GROUND DISTRIBUTION – Chevrolet Chevy Express G2500 1998 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Chevy Express G2500 1998

List of elements for Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Chevy Express G2500 1998:

• (forward lamp harness, approx 19 cm into left forward lamp breakout)
• (forward lamp harness, approx 22 cm into right forward lamp breakout)
• (i/p harness, approx 4 cm from radio breakout)
• (lower i/p harness, approx 15 cm from connector near i/p compartment door)
• (not used) e13
• (upfitter provision)
• (w/ upfitter provisions)
• A/t shift lock solenoid
• Ashtray lamp
• Auxiliary battery (6.5l vin f)
• Auxiliary power outlet
• Battery
• C210
• Cigarette lighter
• Convenience center
• Convenience center (left side of dash)
• Data link connector
• Daytime running lamp control module
• Daytime running lamps relay
• From s500 (diagram 2 of 3)
• From s601 (diagram 2 of 3)
• G100 (left front of engine compt)
• G100 (left side
• G100 (left side of engine compartment)
• G101 (right front
• G101 (right front of engine compt)
• G113 (middle of left frame rail)
• G116 (under brake master cylinder)
• G118 (right lower front of engine)
• G119 (right frame rail, near front of engine)
• G200 (behind left kick panel)
• G203 (right kick panel)
• Headlamp switch
• Heater and a/c controller
• I/p compartment lamp
• I/p relay center
• Ignition switch
• Illuminated entry module
• Instrument cluster
• Left front park and turn signal lamp (inner) (w/ composite headlamps)
• Left front park and turn signal lamp (outer) (w/ composite headlamps)
• Left front park and turn signal lamp (w/ sealed beam headlamps)
• Left front side marker lamp
• Left headlamp (w/ sealed beam headlamps)
• Left high beam headlamp (w/ composite headlamps)
• Left low beam headlamp (w/ composite headlamps)
• Left power seat switch
• Left sun shade mirror lamp
• Low engine coolant level indicator module (diesel)
• Low engine coolant level indicator sensor (diesel)
• Multi- function alarm module
• Nca
• Of engine compt)
• P/b booster fluid flow switch
• Power antenna assembly
• Power door lock control module
• Power door lock relay
• Radio
• Remote control door lock receiver
• Right front park and turn signal lamp (inner) (w/ composite headlamps)
• Right front park and turn signal lamp (outer) (w/ composite headlamps)
• Right front park and turn signal lamp (w/ sealed beam headlamps)
• Right front side marker lamp
• Right headlamp (w/ sealed beam headlamps)
• Right high beam headlamp (w/ composite headlamps)
• Right low beam headlamp (w/ composite headlamps)
• Right sun shade mirror lamp
• S201 (i/p harness, approx 6 cm from park brake warning switch breakout)
• S202
• S204 (sun shade harness, approx 60 cm from breakout to connector behind right kick panel)
• S205
• S206 (upfitter provision-crossbody harness, approx 24 cm from power door lock relay breakout, others-crossbody harness, approx 4 cm from breakout to connector near left side of dash)
• Seat belt switch
• Side door jamb switch (w/ upfitter provisions)
• Steering column ground
• Temperature valve actuator motor
• Upfitter provisions relay
• W/ upfitter provisions
• W/o keyless entry
• Windshield washer pump motor
• Windshield wiper motor

Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Chevy Express G2500 1998

List of elements for Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Chevy Express G2500 1998:

