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

Dome Lamps - Y71/Y72


Object Number: 792942  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Interior Lights Schematics (Dome Lamps - Y70)
RH BEC BATT, ABS, COOL FAN (V6) GROUND, INT LPS, RADIO BATT, FOG LPS Fuses
Body Rear End Schematics
G401
G202
G202
Dimmer Controls
G203
G203
Figure 2:

Dome Lamps - Y70


Object Number: 803310  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Door Jamb Switches
Dome Lamps
RH BEC BATT, ABS, COOL FAN (V6) GROUND, INT LPS, RADIO BATT, FOG LPS Fuses
Body Rear End Schematics
G401
G202
G202
Dimmer Controls
G203
G203
Figure 3:

Door Jamb Switches


Object Number: 792943  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Dome Lamps
Data Link Connector (DLC) Schematics
G203