GM Service Manual Online
For 1990-2009 cars only

Object Number: 1638512  Size: FS
Master Electrical Component List
Garage Door Opener Description and Operation
Control Module References
Underhood Fuse Block - RBEC 1 Fuse, Rear Fuse Block, AUX PWR #2, BCK/UP LAMPS, CIG/AUX, HTD MIR, HTD SEAT, RKE/XM/DVD/UGD, RR DEFOG and S/ROOF Fuses
License Lamps and Backup Lamps
G304 and G305
G304 and G305