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

Battery Fuse and Secondary Air Injection (AIR) Jumper Harness


Object Number: 612447  Size: LF
(1)Radiator Support, RH
(2)Secondary Air Injector (AIR) Jumper Harness
(3)Battery Fuse
(4)Fuse Holder
(5)G100
(6)G112
(7)S153
(8)Battery Positive Cable
Figure 2:

Battery Fuse Cable to Fuse Block - Underhood


Object Number: 354779  Size: LF
(1)Fuse Block - Underhood
(2)Battery Fuse Stud Cover
(3)Battery Fuse Cable
Figure 3:

Battery Negative Cable and Ground (2.2 L Engine)


Object Number: 354782  Size: MF
(1)G102
(2)G103
(3)G107
Figure 4:

Center I/P Switches


Object Number: 1004323  Size: LF
(1)Instrument Panel (I/P)
(2)Transfer Case Shift Control Switch
(3)Inflatable Restraint I/P Module Switch (Pickup Only)
(4)Auxiliary Power Outlet - Right
(5)Auxiliary Power Outlet - Left
(6)I/P Tray, Ashtray and Cigar Lighter
(7)Rear Wiper/Washer Switch and Endgate/Liftglass Window Release Switch (Utility)
(8)Transfer Case Shift Control Switch C2
(9)Transfer Case Shift Control Switch C1
Figure 5:

Relay Block - Body Relays, Except Envoy


Object Number: 668212  Size: LF
(1)Park Lamp Relay
(2)Courtesy Lamp Relay
(3)Retained Accessory Power (RAP) Relay
(4)Power Seats Circuit Breaker
(5)Power Windows Circuit Breaker
(6)Inadvertent Power Relay
(7)Door Lock Relay
(8)Headlamp Ground Relay
(9)Door Unlock Relay - Driver
(10)Door Unlock Relay
Figure 6:

Fuse Block - I/P - Label


Object Number: 547722  Size: MF
Figure 7:

Fuse Block - Underhood Connectors


Object Number: 354788  Size: LF
(1)Connector C2 (BLK)
(2)Connector C1 (LT GRY)
(3)Connector C5 (BLK)
(4)Connector C6 (LT GRY)
(5)Connector C3 (RED)
(6)Connector C4 (LT GRN)