INTERIOR LIGHTS – GMC Yukon 1999 – SYSTEM WIRING DIAGRAMS

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram, Base for GMC Yukon 1999

List of elements for Courtesy Lamps Wiring Diagram, Base for GMC Yukon 1999:

• (crossbody harn, approx 22 cm from left door harn breakout)
• (i/p harn, approx 6 cm from i/p compt box lamp breakout) s208
• (w/ rke)
• Bat
• Braided ground strap
• Cargo door jamb switch (suburban/ utility only)
• Courtesy lamps
• Ctrl
• Ctsy fuse 3 20a
• Dome defeat
• Dome lamp defeat
• Door jamb
• Door lock control module (in front of left rear wheelwell)
• Front dome/ reading lamps
• G201 (right side of dash)
• G202 (behind left side of dash)
• G305 (right "b" pillar)
• Gages fuse 4 10a
• Gnd
• Headlamp & panel dimmer switch
• Horn fuse 20a
• Hot at all times
• Hot in run, bulb test or start
• I/p compart- ment box lamp
• I/p fuse block
• Ign sw
• Interior lamp control module (under center of dash)
• Lamp out
• Left
• Left front door courtesy lamp (if equipped)
• Left front door jamb switch
• Left i/p courtesy lamp
• Left illuminated vanity mirror
• Left rear door courtesy lamp (if equipped)
• Mirrors system
• Nca
• Overhead console lamps circuit
• Pnk
• Pnk a
• Pnk j
• Rear dome/ reading lamps (if equipped)
• Rear door jamb switch (if equipped)
• Remote control door lock receiver (behind center of dash)
• Right
• Right front door courtesy lamp (if equipped)
• Right front door jamb switch
• Right i/p courtesy lamp
• Right illuminated vanity mirror
• Right rear door courtesy lamp (if equipped)
• S113
• S204
• S209 (i/p harn, approx 13 cm from i/p compt box lamp breakout)
• S213
• S218
• S242
• S246
• S248
• S251
• S262 (crossbody harn, approx 19-25 cm from seat belt switch breakout)
• S312
• S316
• S410
• S417 (4 door) (2 door) (front to rear (front to body harn, rear body approx 20 cm harn, approx into crossbody 34 cm from front harn dome lamp breakout) breakout)
• S426
• Underhood fuse/relay center
• Underhood lamp
• W/ overhead console
• W/ rke
• W/o overhead console
• W/o rke

Courtesy Lamps Wiring Diagram, Up Level for GMC Yukon 1999

List of elements for Courtesy Lamps Wiring Diagram, Up Level for GMC Yukon 1999:

• (crossbody harn, 25 cm from seat belt switch breakout) s262
• (crossbody harn, approx 22 cm from left front door harn breakout)
• (crosscar harn, 35 cm before left front door harn breakout)
• (front to rear harn, 12 cm from inline conn breakout) s426
• (i/p harn, 12 cm from inflatable restraint switch breakout) s242
• (i/p harn, approx 13 cm from i/p compt box lamp breakout) s209
• Ajar switch c1
• Automatic day/night rearview mirror w/ compass
• Bat
• Body control module (in center console)
• Braided ground strap
• Cargo door jamb switch
• Courtesy lamps
• D11
• Dome lamp defeat
• Door ajar switch
• Front dome/ reading lamps
• G201 (right side of dash)
• G202 (behind left side of dash)
• G305 (right "b" pillar)
• Ground a
• Headlamp & panel dimmer switch
• Horn fuse 20a
• Hot at all times
• I/p compart- ment box lamp
• Ign b fuse 5 50a
• Lamp feed
• Lamp return
• Left
• Left front door courtesy lamp
• Left front door jamb switch
• Left i/p courtesy lamp
• Left rear door courtesy lamp
• Left sunshade mirror lamp
• Mirrors system
• Nca
• Overhead console reading lamps
• Pass dr d12
• Rear dome/ reading lamps
• Rear door jamb switch
• Red
• Right
• Right front door courtesy lamp
• Right front door jamb switch
• Right i/p courtesy lamp
• Right rear door courtesy lamp
• Right sunshade mirror lamp
• S113
• S167
• S204
• S218
• S246
• S248
• S316
• S320
• S321
• S330
• S410
• S417 (frt to rr body harn, approx 23 cm into convenience center)
• Tan
• Underhodd fuse/relay center
• Underhood fuse/relay center
• Underhood lamp

