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

Park Lamps


Object Number: 1218103  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Hazards and Turn Signals
G101
LH HDLP,RH HDLP,HTD SEATS,BRAKE,PREM AUD, and BATT FEED Fuses
G401 and G403
G401 and G403
G301 - 2 of 2
Figure 2:

Hazards and Turn Signals


Object Number: 1218102  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Stop Lamps
Park Lamps
LH HDLP,RH HDLP,HTD SEATS,BRAKE,PREM AUD, and BATT FEED Fuses
Ignition Switch
Interior Lights Dimming Schematic
G101
G201
G401 and G403
G301 - 2 of 2
Figure 3:

Stop Lamps


Object Number: 1218092  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Back-up Lamps
Hazards and Turn Signals
Battery Power to the Fuse Block, Starter, and Generator
G401 and G403
G401 and G403
G301 - 2 of 2
Figure 4:

Back-up Lamps


Object Number: 1218105  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Stop Lamps
Ignition Switch
BACKUP,PWR TRAIN,ENG IGN, and ABS Fuses
G401 and G403
G401 and G403