GM Service Manual Online
For 1990-2009 cars only

Interior Lights Schematics Base Pickup

Figure 1:

Courtesy and Dome Lamp Control


Object Number: 711122  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Cargo and Underhood Lamp Control
B+ Bus Bar
Cargo and Underhood Lamp Control
G203 - 3 of 4 - Base Pickup
G203 - 1 of 4
Figure 2:

Cargo and Underhood Lamp Control


Object Number: 711127  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Parklamp Signal and Ashtray Lamp
Courtesy and Dome Lamp Control
Courtesy and Dome Lamp Control
G203 - 3 of 4 - Base Pickup
G203 - 3 of 4 - Base Pickup
G203 - 1 of 4
G104 - Gas
G104 - Gas
G106 - Diesel
G106 - Diesel
Figure 3:

Parklamp Signal and Ashtray Lamp


Object Number: 711135  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Driver and Passenger Mini Wedges
Cargo and Underhood Lamp Control
B+ Bus Bar
Dimming Control, Traction Control, Fog Lamp and Selectable Ride Switches
Park Lamp Relay, FR PRK, TRL PRK, LR PRK, and RR PRK Fuses
INT PRK Fuse, Roof Marker Lamps and Clearance Lamps
G203 - 3 of 4 - Base Pickup
G203 - 3 of 4 - Base Pickup
G203 - 1 of 4
Figure 4:

Driver and Passenger Mini Wedges


Object Number: 711141  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Parklamp Signal and Ashtray Lamp
G203 - 3 of 4 - Base Pickup
G203 - 2 of 4
G203 - 2 of 4
G203 - 1 of 4
G203 - 1 of 4

Interior Lights Schematics Uplevel Pickup

Figure 1:

Dome Lamp and Courtesy Lamp Control


Object Number: 711151  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
I/P Compartment Lamp, Underhood Lamp, Reading Lamps and Cargo Lamps
B+ Bus Bar
I/P Compartment Lamp, Underhood Lamp, Reading Lamps and Cargo Lamps
G203 - 4 of 4 - Utility and Uplevel Pickup
G203 - 1 of 4
Figure 2:

I/P Compartment Lamp, Underhood Lamp, Reading Lamps and Cargo Lamps


Object Number: 711160  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Window/Door Lock Switches, Outside Rearview Mirror Switch, Heated Seat Switch and Ashtray Lamp
Dome Lamp and Courtesy Lamp Control
Dome Lamp and Courtesy Lamp Control
G104 - Gas
G103 and G105 - Gas
G203 - 4 of 4 - Utility and Uplevel Pickup
G203 - 4 of 4 - Utility and Uplevel Pickup
G203 - 1 of 4
G200 - 1 of 2
Dimming Control, Traction Control, Fog Lamp and Selectable Ride Switches
G200 - 1 of 2
Figure 3:

Window/Door Lock Switches, Outside Rearview Mirror Switch, Heated Seat Switch and Ashtray Lamp


Object Number: 711172  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
RF Heated Seat Switch, Window/Door Lock Switch - Front Passenger, and Mini Wedges
I/P Compartment Lamp, Underhood Lamp, Reading Lamps and Cargo Lamps
B+ Bus Bar
Dimming Control, Traction Control, Fog Lamp and Selectable Ride Switches
Park Lamp Relay, FR PRK, TRL PRK, LR PRK, and RR PRK Fuses
INT PRK Fuse, Roof Marker Lamps and Clearance Lamps
RF Heated Seat Switch, Window/Door Lock Switch - Front Passenger, and Mini Wedges
Window/Door Lock Switch, Window Relays, G200
G203 - 1 of 4
G203 - 4 of 4 - Utility and Uplevel Pickup
Figure 4:

RF Heated Seat Switch, Window/Door Lock Switch - Front Passenger, and Mini Wedges


Object Number: 711180  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Window/Door Lock Switches, Outside Rearview Mirror Switch, Heated Seat Switch and Ashtray Lamp
Window/Door Lock Switches, Outside Rearview Mirror Switch, Heated Seat Switch and Ashtray Lamp
INT PRK Fuse, Roof Marker Lamps and Clearance Lamps
G200 - 1 of 2
Window/Door Lock Switch, Window Relays, G200
Window/Door Lock Switch, Window Relays, G200
G203 - 1 of 4
G200 - 1 of 2

Interior Lights Schematics Base Utility

Figure 1:

Courtesy Lamp and Dome Lamp Power


Object Number: 711228  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
I/P Compartment Lamp, Underhood Lamp and Map Lamp
B+ Bus Bar
I/P Compartment Lamp, Underhood Lamp and Map Lamp
I/P Compartment Lamp, Underhood Lamp and Map Lamp
I/P Compartment Lamp, Underhood Lamp and Map Lamp
I/P Compartment Lamp, Underhood Lamp and Map Lamp
Figure 2:

