GROUND DISTRIBUTION – Chevrolet Chevy Express G1500 2011 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Chevrolet Chevy Express G1500 2011

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Chevrolet Chevy Express G1500 2011:

• (4 speed a/t) automatic transmission
• (4 speed a/t) park/ neutral position (pnp) switch
• (4 speed a/t) transmission control module (tcm)
• (4.3l)
• (4.3l) ignition control module (icm)
• (4.8l/5.3l/ 6.0l)
• (5.3l) fuel pump flow control module
• (6 speed a/t) automatic transmission
• (6.6l) engine cooling fan
• (6.6l) fan clutch (ev) relay
• (6.6l) vacuum pump
• (except 6.6l) engine control module (ecm)
• (except 6.6l) mass air flow (maf)/ intake air temperature (iat) sensor
• (in forward lamp harness, 12 cm from left headlight connector breakout)
• (light duty) brake pressure differential switch
• (manual a/c) a/c compressor clutch
• (on left front of engine compt) g100
• (w/ chrome grille radiator) left high beam headlamp
• (w/ chrome grille radiator) left low beam headlamp
• (w/ chrome grille radiator) right high beam headlamp
• (w/ chrome grille radiator) right low beam headlamp
• (w/o chrome grille radiator) left headlamp
• (w/o chrome grille radiator) right headlamp
• 4.3l/5.3l
• 4.8l & 6.0l
• 4.8l/5.3l/6.0l
• Auxiliary battery
• Battery
• Blower motor resistor assembly
• Body control module (bcm)
• Brake fluid level switch
• Control solenoid valve assembly
• Crnk relay
• Electronic brake control module (ebcm)
• Engine control module (ecm)
• Engine control module (ecm) & fuel pressure regulator 1 shield
• Engine control module (ecm) & fuel pressure regulator 2 shield
• Engine oil level (eol) switch
• Exhaust gas recirculation (egr) valve shield
• Fuel filter pressure switch
• Fuel pump relay
• G101 (on right front of engine compt)
• G102 (4.3l: right rear of engine) (4.8l, 5.3l & 6.0l: on left rear of engine) (6.6l: left front lower side of engine block)
• G103 (4.3l: left rear of engine) (4.8l, 5.3l & 6.0l: on right rear of engine) (6.6l: left front lower side of engine block)
• G104 (on lower right front of engine)
• G105 (on right front frame rail, in engine compt)
• G106 (on right front of engine compt)
• G110 (6.6l)
• G111 (6.6l)
• G300 (on left frame rail, near ebcm)
• G305 (6.6l) (left center outer frame rail, near secondary battery)
• Glow plug control module
• Horn assembly
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil 7
• Ignition coil 8
• J102 (6 cm from map sensor breakout)
• J118 (in forward lamp harness, 13 cm from right headlight connector breakout)
• J182 (in odd ignition/coil module jumper harness, on top left side of engine)
• J183 (in even ignition/ coil module jumper harness, on top right side of engine)
• J315 (in chassis harness, 10 cm from g300 breakout)
• Left front marker lamp
• Left park/turn signal lamp
• Nca
• Right front marker lamp
• Right park/turn signal lamp
• Run/ crank relay
• Stop lamps pcb relay k11
• Underhood fuse block (on left side of engine compt)
• Underhood lamp
• W/o active brake control w/ active brake control
• Windshield wiper motor
• Wiper diode
• Wiper hi diode
• Wpr pcb relay
• X100
• X175

Ground Distribution Wiring Diagram (2 of 4) for Chevrolet Chevy Express G1500 2011

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Chevrolet Chevy Express G1500 2011:

