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

Cell 112 (Utility)


Object Number: 380585  Size: FS
Power and Grounding Connector End Views
Cell 10: TRL B/U and VEH B/U Fuses (w/ M/T)
Tilt Wheel/Column Connector End Views
Cell 138 (Pickup and 2-Door Utility w/ Column Shift)
Cell 14: S419 and S420 (Utility w/ Endgate)
Cell 14: G420 and G450 (Utility w/ Endgate)
Cell 14: S419 and S420 (Utility w/ Endgate)
Lighting Systems Components
Backup Lamp Circuit Description
Cell 112 (Pickup)
Figure 2:

Cell 112 (Pickup)


Object Number: 380582  Size: FS
Power and Grounding Connector End Views
Cell 10: IGN E, B/U LP and OXYSEN Fuses
Cell 10: IGN E, B/U LP and OXYSEN Fuses
Lighting Systems Components
Backup Lamp Circuit Description
Cell 112 (Utility)
Tilt Wheel/Column Connector End Views
Cell 138 (Pickup and 2-Door Utility w/ Column Shift)
Cell 14: G402, G422, and G475 (Fleetside Pickup)
Cell 14: G402, G422, and G475 (Fleetside Pickup)