GROUND DISTRIBUTION – Chevrolet Silverado 1500 2012 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 6) for Chevrolet Silverado 1500 2012

List of elements for Ground Distribution Wiring Diagram (1 of 6) for Chevrolet Silverado 1500 2012:

• (automatic a/c) heater coolent pump
• (diesel) fan relay
• (diesel) reductant line heater
• (diesel) reductant pump
• (diesel) reductant tank heater
• (hybrid propulsion) right generator control module coolant pump
• (if equipped) left front fog lamp
• (if equipped) right front fog lamp
• (if equipped) right horn
• (in auxiliary battery harness) j145
• (left side of engine compt) auxiliary fuse block
• (left side of engine compt) underhood fuse block
• (w/ 2 speed electric
• (w/ 2 speed manual shift control transfer case) transfer case shift control switch
• (w/ 2 speed manual/electric
• (w/ hybrid propulsion) left generator control module coolant pump
• 4.8l, 5.3l, 6.0l & 6.2l
• A/c compressor clutch
• Auxiliary battery relay (if equipped)
• Auxiliary battery run relay (if equipped)
• Battery current sensor (gasoline)
• Bck/up lamp pcb relay
• Chevrolet
• Chmsl pcb relay
• Cooling fan diode 1 (w/ 10 series)
• Diesel
• Diesel w/ auxiliary battery
• Engine cooling fan (diesel)
• Except diesel
• Except hybrid
• Except hybrid & w/ 10 series
• Fan cntrl relay
• Fan ctrl relay
• Fan low relay
• From ground g103 (diagram 2 of 6)
• Front drive axle actuator
• Front washer diode
• Fuel pmp relay
• G100 (except diesel: on lower left radiator support) (diesel: left front corner of engine compt)
• G101 (except diesel: on lower right radiator support) (diesel: right front corner of engine compt)
• G102 (except 4.3l) (lower left front of engine)
• G104 (front of left cylinder head)
• G107 (4.3l) (top left rear of engine)
• G108 (on left side of firewall)
• Gas
• Gmc
• Hood ajar switch
• Hybrid
• Ignition coil
• J100 (in forward lamp harness, 7 cm from ambient air temperature sensor breakout)
• J101 (in forward lamp harness)
• J102 (in left headlamp harness)
• J103 (in right headlamp harness)
• J105 (4.3l (vin x): in engine 12 cm from ect harness, sensor breakout) (6.0l (vin j): in engine harness, approximately 18.5 cm from breakout to mass air flow/intake air temperature sensor)
• J117
• J141 (in pto jumper harness)
• Left battery
• Left engine cooling fan
• Left engine cooling fan resistor
• Left front side marker lamp
• Left high beam headlamp
• Left horn
• Left low beam headlamp
• Lower left park/turn signal lamp
• Lower right park/turn signal lamp
• Nca
• Rear defog relay
• Right battery
• Right front side marker lamp
• Right high beam headlamp
• Right low beam headlamp
• Run/ crnk relay
• Shift control transfer case & active 2 speed push button control transfer case)
• Strtr relay
• To auxiliary fuse block (diagram 2 of 6)
• To ground g103 (diagram 2 of 6)
• To right engine cooling fan (diagram 2 of 6)
• Transfer case shift control module
• Upper left park/turn signal lamp
• Upper right park/turn signal lamp
• W/ dual battery
• W/ keyless entry & pto
• W/ pto
• Windshield washer fluid level switch
• Windshield washer fluid pump
• Windshield wiper motor
• Wiper control pcb relay
• Wiper high speed diode
• Wiper low speed diode
• X1 a1
• X1 b
• X106 f
• X109 b7
• X110 d
• X111 a
• X113 a
• X122 b
• X124 d
• X2 n5
• X3 d
• X395 a4

Ground Distribution Wiring Diagram (2 of 6) for Chevrolet Silverado 1500 2012

List of elements for Ground Distribution Wiring Diagram (2 of 6) for Chevrolet Silverado 1500 2012:

• (4.8l/5.3l/ 6.2l) (4.3l/6.0l (vin g))
• (diesel) reductant sensor module
• (if equipped) garage door opener (gdo)
• (if equipped) inflatable restraint i/p module indicator
• (if equipped) power take off (pto) module
• (if equipped) sliding rear window switch
• (in engine harness, approximately 5 cm from automatic transmission auxiliary fluid pump control module breakout) (w/ hybrid propulsion) j122
• (left side of engine compt) auxiliary fuse block
• 4.3l
• 6 speed a/t
• Allison transmission 6 speed a/t
• Automatic transmission
• Automatic transmission auxiliary fluid pump control module
• Bare
• Body control module
• Body control module (bcm)
• Diesel
• Engine control module
• Engine control module (ecm)
• Engine coolant level switch
• Engine oil level (eol) switch
• Except 4.3l
• Except diesel
• Except hybrid
• Exhaust gas recirculation (egr) valve shield
• Exhaust gas recirculation cooler bypass solenoid valve shield
• Fan high relay
• From splice j101 (diagram 1 of 6)
• From splice j105 (diagram 1 of 6)
• Front dome/ reading lamps
• Fuel filter pressure switch
• Fuel pressure regulator 1 shield
• Fuel pressure regulator 2 shield
• Fuse a 30a
• Fuse c 30a
• G103 (on front of right cylinder head)
• G106 (right rear of engine)
• G109 (diesel) (right front lower side of engine block)
• G110 (diesel) (left front lower side of engine block)
• Glow plug control module (gpcm)
• Hybrid propulsion
• Ignition control module (icm)
• Intake air valve shield
• J106 (except hybrid: in engine harness, 23 cm from map sensor breakout) (hybrid: in engine harness, approximately 8 cm from engine coolant temperature sensor breakout)
• J118
• J160
• J161
• J162
• J164
• J219 (in fuse block jumper harness)
• J323 (in overhead console harness, 4 cm from x304 breakout)
• Mass air flow (maf)/ intake air temperature (iat) sensors
• Mobile radio fuse block (behind right side of dash)
• Nca
• Park/ neutral position switch
• Relay a
• Relay b
• Right engine cooling fan
• Right engine cooling fan resistor
• Roof beacon relay
• Roof beacon switch
• Speed a/t
• To right battery (diagram 1 of 6)
• To splice j328 (diagram 3 of 6)
• Transmission control module (tcm)
• W/ hybrid propulsion ahs2
• W/ roof mounted lamp
• W/ wrecker emergency lamp, body builder emergency lamp & roof mounted lamp
• Water in fuel sensor
• X109 b5
• X121
• X179 n
• X225
• X226
• X395 a1

Ground Distribution Wiring Diagram (3 of 6) for Chevrolet Silverado 1500 2012

List of elements for Ground Distribution Wiring Diagram (3 of 6) for Chevrolet Silverado 1500 2012:

