GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C Pickup - 2WD (CNG) 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Interior Lights Dimming Schematics
Figure 1:

Cell 117: IP Ground G200
Object Number: 366438 Size: FS
Cell 117: PK LPS Fuse 9, ILLUM Fuse 14, Headlamp and Panel Dimmer Switch(2 of 2)
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Cell 14: G200 (1 of 4)
Lighting Systems Components
Interior Lights Dimming Circuit Description
Handling ESD Sensitive Parts Notice
Cell 117: PK LPS Fuse 9, ILLUM Fuse 14, Headlamp and Panel Dimmer Switch(2 of 2)
SIR Handling Caution
Cell 117: PK LPS Fuse 9, ILLUM Fuse 14, Headlamp and Panel Dimmer Switch (1 of 2)
Handling ESD Sensitive Parts Notice
SIR Caution
Cell 117: PK LPS Fuse 9, ILLUM Fuse 14, Headlamp and Panel Dimmer Switch(2 of 2)
Cell 14: G200 (4 of 4)
Figure 2:

Cell 117: PK LPS Fuse 9, ILLUM Fuse 14, Headlamp and Panel Dimmer Switch (2 of 2)
Object Number: 376753 Size: FS
Cell 117: IP Ground G200
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Cell 117: PK LPS Fuse 9, ILLUM Fuse 14, Headlamp and Panel Dimmer Switch (1 of 2)
Cell 117: IP Ground G200
Interior Lights Dimming Circuit Description
Lighting Systems Components
Cell 117: PK LPS Fuse 9, ILLUM Fuse 14, Headlamp and Panel Dimmer Switch (1 of 2)
Cell 14: G400
Cell 14: G202 (1 of 4)