INTERIOR LIGHTS – GMC Sonoma 2003 – SYSTEM WIRING DIAGRAMS

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for GMC Sonoma 2003

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for GMC Sonoma 2003:

• 2 door
• 2-door
• 4 door
• 4-door
• B10
• B11
• B12
• Body control module (under dash, on heater case)
• Body relay block (left side of dash, right of i/p fuse block)
• C203
• Cargo lamp
• Courtesy lamp
• Courtesy lamp relay
• Ctsy lamp fuse 8 10a
• Ctsy lamp switch sig
• Dome lamp
• Dome lmp
• Dome override
• Dr handle
• Driver door sw input
• G200 (left front of dash)
• G203 (behind right side of dash)
• G203 (right side of dash)
• G205 (right side of dash)
• G405 (right rear body corner)
• Headlamp switch
• Hot at all times
• I/p fuse block
• Inadvertent power
• Inadvertent power lamp relay
• Int lps detent switch sig c3
• Key buzzer
• Lamp request
• Left console courtesy lamp
• Left front door jamb switch
• Left rear door jamb switch
• Liftgate jamb switch c2
• Not used
• Pickup only
• Rear window wiper cutout & liftgate ajar jamb switch
• Right console courtesy lamp
• Right door handle switch
• Right front door jamb c3 switch input
• Right front door jamb switch
• Right rear door jamb switch
• S305 (body harn, in right rear door breakout)
• S427
• S601
• Secondary door latch switch sig
• Sp202
• Sp203
• Sp204
• Splice pack sp203
• Tan
• To dome lamp (diagram 2 of 2)
• To overhead console (diagram 2 of 2)
• To splice s300 (diagram 2 of 2)
• To splice s332 (diagram 2 of 2)
• W/ overhead console only
• W/o overhead console only

Courtesy Lamps Wiring Diagram (2 of 2) for GMC Sonoma 2003

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for GMC Sonoma 2003:

• (dome lamp harn, 5 cm from visor vanity mirror lamp left) s310
• (w/ ec mirror) (w/o ec mirror)
• (w/o ec mirror) (w/ ec mirror)
• C301
• Chmsl breakout)
• Dome lamp
• Dome light
• Driver information display module
• From body relay block (diagram 1 0f 2)
• From body relay block (diagram 1 of 2)
• G202 (left front of dash)
• Inside rearview mirror or driver information display module
• Inside rearview mirror or drver information display w/o overhead console
• Left visor vanity mirror lamp
• Overhead console w/ sun roof
• Overhead console w/o sun roof
• Right visor vanity mirror lamp
• S300 (dome lamp harn, 4 cm from dome lamp breakout)
• S302
• S310
• S332 (dash to dome lamp harn, top of left "a" pillar)
• S332 (dome lamp harn, 6 cm from sunroof breakout)
• W/ full trip

Instrument Illumination Wiring Diagram for GMC Sonoma 2003

List of elements for Instrument Illumination Wiring Diagram for GMC Sonoma 2003:

• (4) bulbs
• (6) bulbs
• (right side of dash) g203
• (w/ trip)
• (w/o trip)
• 2wd pickup & utility
• 4wd pickup
• A12
• Ash tray lamp
• Automatic transmission shift lever position indicator
• B12
• Body control module (under dash, on heater case)
• Body relay block (behind left side of dash)
• Body relay block (left side of dash, right of i/p fuse block)
• C10
• Dim
• Dimmer input c3
• Dimming control
• Driver door lock & window switch
• Driver information center
• Driver information display module
• Exterior lamps system
• Fog lamp switch
• Front passenger door lock & window switch
• G200 (left front of dash)
• G202 (behind upper left end of dash)
• G203 (behind right side of dash)
• G203 (right side of dash)
• G205 (behind right side of dash)
• Garage door opener
• Head
• Headlamp switch
• Hot at all times
• Hvac control assembly
• I/p fuse block (left side of dash)
• Illum fuse 12 10a
• Inflatable restraint i/p module disable switch
• Inflatable restraint steering wheel module coil
• Input dimmer
• Instrument cluster
• Light switch
• Off
• Outside rearview mirror switch
• Park
• Pickup only
• Prk lp fuse 20a
• Prk lp fuse 5 10a
• Prk lps
• Radio
• Rear def switch illum
• Rear wiper/ washer & endgate/ liftglass window release switch
• S205 (dash harn, 8 cm from am/fm radio breakout)
• S282
• S283
• S335 (floor shift extension harn, 7 cm from lamp breakout)
• S336 (floor shift extension harn, 7 cm from lamp breakout)
• S390 (dome lamp harness, 5 cm from console breakout)
• S502 left front door harn, 8 cm from radio speaker breakout)
• Sp202 (left center of dash)
• Sp203 (near ashtray)
• Spice pack sp203
• Spice pack sp204
• Steering wheel controls
• Str whl ill fuse 6 2a
• Tow/ haul switch
• Transfer case shift control switch
• Underhood fuse block (top of left inner wheelwell)
• Utility
• W/ trip
• W/o trip
• Window lockout switch (4 door)