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

Dimming Control: Passenger Temperature Control, Ashtray, and Heated Seat Switches Backlighting


Object Number: 559804  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
IP and Front Door Backlighting
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
IP and Front Door Backlighting
VF Dimming and Control
Headlamp Switch and Park Lamp Control
G201, 2 of 2
Handling ESD Sensitive Parts Notice
G201, 2 of 2
G202, 2 of 4
G201, 2 of 2
G201, 1 of 2
G202, 1 of 4
Figure 2:

IP and Front Door Backlighting


Object Number: 559808  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
VF Dimming and Control
Dimming Control: Passenger Temperature Control, Ashtray, and Heated Seat Switches Backlighting
Handling ESD Sensitive Parts Notice
Dimming Control: Passenger Temperature Control, Ashtray, and Heated Seat Switches Backlighting
VF Dimming and Control
SIR Handling Caution
Handling ESD Sensitive Parts Notice
G202, 4 of 4
G202, 2 of 4
SIR Handling Caution
G202, 1 of 4
G202, 4 of 4
Handling ESD Sensitive Parts Notice
G202, 4 of 4
Handling ESD Sensitive Parts Notice
Figure 3:

VF Dimming and Control


Object Number: 559809  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
IP and Front Door Backlighting
Underhood Fuse Block, RUN/CRANK Fuse and IGN-1 Relay
Underhood Maxi-Fuse Block, RAP Fuse/Rear Fuse Block, RAP Relay, RADIO and SUNROOF Fuses
Underhood Maxi-Fuse Block, RAP Fuse/Rear Fuse Block, RAP Relay, RADIO and SUNROOF Fuses
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
IP and Front Door Backlighting
Dimming Control: Passenger Temperature Control, Ashtray, and Heated Seat Switches Backlighting
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice