 1990-2009 cars only

Differential Lock Schematics


Object Number: 1820754  Size: FS
Master Electrical Component List
Locking Differential Description and Operation
Control Module References
HVAC/ECAS, IPC/DIC, PCM B, SEO B1, SEO B2, TBC BATT, and TREC Fuses
Instrument Panel Dimming - 1 of 5 and LED Dimming - 1 of 2
Transfer Case Control Schematics
G300, G310, G401, and G403
Power, Ground, DLC and Splice Pack SP205