INTERIOR LIGHTS – GMC Sierra 2500 1999 – SYSTEM WIRING DIAGRAMS

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for GMC Sierra 2500 1999

List of elements for Courtesy Lamps Wiring Diagram for GMC Sierra 2500 1999:

• (4.3l)
• (4.8l, 5.3l, 6.0l)
• A10
• A11
• B11
• B12
• Body control module (on lower left side of dash, below steering column)
• C10
• C12
• C9 c2
• Cargo lamp
• Cargo lamp switch
• Cargo lp sw
• Courtesy lamp relay
• Ctsy lp fuse 15a
• Ctsy lp rly
• D10
• Dome lamp
• Dome lamp defeat switch
• Dome lamp switch
• Dome lp dft
• Dome lp sw
• Dr handle sw
• G110 (left front of engine)
• G119 (right front of engine)
• G200 (upper left kick panel)
• G200 (upper left sp203
• G203 (upper right kick panel)
• Headlamp & panel dimmer switch
• Hot at all times
• I/p compart- ment lamp
• Inadvert rly
• Inadvertant power relay
• Kick panel)
• Lamp request
• Left bussed electrical center (on lower left side of dash)
• Left door courtesy lamp
• Left i/p courtesy lamp
• Left mini wedge (door jamb switch)
• Left power window/door lock switch
• Lt door jamb
• Mid bussed electrical center (under left side of dash, near left kick panel)
• Nca
• Reading lamps
• Right bussed electrical center (on lower right side of dash)
• Right door courtesy lamp
• Right i/p courtesy lamp
• Right mini wedge (door jamb switch)
• Rt door jamb
• S102
• Sp203
• Tan
• Underhood bussed electrical center (on left side of engine compt)
• Underhood lamp assembly

Instrument Illumination Wiring Diagram for GMC Sierra 2500 1999

List of elements for Instrument Illumination Wiring Diagram for GMC Sierra 2500 1999:

• (4 bulbs)
• (6 bulbs)
• A12
• Ashtray lamp
• Auto
• Automatic transfer case select switch
• B11
• B12
• B5 c1
• Base
• Body control module (on lower left side of dash, below steering column)
• C10
• Dim in
• Driver heated seat switch
• F12
• Fog/ cargo lamp switch
• G200 (upper left kick panel)
• G203 (upper right kick panel)
• Head
• Headlamp & panel dimmer switch
• Hot at all times
• Hvac control module/ blower control switch
• I/p dim
• Illum fuse 10a
• Inflatable restraint i/p module switch
• Instrument cluster
• Int prk fuse 10a
• Left bussed electrical center (on lower left side of dash)
• Left power door lock switch
• Left power window switch
• Left power window/ door lock switch
• Mid bussed electrical center (under left side of dash, near left kick panel)
• Parade mode
• Park
• Park lp rly
• Park lp sig
• Parklamp relay
• Parl lps fuse 30a
• Power window switch
• Radio
• Right bussed electrical center (on lower right side of dash)
• Right heated seat switch
• Right power door lock switch
• Right power window switch
• Right power window/door lock switch
• Roof beacon switch
• Select- able ride switch
• Sp203
• Underhood bussed electrical center (on left side of engine compt)
• Up level