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

Power Mirrors


Object Number: 1807720  Size: FS
Master Electrical Component List
Outside Mirror Description and Operation
Control Module References
Heated Mirrors
Body Control Module (BCM), ONSTAR, PEDAL and POWER MIRRORS Fuses
G302
Figure 2:

Heated Mirrors


Object Number: 1846938  Size: FS
Master Electrical Component List
Outside Mirror Description and Operation
Control Module References
Outside Rearview Mirror Schematics (Power Mirrors)
Underhood Fuse Block RBEC1 and Rear Fuse Block , BCK/UP Lamps, CIG/AUX, HTD MIR, HTD SEAT, RKE/XM RR DEFOG and S/ROOF Fuses
Defogger Schematics
G302
G303