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

Heated Mirrors


Object Number: 755945  Size: FS
Master Electrical Component List
Outside Mirror Description and Operation Heated Mirrors
Outside Rearview Mirror Switch
Ign ACC, RUN and RAP Bus Bar
Ign RUN and START Bus Bar
B+ Bus Bar
Defogger Schematics
HVAC I Fuse
HVAC I Fuse
ILLUM Fuse 12
G203 and G204 (Utility w/ Manual A/C)
Headlight Leveling Schematics
G203 and G204 (Utility w/ Manual A/C)
G202 (Pickup Except Crew Cab)
G205 (Utility and Crew Cab)
G205 (Utility and Crew Cab)
Power and Ground
Figure 2:

Outside Rearview Mirror Switch


Object Number: 755947  Size: FS
Master Electrical Component List
Outside Mirror Description and Operation Power Mirrors
Folding Mirrors (Export Only)
Heated Mirrors
B+ Bus Bar
Door Lock Switch Inputs
MIR/LKS, FOG LP Fuses and DRL, Headlamp Power Relays
Door Lock Switch Inputs
Headlamp Switch
G202 (Pickup Except Crew Cab)
Figure 3:

Folding Mirrors-- Export Only


Object Number: 755948  Size: FS
Master Electrical Component List
Outside Mirror Description and Operation Folding Mirrors
Outside Rearview Mirror Switch
RDO IGN and STR WHL RDO IGN Fuses
Power and Ground (w/ Trip Computer)
S501 (Utility)
G202 (Utility and Crew Cab)