I/P Compartment Lamp, Underhood Lamp and Map Lamp


Object Number: 711236  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Parklamp Control, Power Door Lock Switch, and Ashtray Lamp
Courtesy Lamp and Dome Lamp Power
Courtesy Lamp and Dome Lamp Power
G203 - 4 of 4 - Utility and Uplevel Pickup
Courtesy Lamp and Dome Lamp Power
Courtesy Lamp and Dome Lamp Power
Courtesy Lamp and Dome Lamp Power
Cargo Lamp Switch and Inadvertent Power Relay
G200 - 1 of 2
G200 - 1 of 2
G104 - Gas
G104 - Gas
G203 - 1 of 4
Figure 3:

Parklamp Control, Power Door Lock Switch and Ashtray Lamp


Object Number: 711242  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Door Jamb Switches
I/P Compartment Lamp, Underhood Lamp and Map Lamp
B+ Bus Bar
Dimming Control, Traction Control, Fog Lamp and Selectable Ride Switches
Door Jamb Switches
Park Lamp Relay, FR PRK, TRL PRK, LR PRK, and RR PRK Fuses
INT PRK Fuse, Roof Marker Lamps and Clearance Lamps
G203 - 4 of 4 - Utility and Uplevel Pickup
G203 - 2 of 4
G203 - 2 of 4
G203 - 1 of 4
Figure 4:

Door Jamb Switches


Object Number: 711264  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Parklamp Control, Power Door Lock Switch, and Ashtray Lamp
Parklamp Control, Power Door Lock Switch, and Ashtray Lamp
INT PRK Fuse, Roof Marker Lamps and Clearance Lamps
G203 - 2 of 4
G200 - 1 of 2
G203 - 1 of 4
G200 - 1 of 2
G305 and G306
G203 - 1 of 4
G203 - 2 of 4

Interior Lights Schematics Uplevel and Luxury (Y91) Utility

Figure 1:

Inadvertent Power Relay, Door Courtesy Lamps, IP Courtesy Lamps, and CTSY LP Fuse - Uplevel


Object Number: 711275  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Inadvertent Power Relay, Courtesy Lamp Module, and CTSY LP Fuse - Luxury
B+ Bus Bar
ABS, HAZ LP, STUD 1, STUD 2, CTSY LP, and PARK LP Fuses
Vanity Mirror Lamps and Map Lamp Assemblies - Uplevel
Figure 2:

Inadvertent Power Relay, Courtesy Lamp Module, and CTSY LP Fuse - Luxury


Object Number: 711281  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Door Courtesy Lamps and IP Courtesy Lamps - Luxury
Inadvertent Power Relay, Door Courtesy Lamps, IP Courtesy Lamps, and CTSY LP Fuse - Uplevel
B+ Bus Bar
ABS, HAZ LP, STUD 1, STUD 2, CTSY LP, and PARK LP Fuses
Vanity Mirror Lamps and Map Lamp Assemblies - Luxury
Door Courtesy Lamps and IP Courtesy Lamps - Luxury
PARK LPS Fuse, Parklamp Relay, Door Lock Switch-Driver, Heated Seat Switches, and Ashtray Lamp
Figure 3:

Door Courtesy Lamps and IP Courtesy Lamps - Luxury


Object Number: 711285  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Vanity Mirror Lamps and Map Lamp Assemblies - Uplevel
Inadvertent Power Relay, Courtesy Lamp Module, and CTSY LP Fuse - Luxury
Inadvertent Power Relay, Courtesy Lamp Module, and CTSY LP Fuse - Luxury
Courtesy Lamp Relay, Underhood Lamp, and IP Compartment Lamp
G203 - 4 of 4 - Utility and Uplevel Pickup
G203 - 1 of 4
Figure 4:

Vanity Mirror Lamps and Map Lamp Assemblies - Uplevel


Object Number: 711288  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Vanity Mirror Lamps and Map Lamp Assemblies - Luxury
Door Courtesy Lamps and IP Courtesy Lamps - Luxury
Inadvertent Power Relay, Door Courtesy Lamps, IP Courtesy Lamps, and CTSY LP Fuse - Uplevel
PARK LPS Fuse, Parklamp Relay, Door Lock Switch-Driver, Heated Seat Switches, and Ashtray Lamp
Courtesy Lamp Relay, Underhood Lamp, and IP Compartment Lamp
Courtesy Lamp Relay, Underhood Lamp, and IP Compartment Lamp
Figure 5:

Vanity Mirror Lamps and Map Lamp Assemblies - Luxury


Object Number: 711289  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Courtesy Lamp Relay, Underhood Lamp, and IP Compartment Lamp
Vanity Mirror Lamps and Map Lamp Assemblies - Uplevel
Inadvertent Power Relay, Courtesy Lamp Module, and CTSY LP Fuse - Luxury
PARK LPS Fuse, Parklamp Relay, Door Lock Switch-Driver, Heated Seat Switches, and Ashtray Lamp
Courtesy Lamp Relay, Underhood Lamp, and IP Compartment Lamp
Courtesy Lamp Relay, Underhood Lamp, and IP Compartment Lamp
G203 - 4 of 4 - Utility and Uplevel Pickup
Figure 6:

Courtesy Lamp Relay, Underhood Lamp, and IP Compartment Lamp


Object Number: 711291  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
PARK LPS Fuse, Parklamp Relay, Door Lock Switch-Driver, Heated Seat Switches, and Ashtray Lamp
Vanity Mirror Lamps and Map Lamp Assemblies - Luxury
Vanity Mirror Lamps and Map Lamp Assemblies - Uplevel
Vanity Mirror Lamps and Map Lamp Assemblies - Luxury
Vanity Mirror Lamps and Map Lamp Assemblies - Uplevel
Vanity Mirror Lamps and Map Lamp Assemblies - Luxury
Door Courtesy Lamps and IP Courtesy Lamps - Luxury
G200 - 1 of 2
G103 and G105 - Gas
G103 and G105 - Gas
G200 - 1 of 2
G203 - 1 of 4
Figure 7:

PARK LPS Fuse, Parklamp Relay, Door Lock Switch-Driver, Heated Seat Switches, and Ashtray Lamp


Object Number: 711293  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Mini Wedge (Door Jamb Switch) LF and Mini Wedge (Door Jamb Switch) RF
Courtesy Lamp Relay, Underhood Lamp, and IP Compartment Lamp
B+ Bus Bar
Dimming Control, Rear Wiper/Washer, Roof Beacon, and Selectable Ride Switches
PARK LPS Fuse, Headlamp Switch, FR PRK, TRL PRK, LR PRK and RR PRK Fuses
INT PRK Fuse, Roof Marker and Clearance Lamps
Door Lock Switch - Front Passenger, Window Switches LR/RR, and Sunroof Switch
Window Switches, Window Motors
Rear Seat Audio Controller and Radio
Inadvertent Power Relay, Courtesy Lamp Module, and CTSY LP Fuse - Luxury
G203 - 1 of 4
G203 - 4 of 4 - Utility and Uplevel Pickup
Right Rear Heated Seats
Left Rear Heated Seats
Vanity Mirror Lamps and Map Lamp Assemblies - Luxury
Figure 8:

Mini Wedge (Door Jamb Switch) LF and Mini Wedge (Door Jamb Switch) RF


Object Number: 767095  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Door Lock Switch - Front Passenger, Window Switches LR/RR, and Sunroof Switch
PARK LPS Fuse, Parklamp Relay, Door Lock Switch-Driver, Heated Seat Switches, and Ashtray Lamp
Key In Ignition and Turn Signal Shime
Key In Ignition and Turn Signal Shime
G203 - 2 of 4
G203 - 2 of 4
G203 - 1 of 4
G200 - 2 of 2
G200 - 2 of 2
G200 - 1 of 2
G200 - 1 of 2
Figure 9:

Door Lock Switch - Front Passenger, Window Switches LR/RR, and Sunroof Switch


Object Number: 767098  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Mini Wedge (Door Jamb Switch) LR, Mini Wedge (Door Jamb Switch) RR, Bezel Lamp, and Cigar Lighter
Mini Wedge (Door Jamb Switch) LF and Mini Wedge (Door Jamb Switch) RF
PARK LPS Fuse, Parklamp Relay, Door Lock Switch-Driver, Heated Seat Switches, and Ashtray Lamp
Mini Wedge (Door Jamb Switch) LR, Mini Wedge (Door Jamb Switch) RR, Bezel Lamp, and Cigar Lighter
Window Switches, G306
Window Switches, Window Motors
Window Switches-Driver and LR, G305
Power Sunroof Schematics
G200 - 2 of 2
G200 - 1 of 2
G200 - 1 of 2
G305 and G306
G305 and G306
Figure 10:

Mini Wedge (Door Jamb Switch) LR, Mini Wedge (Door Jamb Switch) RR, Bezel Lamp, and Cigar Lighter


Object Number: 767100  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Door Ajar Switches - Cargo or Liftgate
Door Lock Switch - Front Passenger, Window Switches LR/RR, and Sunroof Switch
Door Lock Switch - Front Passenger, Window Switches LR/RR, and Sunroof Switch
Luxury
G203 - 4 of 4 - Utility and Uplevel Pickup
G203 - 4 of 4 - Utility and Uplevel Pickup
G203 - 1 of 4
G305 and G306
Figure 11:

Door Ajar Switches - Cargo or Liftgate


Object Number: 782728  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Rear Seat Audio Controller and Radio
Mini Wedge (Door Jamb Switch) LR, Mini Wedge (Door Jamb Switch) RR, Bezel Lamp, and Cigar Lighter
G410 - 2 of 2
G410 - 2 of 2
G410 - 1 of 2
Figure 12:

Rear Seat Audio Controller and Radio


Object Number: 767102  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Door Ajar Switches - Cargo or Liftgate
PARK LPS Fuse, Parklamp Relay, Door Lock Switch-Driver, Heated Seat Switches, and Ashtray Lamp
G200 - 1 of 2
G200 - 1 of 2