GROUND DISTRIBUTION – GMC Yukon 1999 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for GMC Yukon 1999

List of elements for Ground Distribution Wiring Diagram (1 of 4) for GMC Yukon 1999:

• (i/p harness, approx 24 cm from instrument cluster breakout)
• (left front of intake manifold)
• (right front of engine)
• A16
• Ashtray lamp
• Audio alarm module
• Automatic transfer case control module
• Automatic transfer case select switch
• Auxiliary cooling fan motor
• Auxiliary heater control switch (suburban/ utility)
• Body control module
• Brake trans- mission shift interlock switch
• C ground strap
• C10
• Cargo lamp switch (pickup)
• Cigar lighter
• Convenience center
• D10
• D12
• D13
• Data link connector
• Daytime running lamps module
• Drl/ radio override switch
• Fog lamp switch
• Front auxiliary power outlet
• Front windshield wiper/ washer pump motor
• G101 (right front side of eng compt, at wheelhousing)
• G101 (right front wheelhouse)
• G105 (right rear of engine compt)
• G108 (left radiator support, near left headlamp)
• G110 (diesel)
• G117 (right rear of engine)
• G119 (gasoline)
• G202 (behind left side of dash)
• Headlamp and panel dimmer switch
• Heater and a/c control switch
• Horn switch
• Hvac control module
• I/p compartment lamp
• Ignition switch
• Inflatable restraint i/p module enable switch
• Key-in warning buzzer switch (upper level)
• Left battery
• Left fog lamp
• Left front door jamb switch
• Left front park/ turn lamp
• Left high beam headlamp
• Left high/ low beam headlamp
• Left horn
• Left low beam headlamp
• Liftgate release switch (suburban/ utility)
• Low coolant level indicator module (diesel)
• Pickup only
• Police package
• Radio
• Rear stereo controller
• Rear window washer pump motor
• Rear window wiper/ washer switch (suburban/ utility)
• Right fog lamp
• Right front door jamb switch
• Right front park/ turn lamp
• Right high beam headlamp
• Right high/ low beam headlamp
• Right horn
• Right low beam headlamp
• S123 (forward lamps harness, approx 23 cm from left park/lamp breakout)
• S128 (forward lamps harness, approx 5 cm from right headlamp breakout)
• S158 (in washer pump jumper harness)
• S204 (i/p harness, approx 10 cm from steering column harn)
• S218 (i/p harness, aprrox 16 cm from dlc breakout)
• S298
• S336 (floor console harn, approx 5 cm from crossbody in-line connector breakout)
• Shock sensor
• Spare
• Spot lamp
• Spot lamp relay
• To s316 (diagram 2 of 4)
• Transfer case control module
• Transfer case select switch
• Turn/ hazard flasher
• Uncoated
• Under- hood lamp
• Vehicle interface unit (upper level)
• W/ dual horns
• W/ quad headlamps
• W/ quad headlamps/ sport package
• Windshield wiper motor module

Ground Distribution Wiring Diagram (2 of 4) for GMC Yukon 1999

List of elements for Ground Distribution Wiring Diagram (2 of 4) for GMC Yukon 1999:

