GROUND DISTRIBUTION – Chevrolet Silverado 3500 HD 2008 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 6) for Chevrolet Silverado 3500 HD 2008

List of elements for Ground Distribution Wiring Diagram (1 of 6) for Chevrolet Silverado 3500 HD 2008:

• (4.3l)
• (auto 4x4, electronic 4x4, manual 4x4 & 2 speed transfer case manual shift control) front drive axle actuator
• (electronic 4x4 & auto 4x4) transfer case shift control module
• (except 4.3l)
• (if equipped) left front fog lamp
• (if equipped) right front fog lamp
• (if equipped) right horn
• (left side of engine compt) underhood fuse block
• (manual 4x4) transfer case shift control switch
• 4.8l, 5.3l, 6.0l & 6.2l
• A/c compressor clutch
• Auxiliary battery relay (if equipped)
• Auxiliary battery run relay (if equipped)
• Bck/up lamp pcb relay
• Chevrolet
• Chmsl pcb relay
• Cooling fan diode 1 (10 series)
• Diesel
• Diesel w/ auxiluary battery
• Except 6.0l (vin k)
• Fan cntrl relay
• Front washer diode
• Fuel pump relay
• G100 (on lower left radiator support)
• G101 (on lower right radiator support)
• G102
• G104 (front of left cylinder head)
• G107 (top left rear (on lower left front of engine)
• G108 (on left side of firewall)
• Gas
• Gmc
• Hood ajar switch
• Ignition coil/ module 1
• Ignition coil/ module 2
• Ignition coil/ module 3
• Ignition coil/ module 4
• Ignition coil/ module 5
• Ignition coil/ module 6
• Ignition coil/ module 7
• Ignition coil/ module 8
• J100 (in forward lamp harness, 7 cm from ambient air temperature sensor breakout)
• J101 (in forward lamp harness)
• J103 (in right headlamp harness)
• J105 (in engine harness, 12 cm from ect sensor breakout)
• J108 (in ignition coil jumper harness, between ignition coils 5 & 7)
• J111 (in ignition coil jumper harness, between ignition coils 4 & 2)
• J141 (in pto jumper harness)
• J145 (in auxiliary battery harness)
• Left battery
• Left front 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
• Of engine)
• Rear defog relay
• Right battery
• Right engine cooling fan
• Right front marker lamp
• Right high beam headlamp
• Right low beam headlamp
• Run/ crnk relay
• Strtr relay
• To g103 (diagram 2 of 6)
• Underhood fuse block (left side of engine compt)
• Upper left park/turn signal lamp
• Upper right park/turn signal lamp
• W/ dual battery
• W/ keyless entry & left cargo restraint & 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
• X2 n5
• X3 d

Ground Distribution Wiring Diagram (2 of 6) for Chevrolet Silverado 3500 HD 2008

List of elements for Ground Distribution Wiring Diagram (2 of 6) for Chevrolet Silverado 3500 HD 2008:

• (4 speed a/t)
• (4.3l)
• (4.8l/5.3l/6.0l)
• (6 speed a/t)
• (diesel)
• (if equipped)
• (if equipped) garage door opener (gdo)
• (if equipped) inflatable restraint passenger airbag on/off indicator
• (if equipped) power take off (pto) module
• (if equipped) windshield washer solvent heater
• 4 spd
• 4.3l
• 4.8l, 5.3l, 6.0l & 6.2l
• A/c low pressure switch
• A/t
• Allision transmission 6 speed a/t
• Automatic a/c
• Bare
• Body control module (bcm)
• Camshaft position (cmp) sensor shield
• Crankshaft position (ckp) sensor shield
• Diesel
• Engine control module (ecm)
• Engine coolant level switch
• Engine oil level (eol) switch
• Except 4.3l
• From j105 (diagram 1 of 6)
• From right battery (diagram 1 of 6)
• Fuel heater
• Fuel pressure regulator shield
• Fuel rail pressure (frp) sensor shield
• Fuse a 30a
• Fuse c 30a
• G103 (on front of right cylinder head)
• G105 (diesel)
• G106 (diesel) (lower left side of engine)
• G106 (right rear of engine)
• G110 (left side of firewall)
• G111 (on left side of firewall)
• G403
• Glow plug control module (gpcm)
• Harness)
• Ignition control module (icm)
• J106 (in engine harness, 23 cm from map sensor breakout)
• J175 (in engine red
• 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
• Overhead console courtesy/ reading lamps
• Park/ neutral position switch
• Red
• Relay a
• Relay b
• Roof beacon relay
• Roof beacon switch
• Sliding rear window switch
• To j328 (diagram 3 of 6)
• Transmission control module (tcm)
• W/ body builder emergency lamp
• W/ roof mounted lamp
• W/ wrecker emergency lamp, body builder emergency lamp & roof mounted lamp
• Water in fuel sensor

