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

Power Mirrors


Object Number: 685498  Size: FS
Master Electrical Component List
Outside Mirror Description and Operation
Heated Mirrors
G302
BATT Main 1, CLUSTER BATT, RR PWR SCKT, PWR LOCK, RAP RELAY, CTSY LAMP, ONSTAR, CIGAR DLC/APO FRT and PWR MIRROR fuses
Figure 2:

Heated Mirrors


Object Number: 685521  Size: FS
Master Electrical Component List
Outside Mirror Description and Operation
Power Mirrors
BATT Main2, ELC/ TRAILER, RR DEFOG, RR FOG LP fuses and PWR/HEATED SEAT PSD circuit breaker
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
Power Mirrors
Power Mirrors
G401