GM Service Manual Online
For 1990-2009 cars only

Interior Lights Schematics w/o V4U/B9Q

Figure 1:

Door Open Inputs


Object Number: 795869  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Front Park/Turn and Repeater Lamps
Class 2 Serial Data (2 of 3)
Figure 2:

Interior Lamp Relay, Headlamp Switch, and Rear Door Courtesy Lamps


Object Number: 795870  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
Door Open Inputs
G200
Overhead Console, Vanity and Courtesy Lamps
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
G200
G201 2 of 3
G201 2 of 3
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
Rear Fuse Block Battery Voltage
Figure 3:

Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps


Object Number: 795871  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Overhead Console, Vanity and Courtesy Lamps
Interior Lamp Relay, Headlamp Switch, and Rear Door Courtesy Lamps
G101
G402 2 of 2
Overhead Console, Vanity and Courtesy Lamps
G402 2 of 2
Interior Lamp Relay, Headlamp Switch, and Rear Door Courtesy Lamps
Interior Lamp Relay and Rear Door Courtesy Lamps
Interior Lamp Relay, Headlamp Switch, and Rear Door Courtesy Lamps
Interior Lamp Relay, Headlamp Switch, and Rear Door Courtesy Lamps
Figure 4:

Overhead Console, Vanity and Courtesy Lamps


Object Number: 795872  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Door Opens Input (w/ V4U)
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
Interior Lamp Relay, Headlamp Switch, and Rear Door Courtesy Lamps
G402 2 of 2
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps

Interior Lights Schematics w/V4U/B9Q

Figure 1:

Door Opens Input (w/ V4U)


Object Number: 795873  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Door Opens Inputs (w/B9Q)
Overhead Console, Vanity and Courtesy Lamps
Class 2 Serial Data (3 of 3)
Class 2 Serial Data (2 of 3)
Figure 2:

Door Opens Inputs (w/B9Q)


Object Number: 795874  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Interior Lamp Relay and Rear Door Courtesy Lamps
Door Opens Input (w/ V4U)
G302 2 of 3
G201 3 of 3 and G202
G402 1 of 2
Class 2 Serial Data (3 of 3)
Class 2 Serial Data (2 of 3)
Figure 3:

Interior Lamp Relay and Rear Door Courtesy Lamps


Object Number: 795875  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
Door Opens Inputs (w/B9Q)
G200
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
Overhead Console, Vanity and Courtesy Lamps
Overhead Console, Vanity and Courtesy Lamps
G200
G101
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
Overhead Console, Vanity and Courtesy Lamps
Figure 4:

Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps


Object Number: 795876  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Overhead Console, Vanity and Courtesy Lamps
Interior Lamp Relay and Rear Door Courtesy Lamps
Interior Lamp Relay and Rear Door Courtesy Lamps
G201 2 of 3
G201 2 of 3
Interior Lamp Relay and Rear Door Courtesy Lamps
Interior Lamp Relay and Rear Door Courtesy Lamps
Rear Fuse Block Battery Voltage
Interior Lamp Relay and Rear Door Courtesy Lamps
Overhead Console, Vanity and Courtesy Lamps
Figure 5:

Overhead Console, Vanity and Courtesy Lamps


Object Number: 795877  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Class 2 Dimming Communication
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
Front Door Courtesy Lamps, Rear Compartment, and Underhood Lamps
Interior Lamp Relay and Rear Door Courtesy Lamps
G402 2 of 2
Interior Lamp Relay and Rear Door Courtesy Lamps
Interior Lamp Relay and Rear Door Courtesy Lamps