Ground Distribution Wiring Diagram (3 of 6) for Chevrolet Silverado 3500 HD 2008

List of elements for Ground Distribution Wiring Diagram (3 of 6) for Chevrolet Silverado 3500 HD 2008:

• (auto 4x4 & electronic 4x4) transfer case shift control switch
• (automatic a/c) inside air temperature sensor
• (if equipped) heated steering wheel
• (if equipped) heated steering wheel control module
• (if equipped) left sunshade
• (if equipped) windshield outside moisture sensor
• (in i/p harness, 13 cm from radio connector breakout) j203
• (in i/p harness, 14 cm from left i/p junction block breakout) j200
• (in steering wheel harness, 4 cm from inflatable restraint steering wheel module coil x2)
• (on right front corner of hvac module) g200
• 2b6
• 3a7
• 4a7
• Automatic a/c
• Automatic transmission shift lock control solenoid
• B x4
• 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
• Emergency lamp
• Emergency vehicle roof lamp relay or wrecker relay
• Extended cab/crew cab
• From j323 (diagram 2 of 6)
• Heater, accessory steering control & automatic cruise control
• Horn switch
• Hvac control module
• I/p 1 accessory power outlet
• I/p 2 accessory power outlet
• Inflatable restraint steering wheel module coil (behind steering wheel)
• Inside rearview mirror (isrvm)
• J214
• J215 (in steering column harness)
• J324 (in sunroof harness, 3 cm from sunroof switch breakout)
• J334 (in right "a" pillar harness)
• Left i/p junction block (lower left side of dash)
• Left roof marker lamp
• Left steering wheel control switch
• Manual a/c
• Middle roof marker lamp
• Nca
• Park enable pcb realy
• Passenger door lock/ window switch
• Passenger outside rear view mirror
• Passenger window switch
• Rear dome/ reading lamps
• Right i/p junction block (in right end of dash)
• Right roof marker lamp
• Right steering wheel control switch
• Right sunshade (if equipped)
• Sunroof module
• Sunroof switch
• Sunroof w/ roof lamp provision
• Sunroof w/ roof lamp provision w/o roof marker lamp
• W/ a/t & steering wheel heater
• W/ accessory steering control
• W/ comfort & decor level 3
• W/ luxury edition
• W/ manual folding mirror & heated mirror
• W/ non bucket front individual seat
• W/ outside temperature display & onstar
• W/ roof marker lamp
• W/ roof mounted lamp provisions
• W/ steering wheel
• W/ steering wheel heater & automatic cruise control
• W/ sunroof sliding
• W/o a/t & steering wheel heater
• W/o non bucket front individual seat
• W/o steering wheel
• Wheel harness)
• Wrecker emergency lamp
• X1 a
• X14
• X2 d1
• X2 k
• X276 b
• X277 b
• X6 b

Ground Distribution Wiring Diagram (4 of 6) for Chevrolet Silverado 3500 HD 2008

List of elements for Ground Distribution Wiring Diagram (4 of 6) for Chevrolet Silverado 3500 HD 2008:

• (crew cab & w/ front individual seats) door lock/unlock pcb relay
• (if equipped) driver outside rearview mirror
• (if equipped) outside rearview mirror switch
• (if equipped) windshield washer solvent heater
• (in left front door harness) j502
• (not used) g1
• (w/o non backet individual seat, w/ power door lock control, heated mirror) lock pcb relay
• (w/o non backet individual seat, w/ power door lock control, heated mirror) unlock pcb relay
• 3a3
• 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 window switch
• Front door lock diode
• Front door unlock diode
• G201 (upper left corner of dash)
• Headlamp & panel dimming switch
• Hvac control module
• I/p fuse block (left side of dash)
• I/p multifunction switch
• Instrument panel cluster (ipc)
• J201 (in i/p harness, in headlamp & 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
• Rear door lock diode
• Rear door unlock diode
• Right i/p junction block (in right end of dash)
• Theft deterrent module
• Turn signal/ multifunction switch
• W/ non bucket front individual seat
• W/ power door lock control
• W/ power window
• W/ windshield heated nozzles, rear parking assist, active brake control & power adjustable pedals
• W/o non bucket front individual seat
• 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

Ground Distribution Wiring Diagram (5 of 6) for Chevrolet Silverado 3500 HD 2008

List of elements for Ground Distribution Wiring Diagram (5 of 6) for Chevrolet Silverado 3500 HD 2008:

• (back-up alarm: in camper harness, 7 cm from back-up alarm breakout) (w/ champer, 5th wheel trailer: in camper harness, 232.5 cm from x414 breakout) j410
• (if equipped) back up alarm
• (if equipped) rear seat audio (rsa) control
• (not used)
• (premium performance enhanced audio) audio amplifier
• 4.3l, 5.3l (vin 0), & 5.3l (vin 3)
• 4.3l, 5.3l (vin 0), 6.0l (vin k) & 5.3l (vin 3)
• 6.0l (vin k)
• Chevrolet
• Chime module
• Diesel
• Diesel, w/ 31 series & w/o rear auxiliary fuel tank
• Digital radio receiver
• Electronic brake control module (ebcm)
• Front fuel pump & sender assembly
• Front system control module (fscm)
• Fuel pump
• G300 (below driver's door, on body mount)
• G301 (below left side of passenger's seat)
• Gas
• Gmc
• Grd
• Infrared transmitter
• J300 (in chassis harness, 15 cm from g300 breakout)
• J330 (in console harness, 12 cm from audio amplifier breakout)
• Left i/p junction block (lower left side of dash)
• Lower right tail/ stop & turn signal lamp
• Nca
• Radio
• Rear fuel pump & sender assembly
• Rear lamps junction block (inside of left rear frame rail)
• Right back up lamp
• Right rear marker lamp
• Secondary fuel pump relay
• To g401 (diagram 6 of 6)
• Trailer connector
• Upper right tail/ stop & turn signal lamp
• Vehicle communication interface module (vcim)
• Video display
• W/ active brake & vaccum power brake
• W/ camper, 5th wheel trailer
• W/ camper, 5th wheel trailer & back up alarm
• W/ dual front door mounted & 4 speaker system
• W/ hydraulic power brake
• W/ luxury edition
• W/ performance enhanced audio
• W/ radio provision
• W/ rear auxiliary fuel tank
• W/o camper, 5th wheel trailer & back up alarm
• W/o luxury edition
• W/o luxury edition & w/ rear seat entertainment package
• W/o performance enhanced audio
• W/o radio provision
• W/o rear auxiliary fuel tank
• W/o rear seat radio & luxury edition
• X1 a5
• X1 b
• X12
• X2 d

Ground Distribution Wiring Diagram (6 of 6) for Chevrolet Silverado 3500 HD 2008

List of elements for Ground Distribution Wiring Diagram (6 of 6) for Chevrolet Silverado 3500 HD 2008:

• (if equipped) driver seat adjuster switch
• (if equipped) remote control door lock receiver (rcdlr)
• (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)
• (on left rear body mount) g401
• (rear parking assist) rear object sensor control module
• (w/ active brake control) yaw & lateral acceleration sensor
• Az3
• Center console accessory power outlet
• Center seat accessory power outlet
• Chevrolet
• Console compartment accessory power outlet
• Crew cab
• Crew cab/ extended cab w/ performance audio & front compartment console
• Except crew cab
• Except regular cab
• From j410 (diagram 5 of 6)
• 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)
• Gmc
• Grd
• Inflatable restraint passenger presence system (pps) module
• Inflatable restraint sensing & diagnostic module (sdm)
• Inflatable restraint vehicle rollover sensor
• J304
• J335 (in sliding rear window jumper harness)
• Left back up lamp
• Left front rear fender clearance lamp
• Left license lamp
• Left rear door latch
• Left rear marker lamp
• Left rear most fender clearance lamp
• Left rear window switch
• Lower left tail/ stop & turn signal lamp
• Memory seat module (msm)
• Nca
• Passenger seat adjuster switch
• Passenger seat lumbar switch
• Rear lamps junction block (inside of left rear frame rail)
• 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
• Tail/ stop & turn signal lamp
• Tailgate marker lamp
• Trailer brake control module
• Trailer brake control relay
• Upper left tail/ stop & turn signal lamp
• W/ abv/az3
• W/ child presence detector
• W/ head curtain air bag
• W/ keyless entry, active brake control
• W/ low tire pressure
• W/ non bucket front individual seat
• W/ rear defogger
• W/ rear dual wheel
• W/ rear parking assist, low tire pressure & remote entry
• W/ trailer brake control module
• W/o abv/az3
• W/o child presence detector
• W/o head curtain air bag
• W/o keyless entry, active brake control
• W/o rear defogger
• W/o rear parking assist, low tire pressure & remote entry
• W/o trailer brake control module
• X1 e
• X2 a