• (4wd harn, approx 10 cm from transfer case relay breakout)
• (eng harn, approx 16 cm into vehicle speed sensor breakout)
• (engine harness, near diode)
• (i/p harness, approx 8 cm from i/p cluster breakout)
• (illuminated vanity mirror jumper, approx 11 cm toward left illuminated vanity mirror)
• (oxygen sensor jumper harn, approx 7 cm from right bank oxygen sensor harn)
• (right front of engine block) g119
• (right front of engine, near thermostat housing)
• 87a
• A/c compressor clutch
• A/c compressor clutch relay
• A/c compressor cycling switch
• A/c compressor pressure switch
• A/c low pressure switch
• Air injection reactor pump (7.4l only)
• Air pump
• Automatic transfer case module
• Brake pressure warning switch
• Cruise control module
• Data link connector
• Diesel
• E16
• Electrochromic rearview mirror w/ compass
• Electronic brake control module
• Evo passlock module
• Except suburban/ utility
• From s204 (diagram 1 of 4)
• Front axle actuator
• Fuel heater
• Fuel pump and sender
• Fuel pump relay
• G110 (left front of engine)
• G119
• G134 (right top center of cylinder head)
• G202 (left side of dash)
• Gasoline
• Glow plug relay
• Heated oxygen sensor (5.0l: bank 1 sensor 2, 5.7l w/ below 8600 gvw: bank 2 sensor 2, 5.7l w/ over 8600b gvw & 7.4l: bank 1 sensor 2)
• Heated oxygen sensor (5.0l: bank 1 sensor 3, 5.7l w/ below 8600 gvw: bank 1 sensor 2, 5.7l w/ over 8600b gvw & 7.4l: bank 2 sensor 2)
• Heated oxygen sensor bank 1 sensor 1
• Heated oxygen sensor bank 1 sensor 2
• Ignition coil module
• Inflatable restraint front end sensor
• Inflatable restraint sensing & diagnostic module
• Instrument cluster
• Left illuminated vanity mirror
• Low coolant level sensor
• Mass airflow sensor
• Park/ neutral position switch
• Right illuminated vanity mirror
• Roof marker lamps
• S103 (eng harn, 5.0l/5.7l: 8 cm from egr, 6.5l/7.4l: 12 cm from starter solenoid breakout)
• S107 (engine harness, 5.0l/5.7l: approx 20 cm egr, 6.5l: approx 40 cm from ebcm, 7.4l: approx 18 cm from ebcm breakout)
• S147 (diesel: eng harn, approx 4 cm from starter motor solenoid, gas: eng harn, approx 5 cm from egr valve breakout)
• S149
• S156
• S162 (5.0l/5.77l: eng harn, 17 cm from starter solenoid breakout, 7.4l: eng harn, approx 15 cm from right bank oxygen sensor breakout)
• S167 (battery harn, at left side of eng compt)
• S185
• S186
• S215
• S302
• S302 (4wd harn, approx 10 cm from transfer case relay breakout)
• S316
• Starter relay
• Stoplamp relay
• Trans range switch
• Transfer case relay
• Transfer case shift switch
• Underhood fuse- relay center
• Vehicle control module
• Vehicle speed sensor
• W/o dual tanks
• Water in fuel sensor
• Water valve (suburban/ utility)

Ground Distribution Wiring Diagram (3 of 4) for GMC Yukon 1999

List of elements for Ground Distribution Wiring Diagram (3 of 4) for GMC Yukon 1999:

• (i/p harness, approx 12 cm from i/p cluster breakout)
• (inside left front door harness, 8 cm from tweeter speaker breakout)
• (left seat harn, approx 5 cm from power seat lumbar switch breakout)
• (right front seat harn, approx 5 cm from power seat lumbar switch breakout)
• (right side of dash)
• A/t only
• Audio amplifier
• Automatic transfer case shift control module
• Auxiliary power connector rear console
• Bench seat
• Body control module
• Cargo lamp
• Center high mount stop- lamp
• Data link connector
• Diesel
• Door lock inversion module
• Door lock relay
• Door lock switch
• E16
• Evo passlock module
• Four-wheel drive indicator lamp
• Front blower motor
• Fuel gage sender
• Fuel pump balance module
• Fuel pump relay
• G134 (front top of engine)
• G201
• Headlamp control module
• Heated mirror relay
• High blower motor relay
• Instrument cluster
• Interior lamp control module
• Left front power window switch
• Left front seat belt switch
• Left power lumbar support motor
• Left power seat adjuster switch
• Left rear heated seat element
• Left rear heated seat module
• Left rear heated seat switch
• Left rear power window switch
• Left rear seat belt switch
• Mass airflow sensor
• Mode door motor
• Others
• Pickup/ extended & crew only
• Power amplifier
• Power amplifier relay
• Power outside rearview mirror switch
• Powertrain control module
• Rear window lockout switch
• Recirculation door motor
• Remote control door lock receiver
• Right front power lumbar support motor
• Right front power outside rear view mirror motor
• Right front power seat adjuster switch
• Right front power seat lumbar motor
• Right front power window switch
• Right front seat belt switch
• Right power lumbar motor
• Right rear heated seat element
• Right rear heated seat module
• Right rear heated seat switch
• Right rear power window switch
• Right rear seat belt switch
• S103 (engine harness, approx 12 cm from starter solenoid breakout)
• S215
• S227
• S228
• S244 (hvac harn, approx 8cm from recirculation door breakout)
• S251 (crossbody harness, approx 13cm right of left door harness breakout)
• S259 (crossbody harness, approx 7 cm into seat belt switch breakout)
• S317 (taillamp extension harness, approx 10 cm from fuel gage sender breakout)
• S330 (floor console harn, approx 13 cm from heated seat breakout)
• S337 (left rear heated seat harn)
• S338 (right rear heated seat harn)
• S500
• Secondary fuel gage sender
• Security led
• Suburban only
• Temperature door motor
• Transfer case mode selector illumination lamp
• Under- hood fuse- relay center
• Upper level
• Vehicle speed sensor buffer
• W/ a/c
• W/ dual tanks
• W/ pwr wd
• W/ rke
• W/o a/c
• W/o pwr wd
• W/o rke
• Window defogger grid