• (automatic a/c) inside air temperature sensor
• (hybrid) serial data gateway (sdg) module
• (if equipped) heated steering wheel
• (if equipped) heated steering wheel control module
• (if equipped) left sunshade
• (if equipped) rearview camera
• (in i/p harness, 13 cm from radio connector breakout) j203
• (in steering wheel harness, 4 cm from inflatable restraint steering wheel module coil x2)
• (on right front corner of hvac module) g200
• (w/ 2 speed electric shift control transfer case & active 2 speed push button cintrol transfer case) transfer case shift control switch
• (w/ wrecker emergency lamp) wrecker relay (w/ body builder emergency lamp) emergency vehicle roof lamp relay
• 3a7
• 4a7
• Accessory dc power control module
• Automatic a/c
• Automatic transmission shift lock control solenoid
• B x4
• Bare
• Blower motor control module
• Center console accessory power outlet
• Center console compartment accessory power outlet
• Center high mounted stop lamp (chmsl)
• Data link connector (dlc)
• Driver information center (dic) switch
• Electronic adjustable pedals pcb relay
• Electronic compass module
• Extended cab/crew cab
• From splice j323 (diagram 2 of 6)
• G112
• G202
• G403
• Heater, accessory steering control & automatic cruise control
• Horn switch
• Hvac control module
• Hybrid
• I/p 1 accessory power outlet
• I/p 2 accessory power outlet
• Inflatable restraint steering wheel module coil
• Inside rearview mirror (isrvm)
• J200 (in i/p harness, 14 cm from left i/p junction block breakout)
• J214
• J215 (in steering column harness)
• J324 (in sunroof harness, 3 cm from sunroof switch breakout)
• J334 (in right "a" pillar harness)
• Left front outer roof clearance lamp
• Left i/p junction block (lower left side of dash)
• Left steering wheel control switch
• Manual a/c
• Middle front roof clearance lamp
• Nca
• Park enable pcb relay
• Passenger door lock/ window switch
• Passenger outside rear view mirror
• Passenger window switch
• Rear dome/ reading lamps
• Right front outer roof clearance lamp
• Right i/p junction block (in right end of dash)
• Right steering wheel control switch
• Right sunshade (if equipped)
• Sunroof module
• Sunroof switch
• To splice j350 (diagram 5 of 6)
• W/ accessory steering control
• W/ accessory steering control & w/ odometer security wiring provisions
• W/ body builder emergency lamp
• W/ comfort & decor level 3
• W/ luxury edition
• W/ manual folding mirror & heated mirror
• W/ non bucket front individual seat & power mirrors
• W/ roof marker lamp
• W/ roof mounted lamp provisions
• W/ steering wheel heater
• W/ steering wheel heater & automatic cruise control
• W/ steering wheel heater, accessory steering control & automatic cruise control
• W/ sunroof mounted/sliding lamp provision
• W/ sunroof mounted/sliding lamp provision w/o roof marker lamp
• W/ sunroof sliding
• W/ wrecker emergency lamp
• W/o non bucket front individual seat & power mirrors
• W/o steering wheel
• W/o steering wheel heater
• Wheel harness)
• X1 a
• X14
• X2 d1
• X2 k
• X201 b6
• X209
• X224
• X276 b
• X277 b
• X301
• X313
• X6 b

Ground Distribution Wiring Diagram (4 of 6) for Chevrolet Silverado 1500 2012

List of elements for Ground Distribution Wiring Diagram (4 of 6) for Chevrolet Silverado 1500 2012:

• (crew cab & w/ non bucket front individual seats) lock/unlock pcb relay
• (hybrid) a/c compressor
• (if equipped) driver outside rearview mirror
• (if equipped) outside rearview mirror switch
• (if equipped) rearview camera image display module
• (in left front door harness) j502
• (not used) g1
• (w/ side door lock control & w/o non bucket front individual seats & power mirrors) lock pcb relay
• (w/ side door lock control & w/o non bucket front individual seats & power mirrors) unlock pcb relay
• 3a3
• A2 x303
• A2 x305
• Ambient light sensor
• Ambient light/ sunload sensor
• Automatic a/c
• Automatic transmission shift lever
• Body control module (bcm)
• Brake fluid level switch
• Data link connector
• Driver door latch
• Driver door lock switch
• Driver door lock/ window switch
• Driver seat back ventilation heating & cooling module
• Driver seat cushion ventilation heating & cooling module
• Driver window switch
• Except hybrid
• Front door lock diode
• Front door unlock diode
• G201 (upper left corner of dash)
• Headlamp & panel dimmer switch
• Hvac control module
• Hybrid
• Hybrid & w/o non bucket front individual seat
• I/p fuse block (left side of dash)
• I/p multi-function switch
• Instrument panel cluster (ipc)
• J201 (in i/p harness, in headlight & dimmer switch breakout)
• J230
• Left i/p junction block (lower left side of dash)
• Manual a/c
• Nca
• Passenger door latch
• Passenger door lock switch
• Passenger seat adjuster switch
• Passenger seat back ventilation heating & cooling module
• Passenger seat cushion ventilation heating & cooling module
• Passenger seat lumbar switch
• Rear door lock diode
• Rear door unlock diode
• Right i/p junction block (in right end of dash)
• Theft deterrent module
• To splice j304 (diagram 6 of 6)
• Turn signal/ multi-function switch
• W/ engine brake exhust, rear parking assist, active brake control & power adjustable pedals
• W/ front heated/ cooling seats
• W/ non bucket front individual seat
• W/ power door lock control
• W/ power window
• W/o non bucket, front individual seat, w/ comfort & decor level 3
• W/o power door lock control
• W/o power window
• Windshield wiper motor
• X1 e1
• X1 k2
• X201 a5
• X305

