GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Keyless Entry


Object Number: 1847668  Size: FS
Master Electrical Component List
Keyless Entry System Description and Operation
Control Module References
Garage Door Opener
BCM, COOLED SEATS, CTSY, DDM, DIM, DSM, LBEC 2, PWR MIR, REAR HVAC and RT STOP TRN Fuses
Low Speed Bus - 3 of 3
G302
Figure 2:

Garage Door Opener


Object Number: 1847671  Size: FS
Master Electrical Component List
Garage Door Opener Description and Operation (One LED)
Control Module References
Keyless Entry
AUX PWR, AUX PWR 2, LBEC 1, PDM and REAR WPR Fuses
I/P Bulb Dimming 1 of 2
G200 1 of 2