Ground Distribution Wiring Diagram (4 of 4) for GMC Yukon 1999

List of elements for Ground Distribution Wiring Diagram (4 of 4) for GMC Yukon 1999:

• (auxiliary hvac harn, approx 7 cm from blower motor resistor breakout)
• (diesel)
• (front-to-rear body harn, appr0x 8 cm from chmsl breakout)
• (gas)
• (license lamps harness, approx 8 cm from tail- lamp harness breakout)
• (rear lamps harness, 17-33 cm from taillamps extension breakout)
• (right front seat harn, approx 5 cm from power seat lumbar switch breakout) s321
• Auxiliary blower motor
• Auxiliary heater- a/c logic module
• Auxiliary mode door motor
• Auxiliary temp door motor
• Cargo door lock relay
• Cargo doors
• Center high mount stoplamp
• Chassis cab & heavy duty
• Door lock control module (w/ cargo doors)
• Endgate marker lamps
• Except chassis cab & heavy duty
• Front auxiliary heater-a/c control module
• Front dome lamp
• Fuel pump & sender
• G305 (right 'b' pillar)
• G415 (left frame rail, behind bumper)
• G416 (inside left framerail, near rear crossmember)
• Garage door opener
• In-line resistor
• Left cargo door defogger grid
• Left door contact button
• Left front clearance lamp
• Left license lamp
• Left rear clearance lamp
• Left rear tail, stop, license, turn & backup lamps
• Left rear tail, stop, turn & backup lamps
• Left tail, stop, turn & backup lamps
• Lift gate
• Liftgate release relay
• Nca
• Overhead console lamps
• Pickup w/ dual rear wheels
• Reading lamp overhead console
• Rear auxiliary heater-a/c control module
• Rear auxiliary power connector
• Rear dome lamp
• Rear door jamb switch
• Rear liftgate window defogger grid
• Rear wiper motor module
• Right cargo door defogger grid
• Right door contact button
• Right front clearance lamp
• Right license lamp
• Right rear clearance lamp
• Right rear tail, stop, license, turn & backup lamps
• Right rear tail, stop, turn & backup lamps
• Right tail, stop, turn & backup lamps
• S307 (rear hvac control harness, approx 10 cm from hvac logic module breakout)
• S319 (taillamp extension harn, approx 7cm from fuel pump and sender breakout)
• S403
• S410 (front to rear lamps harness, 1213 cm from right rear door speaker breakout)
• S411
• S411 (rear lamps harness, 17-33 cm from taillamps extension breakout)
• S416
• S424
• Suburban & utility
• Trailer ground (taped back)
• Upper level
• W/ dual tanks