Ground Distribution Wiring Diagram (5 of 6) for Chevrolet Silverado 1500 2012

List of elements for Ground Distribution Wiring Diagram (5 of 6) for Chevrolet Silverado 1500 2012:

• (if equipped) backup alarm
• (if equipped) digital radio receiver
• (if equipped) rear seat audio (rsa) control
• (if equipped) vehicle communication interface module (vcim)
• (in camper harness, 232.5 cm from x414 breakout) j410
• (not used)
• (w/ premium performance enhanced audio) audio amplifier
• (w/o luxury edition & odometer security)
• 4.3l
• 6.0l (vin g)
• Chevrolet
• Chime module
• Diesel
• Diesel, w/ 31 series & w/o rear auxiliary fuel tank
• Digital video disc (dvd) control module
• Driver heated seat switch
• Electronic brake control module (ebcm)
• Except 4.3l & 6.0l (ving)
• From park enable pcb relay left i/p junction block (diagram 3 of 6)
• Front fuel pump & sender assembly
• Fuel pump
• Fuel pump flow control module
• Fuel pump/ trailer brake control module
• G300 (below driver's door, on body mount)
• G301 (below left side of passenger's seat)
• Gas
• Gmc
• Grd
• Heated seat control module
• Infrared transmitter
• J300 (in chassis harness, 15 cm from g300 breakout)
• J307
• J330 (in console harness, 12 cm from audio amplifier breakout)
• J350 (heated seat body harness, 5 cm into x332 breakout)
• Left i/p junction block (lower left side of dash)
• Lower right tail/ stop & turn signal lamp
• Nca
• Passenger heated seat switch
• Radio
• Rear fuel pump & sender assembly
• Rear lamps junction block (inside of left rear frame rail)
• Right backup lamp
• Right rear side marker lamp
• Secondary fuel pump relay
• To ground g401 (diagram 6 of 6)
• Trailer connector
• Upper right tail/ stop & turn signal lamp
• Video display
• W/ active brake & w/o 10 series
• W/ active brake, hybrid, 10 series & vacuum power brake
• W/ camper, 5th wheel trailer
• W/ camper, 5th wheel trailer & backup alarm
• W/ dual front door mounted & 4 speaker system
• W/ hydraulic power brake
• W/ integrated trailer brake
• W/ luxury edition
• W/ luxury edition & rear seat entertainment package
• W/ performance enhanced audio
• W/ radio
• W/ rear auxiliary fuel tank
• W/ spo dvd
• W/ spo heated seats
• W/o camper, 5th wheel trailer & backup alarm
• W/o integrated trailer brake
• W/o luxury edition
• W/o luxury edition & w/ rear seat entertainment package
• W/o performance enhanced audio
• W/o radio
• W/o rear auxiliary fuel tank
• W/o rear auxiliary fuel tank 6.0l (vin g)
• W/o rear seat radio & luxury edition
• X1 a5
• X1 b
• X12
• X129
• X2 d
• X204 m
• X212
• X331 b
• X414 b