• (6.6l) engine coolant level switch
• (if equipped) radio
• (in dash harness, 36 cm from x200 breakout) j247
• (in dash harness, 5 cm from inflatable restraint i/p module connector breakout)
• (in instrument panel harness)
• (in steering column harness, 25 cm from x200 connector)
• (not used)
• (rv upfitter & ambulance upfitter) upftr ctsy lamp 5 pcb relay k8
• (rv upfitter, cutway upfitter & ambulance upfitter) upftr aux2 relay k4
• (w/ active brake control) traction control switch (tcs)
• (w/ brake warning indicator) brake booster fluid flow alarm switch
• (w/ cigarette lighter ashtray) cigar lighter (w/o cigarette lighter ashtray) center console 1 accessory power outlet
• (w/ rear window defogger & power mirrors) rear defog relay k5
• (w/o radio) chime module
• Air temperature actuator
• Ambient light sensor
• Automatic transmission shift lock control solenoid
• Bck/up lamp pcb relay k7
• Body control module (bcm)
• Body fuse block (under left front seat)
• Body fuse block (under left x1 front seat)
• Cargo dr unlock pcb relay k10b
• Center console 2 accessory power outlet
• Data link connector (dlc)
• Driver information center (dic) switch
• Drv unlck pcb relay k9b
• Electronic compass module
• Ftr rear dr lock pcb relay k10a
• Ftr rear pass dr unlck pcb relay k9a
• G301 (behind left kick panel)
• G302 (behind left kick panel)
• G304 (behind right kick panel)
• Headlamp & panel dimmer switch
• Heavy duty
• Horn switch
• Hvac control assembly
• Inflatable restraint front passenger presence system (pps) sensor
• Inflatable restraint i/p module disable switch
• Inflatable restraint i/p module indicator
• Inflatable restraint sensing & diagnostic module (sdm)
• Inflatable restraint steering wheel module coil
• Inflatable restraint vehicle rollover sensor
• Instrument panel cluster (ipc)
• J210 (in steering wheel harness, near x200 connector)
• J244 (in instrument panel harness, 5 cm from x200 breakout towards instrument cluster panel)
• J248 (in dash harness, 8 cm from x200 breakout)
• J264 (in steering column harness, 29 cm from x200)
• Left steering wheel control switch
• Light duty
• Rap relay k6
• Redundant radio steering wheel controls
• Remote control door lock receiver (rcdlr)
• Right steering wheel control switch
• Run relay k1
• Rv upfitter
• Steering wheel speed/ position sensor
• Theft deterrent module
• Tow/ haul switch
• Turn signal/ multi-function switch
• W/ automatic electronic cruise control
• W/ automatic electronics cruise control &
• W/ compass display
• W/ electric side door lock control
• W/ rear window defogger & power mirrors
• W/ redundant radio steering wheel control
• W/ remote keyless entry & low tire pressure indicator
• W/o automatic electronics cruise control &
• W/o manual suppression switch & rv upfitter
• Windshield washer fluid pump
• Windshield wiper motor
• X100
• X200
• X205
• X222
• X306
• X318

Ground Distribution Wiring Diagram (3 of 4) for Chevrolet Chevy Express G1500 2011

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Chevrolet Chevy Express G1500 2011:

• (if equipped) auxiliary blower motor switch
• (if equipped) driver seat adjuster switch
• (if equipped) passenger seat adjuster switch
• (not used) c
• (passenger/ cargo) right rear door jamb switch
• (w/ auxiliary heater plumbing & heater) (not used) b
• (w/ left rear hinged door) left rear door jamb switch
• Auxiliary hvac control module
• Cm from front courtesy breakout)
• Cutaway upfitter
• Dome lamp
• Driver door latch
• Driver door lock switch
• Driver outside rearview mirror
• Driver window switch
• From jx348 (diagram 3 of 4)
• Front auxiliary hvac control assembly
• Front dome/ reading lamps
• G347 (on bottom of left "b" pillar)
• G348 (right side of passenger compt, lower right of "b" pillar)
• If equipped
• J500 (in left front door harness, 6 cm from left front door speaker breakout)
• J501 (in left front door harness, 7 cm from left front door speaker breakout)
• J600 (in right front door harness, 7 cm from right front door speaker breakout)
• J601 (in right front door harness, 5 cm from passenger outside rearview mirror breakout)
• Left sunshade
• Left vanity mirror lamp
• Nca
• Outside rearview mirror switch
• Passenger door latch
• Passenger door lock switch
• Passenger outside rearview mirror
• Passenger window switch
• Rear auxiliary hvac control assembly
• Right sunshade
• Right vanity mirror lamp
• Rv upfitter
• Rv upfitter (not used) p
• Splice block jx347
• Splice block jx348
• To front dome/ reading lamps (diagram 3 of 4)
• W/ electronic side door lock control
• W/ power mirrors & windows
• W/ rear a/c & front vanity mirror w/o rv upfitter
• W/ rear a/c & rv upfitter
• W/ rear a/c & rv upfitter, swb passenger
• W/ rear a/c w/o rv upfitter
• W/o electronic side door lock control
• W/o power mirrors & windows
• W/o rear a/c & front vanity mirror w/ cutaway upfitter
• X205
• X306
• X320
• X321
• X409
• X500
• X600

