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

Power Outside Rearview Mirrors


Object Number: 364963  Size: FS
Power Door Systems Components
Outside Mirrors Circuit Description
Power Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Interior Lights Schematics
Cell 130: PWR ACCY Circuit Breaker, Door Lock Switches, Door Lock Motors,G202 (Pickup/Extended Cab)
Figure 2:

Fuse Block, HVAC Control Module


Object Number: 423973  Size: FS
Power Door Systems Components
Outside Mirrors Circuit Description
Heated Mirror Relay, Heated Mirrors
Power Outside Rearview Mirrors
Power Distribution Schematics
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Heated Mirror Relay, Heated Mirrors
Power Distribution Schematics
Power Distribution Schematics
Figure 3:

Heated Mirror Relay, Heated Mirrors


Object Number: 423974  Size: FS
Power Distribution Schematics
Ground Distribution Schematics
Fuse Block, HVAC Control Module
Power Door Systems Components
Outside Mirrors Circuit Description
Fuse Block, HVAC Control Module