GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Exterior Lights Schematics
Figure 1:

Hazard, Stop, and Turn Signal Controls
Object Number: 2080616 Size: FS
Figure 2:

Park and Marker Lamps
Object Number: 2080619 Size: FS
Figure 3:

Park and Stop Lamps
Object Number: 2080623 Size: FS
Figure 4:

Clearance, ID, and Marker Lamps
Object Number: 2080626 Size: FS
Figure 5:

Backup Lamp Control
Object Number: 2080630 Size: FS
Figure 6:

Backup Lamps and Backup Alarm
Object Number: 2080635 Size: FS
Figure 7:

Trailer Tow Connector (C4/C5)
Object Number: 2080641 Size: FS
Figure 8:

Trailer Tow Connector (C6/C7/C8)
Object Number: 2080645 Size: FS
Figure 9:

C305 (Upfitter Lighting Connector)
Object Number: 2080651 Size: FS