Ground Distribution Wiring Diagram (4 of 4) for Chevrolet Chevy Express G1500 2011

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Chevrolet Chevy Express G1500 2011:

• (6.6l) fuel heater
• (6.6l) fuel pump
• (6.6l) reductant link heater
• (6.6l) reductant pump
• (6.6l) reductant sensor module
• (6.6l) reductant tank heater
• (cargo w/o rv upfitter) dome lamp
• (if equipped) backup alarm
• (not used) g
• (w/ rear window defogger) left rear window defogger grid
• 5.3l w/o backup alarm
• Auxiliary air temperature actuator
• Auxiliary blower motor
• Auxiliary mode actuator
• Cargo door latch
• Cargo door lock switch
• Center high mounted stop lamp (chmsl)
• Coolant heater
• Dome lamp
• Except 5.3l
• Except 5.3l w/ backup alarm
• Front cargo fluorescent work lamp
• Fuel pump & sender assembly
• Fuel pump coolant heater
• G400 (on inner left rear frame rail)
• G401 (on top of right "d" pillar)
• G402 (on top of left "d" pillar)
• G403 (w/ commercial tradesman sales package) (on center of left "d" pillar)
• J300 (in prp/uf2 harness, 42 cm from left front side front access panel actuator)
• J330 (in rear headliner harness, 30 cm from x420)
• J402 (cutaway: in chassis harness, 24 cm from g400 breakout) (passenger/cargo: in chassis harness, 16 cm from g400 breakout)
• J403 (in body harness, 6 cm from g401 breakout)
• J410 (in body harness, 47 cm from x401 breakout)
• J411 (in rear hvac harness, 6 cm from auxiliary blower motor connector breakout)
• J901 (in rear cargo door harness, 35 cm from x902)
• J902 (in right rear door harness, 19 cm from license lamp connector breakout)
• Left backup lamp
• Left front access panel fluorescent work lamp
• Left front side front access panel actuator
• Left front side rear access panel actuator
• Left rear access panel fluorescent work lamp
• Left rear side front access panel actuator
• Left rear side rear access panel actuator
• Left tail/stop & turn signal lamp
• License lamp
• Middle dome/ reading lamps
• Nca
• Passenger
• Passenger/cargo & 4.3l/4.8l/6.0l
• Rear auxiliary hvac control assembly
• Rear cargo fluorescent work lamp
• Rear dome/ reading lamps
• Right access panel fluorescent work lamp
• Right backup lamp
• Right rear window defogger grid
• Right side front access panel actuator
• Right side rear access panel actuator
• Right tail/stop & turn signal lamp
• Trailer connector b
• W/ auxiliary heater w/o rear a/c
• W/ auxiliary heater, rear a/c & rear window defogger
• W/ cargo lamps
• W/ electronic side door lock control
• W/ fuel fired auxiliary heater
• W/ rear a/c
• W/ rear a/c & swb
• W/ rear window defogger
• W/ truck trailer hd wiring harness
• W/o auxiliary heater & rear a/c
• W/o electronic side door lock control
• W/o rear window defogger
• W/o truck trailer hd wiring harness
• X400
• X405
• X420