• (4.3l-engine harness, approx 20 cm from knock sensor breakout, 5.0l or 5.7l-engine harness, approx 4 cm from ignition coil breakout, 7.4l-engine harness, approx 14 cm from fuel injector breakout)
• (4.3l-engine harness, approx 4 cm from fuel injector breakout, 5.0l or 5.7l-approx 10 cm from egr sensor breakout, 7.4l-engine harness, approx 4 cm from ect sensor breakout)
• (5.0l, 5.7l, 7.4l) g110 (4.3l) g119
• (front of engine)
• (front of engine, near thermostat housing)
• (i/p harness, approx 40 cm from bulkhead connector)
• (left front door harness, approx 7 cm from power window switch breakout)
• (left front of engine) (right front of engine)
• (o2s jumper harness, 15-77 cm from breakout to connector near starter motor)
• (right front door harness, approx 7 cm from power window switch breakout)
• (underhood lamp harness, approx 4 cm from breakout to connector near blower motor)
• 4.3l
• 4.3l, gvw over 8500 lbs., federal emissions
• 5.0/ 5.7l
• 5.0l, 5.7l, 7.4l
• 7.4l
• 7.4l only
• 7.4l/ 4.3l
• A/c compressor clutch coil
• A/c low pressure cutout switch
• B13
• Blower motor resistor/ relay
• Brake pressure differential switch
• Cruise control module
• Data link connector
• Diode
• Electronic brake control module
• Evap emission canister vacuum switch
• Evo/ passlock module
• Except 7.4l
• Fuel pump and sender
• Fuel pump relay
• G125
• G200 (left kick panel)
• Gasoline engines
• Heated oxygen sensor bank 1 sensor 3
• Heated oxygen sensor, bank 1 sensor 1
• Heated oxygen sensor, bank 1 sensor 2
• Heated oxygen sensor, bank 1 sensor 3
• Heated oxygen sensor, bank 2 sensor 1
• Horns
• Ignition control module
• Inflatable restraint front end discriminating sensor
• Inflatable restraint sensing and diagnostic module
• Instrument cluster
• Left front door jamb switch
• Left front power door lock switch
• Left front power side window switch
• Left power outside rear view mirror
• Mass air flow sensor
• Nca
• Others
• Others except 7.4l
• Park/ neutral position switch
• Power outside rear view mirror remote control switch
• Right front door jamb switch
• Right front power door lock switch
• Right front power side window switch
• Right power outside rear view mirror
• S101
• S102 (4.3l-engine harness, approx 22 cm from egr sensor breakout, 5.0l, 5.7l-engine harness, approx 37 cm from ect sensor breakout, 7.4l-engine harness, approx 5 cm from maf sensor breakout)
• S103
• S104
• S112
• S152 (7.4l-engine harness, 5 cm from oxygen sensor breakout, except 7.4l-engine harness, 4-16 cm from fuel injector breakout)
• S208 (i/p harness, approx 7 cm into inflatable restraint sensing and diagnostic module breakout)
• S301
• Secondary air injection reaction pump clutch (7.4l only)
• Starter relay
• To s206 (diagram 1 of 3)
• Underhood fuse-relay center
• Underhood lamp
• Underhood reel lamp
• Vehicle control module

Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Chevy Express G2500 1998

List of elements for Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Chevy Express G2500 1998:

• (aux heater and a/c harness, approx 14 cm from front aux hvac module breakout)
• (engine harness, approx 22 cm from optical fuel temperature sensor breakout)
• (i/p harness, approx 40 cm from bulkhead connector)
• (left front of engine)
• (underhood lamp harness, approx 4 cm from breakout to connector near blower motor)
• (upfitter provision-left body harness, approx 7 cm from breakout to connector behind left rear wheelhouse, others-left body harness, approx 7 cm from breakout to connector behind left rear lens assembly)
• A/c compressor clutch coil
• Ambulance package
• Auxiliary blower motor
• Auxiliary blower motor switch
• B13
• Blower motor resistor/ relay
• Brake pressure differential switch
• Center high mounted stoplamp
• Data link connector
• Diesel engines
• Diode
• Electronic brake control module
• Evo/ passlock module
• Front auxiliary hvac control module
• Fuel heater
• Fuel lift pump
• Fuel pump relay
• Fuel sender buffer module
• G110
• G125 (front of engine, near thermostat housing)
• G402 (left rear interior, behind rear wheelhouse)
• G403 (right rear interior, behind rear wheelhouse)
• Glow plug relay
• Heater and a/c control logic module
• Horns
• Instrument cluster
• Left back-up lamp
• Left rear park/ stop lamp
• Left rear park/ turn lamp
• License lamp
• Nca
• Park/ neutral position switch
• Passenger vans only
• Powertrain control module
• Rear auxiliary hvac control module
• Rear auxiliary mode valve and seal assembly
• Rear auxiliary temperature valve assembly
• Right back-up lamp
• Right power seat switch
• Right rear door jamb switch
• Right rear park/ stop lamp
• Right rear park/ turn lamp
• S101
• S102 (engine harness, approx 4 cm from main harness breakout)
• S104
• S112
• S303 (right body harness, approx 7 cm from side door jamb switch)
• S318
• S400
• S401 (left body harness, approx 7 cm from connector breakout to left rear of vehicle)
• S411 (rear a/c harness, approx 7 cm from o/s air valve actuator breakout)
• S421 (center high mount stoplamp harness, approx 60 cm from breakout to connector under rear center of headliner)
• S904 (right rear door harness, approx 29 cm from door jamb switch breakout)
• S909 (right taillamp harness, approx 7 cm from pass-through grommet)
• S910 (left taillamp harness, approx 7 cm from pass-through grommet)
• Side door jamb switch
• Starter relay
• Underhood fuse-relay center
• Underhood lamp
• Underhood reel lamp
• Vehicle speed sensor buffer
• W/ auxiliary heat & a/c
• W/ auxiliary heat only
• Water-in- fuel indicator