Ground Distribution Wiring Diagram (6 of 6) for Chevrolet Silverado 1500 2012

List of elements for Ground Distribution Wiring Diagram (6 of 6) for Chevrolet Silverado 1500 2012:

• (if equipped) driver seat adjuster switch
• (if equipped) sliding rear window close relay
• (if equipped) sliding rear window open relay
• (in body harness, 14 cm from passenger seat in-line connector breakout)
• (in sliding rear window jumper harness)
• (w/ active brake control) yaw & lateral accelero-meter sensor
• (w/ door ajar indicator) remote control door lock receiver (rcdlr)
• 6.6l & 6.0l (vin g)
• A x700
• A x800
• B x319
• B x415
• B x416
• B3 x305
• B8 x303
• Center console accessory power outlet
• Center seat accessory power outlet
• Chevrolet
• Console compartment accessory power outlet
• Crew cab
• Crew cab/ extended cab w/ performance enhanced audio & front compartment console
• Directional passenger power seat adjuster
• Driver motor battery positive high voltage contractor relay
• Driver motor generator battery
• Driver motor generator battery control module
• Driver motor power inverter current limit relay
• Driver seat adjuster switch
• E x1
• Except crew cab
• Except hybrid
• Except regular cab
• Extended cab
• From splice j302 (diagram 6 of 6)
• From splice j314 (diagram 4 of 6)
• From splice j410 (diagram 5 of 6)
• Front passenger/child presence detector
• G302 (below right side of passenger's seat)
• G303 (extended cab/crew cab) (on lower left "b" pillar)
• G304 (on lower right "b" pillar)
• G307 (at right rear corner of passenger compt)
• G311
• G312
• G401 (on left rear body mount)
• G404 (mounted on fuel filler neck)
• Generator battery vent fan
• Gmc
• Grd
• Hybrid
• Hybrid except hybrid
• Inflatable restraint passenger presence system (pps) module
• Inflatable restraint sensing & diagnostic module (sdm)
• J304
• J335
• J355
• Left backup lamp
• Left front rear fender clearance lamp
• Left license lamp
• Left rear door latch
• Left rear most fender clearance lamp
• Left rear side marker lamp
• Left rear window switch
• Lower left tail/ stop & turn signal lamp
• M x800
• Memory seat module (msm)
• Nca
• Passenger seat belt buckle
• Rear lamps junction block (inside of left rear frame rail)
• Rear object sensor control module
• Rear window defogger grid
• Regular cab
• Right front rear fender clearance lamp
• Right license lamp
• Right rear door latch
• Right rear most fender clearance lamp
• Right rear window switch
• Tailgate marker lamp
• To driver motor generator battery (diagram 6 of 6)
• To ground g312 (diagram 6 of 6)
• Trailer brake control module
• Trailer brake control relay
• Upper left tail/ stop & turn signal lamp
• W/ full feature center seat
• W/ multi-
• W/ non bucket front individual seat
• W/ non-bucket front individual seat
• W/ power windows & full feature center seat
• W/ rear defogger
• W/ rear dual wheel
• W/ rear parking assist, low tire pressure & remote entry
• W/ remote entry lock control low tier pressure indictor, active brake control & w/ rear park assist
• W/ trailer brake
• W/active brake
• W/o active brake
• W/o multi- directional passenger power seat adjuster
• W/o non-bucket front individual seat
• W/o power windows & full feature center seat
• W/o rear defogger
• W/o rear parking assist, low tire pressure & remote entry
• W/o remote entry lock control low tier pressure indictor, active brake control & w/o rear park assist
• W/o trailer brake
• X2 a
• X303 f
• X305
• X305 h
• X319 b
• X320 b
• X350
• X700 a
• X700 m