HEADLIGHTS – GMC Yukon 1999 – SYSTEM WIRING DIAGRAMS

HEADLIGHTS

Headlight Wiring Diagram, High Option Content for GMC Yukon 1999

List of elements for Headlight Wiring Diagram, High Option Content for GMC Yukon 1999:

• (crossbody harn, approx 6cm into left door harn breakout)
• (forward lamps harn, approx 12cm from left headlamp breakout toward windshield washer pump)
• (forward lamps harn, approx 9cm from left park lamp breakout) s126
• (i/p harn, approx 7cm from convenience center breakout, toward drl mod) s202
• (i/p harn, near left rear of engine compt) s165
• (i/p harn, near strng col harn breakout; except gas) (i/p harn, near auxiliary power outlet; gas)
• (right side of dash) g201
• Acc
• Anti-theft
• Automatic day/night rearview mirror with compass
• Aux pwr auto headlamps fuse 22 20a
• Battery
• Body control module (in center console)
• Brake ind ctrl
• Brake warn in
• Bulb test
• Conve- nience center (under left side of dash)
• Convenience center (under left side of dash)
• D15
• Daytime running lamps module (behind left side of dash)
• Daytime running lamps relay
• Diode 203
• Drl indicator
• Drl relay ctrl
• Drl-fog fuse 15 20a
• Ext lts
• Exterior lights system
• Fog lamp relay
• Fog lamp switch
• G101 (right front inner fender)
• G108 (left radiator support)
• G134 (right top center of cylinder head)
• G202 (behind left side of dash)
• Gages fuse 4 10a
• Ground
• Hdlp in
• Hdlp out
• Head
• Head- lamp dimmer switch
• Headlamp and panel dimmer switch
• Headlamp control module (lower left side of dash)
• High beam indicator
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block (left side of dash)
• Ignition
• Ignition switch
• Illum lamp
• Ind bulb chk
• Instrument cluster
• Instrument cluster system (brake warning indicator)
• Interior lights system
• Lamp feed
• Left fog lamp
• Left high beam head- lamp
• Left low beam head- lamp
• Lighting fuse 8 50a
• Lock
• Lt sense in
• Nca
• Off
• On indicator
• Park
• Park brake sig
• Park brake warning switch
• Park brk in
• Park lp in
• Park lps in
• Pk lps fuse 9 20a
• Pnk
• Red
• Red c
• Right fog lamp
• Right high beam head- lamp
• Right low beam head- lamp
• Run
• S120 (forward lamps harn, near windshield washer pump breakout, toward left hdlp)
• S121
• S123
• S128
• S204
• S205
• S210
• S213
• S215
• S218
• S225 (i/p harn, approx 12cm from radio harn breakout)
• S247
• S259
• S298
• Start
• Tan
• Underhood fuse/relay center (left rear of engine compt)
• Vehicle interface unit

Headlight Wiring Diagram, with Quad Headlamps for GMC Yukon 1999

List of elements for Headlight Wiring Diagram, with Quad Headlamps for GMC Yukon 1999:

• (forward lamps harn, approx 12cm from left headlamp breakout toward windshield washer pump)
• (i/p harn, near strng col harn breakout; except gas) (i/p harn, near auxiliary power outlet; gas)
• Acc
• Brake ind ctrl
• Brake warn in
• Bulb test
• Convenience center (under left side of dash)
• Daytime running lamps module (behind left side of dash)
• Daytime running lamps relay
• Diode 203
• Drl indicator
• Drl relay ctrl
• Drl-fog fuse 15 20a
• Exterior lights system
• Fog lamp relay
• Fog lamp switch
• G101 (right front inner fender)
• G108 (left radiator support)
• G134 (right top center of cylinder head)
• G202 (behind left side of dash)
• Gages fuse 4 10a
• Ground
• Head
• Head- lamp dimmer switch
• Headlamp and panel dimmer switch
• High beam indicator
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block (left side of dash)
• Ignition
• Ignition switch
• Illum lamp
• Ind bulb chk
• Instrument cluster
• Instrument cluster system (brake warning indicator)
• Interior lights system
• Lamp feed
• Left fog lamp
• Left high beam head- lamp
• Left low beam head- lamp
• Lighting fuse 8 50a
• Lock
• Nca
• Off
• On indicator
• Park
• Park brake sig
• Park brake warning switch
• Pk lps fuse 9 20a
• Pnk
• Red
• Red c
• Right fog lamp
• Right high beam head- lamp
• Right low beam head- lamp
• Run
• S120 (forward lamps harn, near windshield washer pump breakout, toward left hdlp)
• S121
• S123
• S128
• S204
• S205
• S210
• S213
• S215
• S218
• S225 (i/p harn, approx 12cm from radio harn breakout)
• S298
• Start
• Tan
• Underhood fuse/relay center (left rear of engine compt)
• W/ fog lamps

Headlight Wiring Diagram, with Sealed Beam Headlamps for GMC Yukon 1999

List of elements for Headlight Wiring Diagram, with Sealed Beam Headlamps for GMC Yukon 1999:

• (forward lamps harn, approx 12cm from left headlamp breakout toward windshield washer pump)
• (high)
• (i/p harn, near strng col harn breakout; except gas) (i/p harn, near auxiliary power outlet; gas)
• (low)
• A (high)
• A (low)
• Acc
• Brake ind ctrl
• Brake warn in
• Bulb test
• Convenience center (under left side of dash)
• Daytime running lamps module (behind left side of dash)
• Daytime running lamps relay
• Diode 203
• Drl indicator
• Drl relay ctrl
• Drl-fog fuse 15 20a
• Exterior lights system
• Fog lamp relay
• Fog lamp switch
• G101 (right front inner fender)
• G108 (left radiator support)
• G134 (right top center of cylinder head)
• G202 (behind left side of dash)
• Gages fuse 4 10a
• Ground
• Head
• Head- lamp dimmer switch
• Headlamp and panel dimmer switch
• High beam indicator
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block (left side of dash)
• Ignition
• Ignition switch
• Illum lamp
• Ind bulb chk
• Instrument cluster
• Instrument cluster system (brake warning indicator)
• Interior lights system
• Lamp feed
• Left fog lamp
• Left head- lamp
• Lighting fuse 8 50a
• Lock
• Nca
• Off
• On indicator
• Park
• Park brake sig
• Park brake warning switch
• Pk lps fuse 9 20a
• Pnk
• Red
• Red c
• Right fog lamp
• Right head- lamp
• Run
• S120 (forward lamps harn, near windshield washer pump breakout toward left headlamp)
• S121
• S123
• S128
• S204
• S205
• S210
• S213
• S215
• S218
• S225 (i/p harn, approx 12cm from radio harn breakout)
• S298
• Start
• Tan
• Tan c
• Underhood fuse/relay center (left rear of engine compt)
• W/ fog lamps