Instrument Illumination Wiring Diagram (1 of 2) for GMC Yukon 1999

List of elements for Instrument Illumination Wiring Diagram (1 of 2) for GMC Yukon 1999:

• (6) bulbs
• (behind left side of dash)
• (front to rear body harn, 5 cm from auxiliary hvac fan switch breakout)
• (i/p harn, near i/p cluster breakout) s217
• Audio alarm module (on convenience center)
• Automatic transfer case control switch (luxury) c1
• Automatic transfer cash select switch
• Auxiliary heater control switch (subur- ban/ utilitiy only)
• Base
• Cargo lamp switch (pickup only)
• Conven- ience center
• Daytime running lamp (drl)/ radio override switch
• Daytime running lamps (drl)/ radio override switch
• Display dim sig
• Fog lamp switch
• Front auxiliary hvac control lamp
• G131 (near thermostat housing)
• G201 (right side of dash)
• G202
• G305 (at right "b" pillar)
• Headlamp & panel dimmer switch
• Hot at all times
• Hvac control lamp
• I/p fuse block
• Illum fuse 14 10a
• Illumination
• Inflatable restaint i/p module switch
• Instrument cluster
• Liftgate release switch (subur- ban/ utilitiy only)
• Luxury
• Off
• Parade mode sw
• Park
• Park lps fuse 9 20a
• Pickup/ extended cab only
• Radio
• Rear auxiliary hvac control lamp
• Rear auxiliary hvac control switch
• Rear window wiper/ washer switch (subur- ban/ utilitiy only)
• Rheo- stat
• S204
• S215
• S216 (i/p harn, near i/p cluster breakout)
• S218
• S253 (cross- body harn, near i/p harn breakout)
• S259
• S307
• S310
• Suburban & utility only
• Transfer case shift illumination lamp
• Transfer case switch
• Z56 only

Instrument Illumination Wiring Diagram (2 of 2) for GMC Yukon 1999

List of elements for Instrument Illumination Wiring Diagram (2 of 2) for GMC Yukon 1999:

• (behind left side of dash)
• (crossbody harn, approx 6 cm in left door harn breakout)
• (floor console harn, 12 cm from cd player harn breakout) s333
• (right side of dash)
• Ash tray lamp
• Body control module (in center console)
• Exterior lights system
• G201
• G202
• G305 (right "b" pillar)
• Garage door opener lamp
• Headlamp & panel dimmer switch
• Hot at all times
• I/p fuse block
• Left front power window switch
• Left rear heated seat switch
• Left rear power window switch
• Off
• Parade mode sw
• Park
• Park lps fuse 9 20a
• Power outside rearview mirror switch
• Rear stereo controller
• Rear window lockout switch
• Rheo- stat
• Right front power window switch
• Right rear heated seat switch
• Right rear power window switch
• S210 (i/p harn, approx 12 cm from steering column harn breakout)
• S218
• S247
• S251
• S259
• S321
• S330
• S336
• S500
• S502 (left front door harn, near tweeter)

Overhead Console Lamps Wiring Diagram, Base for GMC Yukon 1999

List of elements for Overhead Console Lamps Wiring Diagram, Base for GMC Yukon 1999:

• (front to rear body harn, approx 34 cm from front dome lamp breakout) (2 door) s417
• (under center of dash) (w/o rke) interior lamp control module
• Courtesy lamps
• Courtesy lamps circuit
• Ctsy fuse 3 20a
• Front dome/ reading lamps
• G202 (behind left side of dash)
• G305 (right "b" pillar)
• Headlamp & panel dimmer switch
• Hot at all times
• I/p fuse block
• Int lamp output
• Int lamp output c1
• Overhead console reading lamps
• Rear dome/ reading lamps
• Remote control door lock receiver (w/rke) (behind center of dash)
• S204
• S209 (i/p harn, approx 13 cm from i/p compt lamp breakout)
• S246 (crossbody harn, approx 22 cm from left door harn breakout)
• S320
• S321
• S410
• S426