GROUND DISTRIBUTION – GMC Cab & Chassis Sierra 3500 HD 2008 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 6) for GMC Cab & Chassis Sierra 3500 HD 2008

List of elements for Ground Distribution Wiring Diagram (1 of 6) for GMC Cab & Chassis Sierra 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 GMC Cab & Chassis Sierra 3500 HD 2008

List of elements for Ground Distribution Wiring Diagram (2 of 6) for GMC Cab & Chassis Sierra 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 GMC Cab & Chassis Sierra 3500 HD 2008

List of elements for Ground Distribution Wiring Diagram (3 of 6) for GMC Cab & Chassis Sierra 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 GMC Cab & Chassis Sierra 3500 HD 2008

List of elements for Ground Distribution Wiring Diagram (4 of 6) for GMC Cab & Chassis Sierra 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 GMC Cab & Chassis Sierra 3500 HD 2008

List of elements for Ground Distribution Wiring Diagram (5 of 6) for GMC Cab & Chassis Sierra 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 GMC Cab & Chassis Sierra 3500 HD 2008

List of elements for Ground Distribution Wiring Diagram (6 of 6) for GMC Cab & Chassis Sierra 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