GM Service Manual Online
For 1990-2009 cars only

Object Number: 1772412  Size: FS
Master Electrical Component List
Horns System Description and Operation
Control Module References
Fuse Block - Underhood ABS, AMP, BATT2, COOLFAN, ECM/TCM/EASY KEY, HORN/ALT SENSE, HVAC, and MRRTD Fuses
G102
SIR Caution for Zoning
G201