GM Service Manual Online
For 1990-2009 cars

Object Number: 651149  Size: FS
Master Electrical Component List
Differential Lock Description and Operation
IGN SW Circuit Breakers (2 of 4)
Park Brake, DIFF Lock, Low Air, Primary Brake
Air Brake Warning System
G11 (L18), G101 (LG5)
CHAS, Axle, Circuit Breakers