POWER DISTRIBUTION – GMC Sonoma 2003 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for GMC Sonoma 2003

List of elements for Power Distribution Wiring Diagram (1 of 5) for GMC Sonoma 2003:

• (2.2l)
• (4.3l)
• (air jumper harn, between g100 & breakout to eng harn, 5 cm from breakout to eng harn)
• (not used)
• 2.2l
• 4.3l
• 4.3l only
• A10
• Acc
• Air fuse 30a
• Air injection reactor fuse block
• Air relay
• Air sol fuse 30a
• B10
• B11
• Battery
• Battery fuse 175a
• Body control module
• C10
• California only
• Central sequential fuel injection (4.3l)
• D10
• E10
• Ecm 1 fuse 15a
• Eng 1 fuse 10a
• Evaporative emissions (evap) canister purge solenoid
• Evaporative emissions (evap) canister vent solenoid
• F10
• From ecm 1 a fuse diagram 1 of 5)
• Fuel injectors
• Fuel injectr 1
• Fuel injectr 2
• Fuel injectr 3
• Fuel injectr 4
• Fusible link (10 ga-red)
• Gauges fuse 4 10a
• Generator
• Heated oxygen sensor (ho2s) (bank 1 sensor 1) (4.3l) (bank 1 sensor 2) (2.2l)
• Heated oxygen sensor (ho2s) (bank 1 sensor 2) (4.3l)
• Heated oxygen sensor (ho2s) (bank 2 sensor 1) (4.3l)
• I/p fuse block
• Ign a fuse 40a
• Ignition coil (4.3l)
• Ignition control module (icm)
• Ignition switch
• Inflatable restraint i/p module disable switch
• Inflatable restraint sensing & diagnostic module
• Instrument panel cluster (ipc)
• Lock
• Mass air flow (maf) sensor (4.3l)
• Multi- function switch
• Nca
• Off
• Oxygen fuse 20a
• Pickup
• Pnk
• Powertrain control module (pcm)
• Red
• Run
• S100 (in oxygen sensor jumper harn, 36 cm from c100)
• S105
• S128
• Secondary air injection reactor pump
• Sir fuse 16 15a
• Start
• Starter
• Starter relay
• To b/u lp fuse (diagram 2 of 5)
• To eng 1 fuse (diagram 1 of 5)
• To ign c fuse (diagram 2 of 5)
• Turn fuse 10 20a
• Underhood fuse block

Power Distribution Wiring Diagram (2 of 5) for GMC Sonoma 2003

List of elements for Power Distribution Wiring Diagram (2 of 5) for GMC Sonoma 2003:

• (body harn, 98 cm from rear doors breakout) s309
• (not used)
• (w/ automatic day/night mirror)
• 2 door
• 4 door
• A/c compressor clutch relay
• A/t
• Abs fuse 60a
• Acc
• Air relay
• Automatic transmission shift lock (btsi) solenoid (w/ floor shift a/t)
• B/u lp fuse 25a
• B11
• B12
• Back-up lamp switch
• Blower motor relay
• Body relay block
• Btsi fuse 10a
• C12
• D12
• Daytime running lamp (drl) relay
• Electronic brake control module (ebcm)
• From b/u lp fuse diagram 2 of 5)
• From ign a fuse diagram 1 of 5)
• From oxygen b fuse diagram 1 of 5)
• Haz lp fuse 20a
• Headlamp grounding relay
• Headlamp switch
• Hvac fuse 30a
• Ign b fuse 50a
• Ign c fuse 20a
• Ign e fuse 10a
• Ignition switch
• Inside rear view mirror (utility)
• Left back-up lamp (pickup)
• Left back-up lamp (utility)
• Lock
• M/t
• Multi- function switch
• Off
• Park lamp relay
• Park lp fuse 20a
• Park/ neutral position (pnp) switch
• Pnk
• Rear defogger relay (except base pickup)
• Red
• Right back-up lamp (pickup)
• Right back-up lamp (utility)
• Run
• Secondary air injection reactor fuse block (calif)
• Sp204 (center front of dash)
• Sp400 (center inside of rear crossmember) (pickup)
• Start
• Stop lamp switch
• Stud 2 fuse 30a
• To clstr fuse (diagram 4 of 5)
• To crank fuse (diagram 4 of 5)
• To ign e fuse (diagram 2 of 5)
• To rap maxi fuse (diagram 3 of 5)
• To rap relay (diagram 5 of 5)
• To s204 (diagram 5 of 5)
• Trailer wiring provisions
• Trailer wiring provisions (utility w/ m/t)
• Transfer case shift control module (np1)
• Trl b/u fuse 10a
• Underhood fuse block
• Veh b/u fuse 15a
• W/ zr2

Power Distribution Wiring Diagram (3 of 5) for GMC Sonoma 2003

List of elements for Power Distribution Wiring Diagram (3 of 5) for GMC Sonoma 2003:

• (auxiliary power tray harn, 9.5 cm from in-line dash connector)
• (pickup)
• (utility)
• 2 door
• 4 door
• Aux pwr fuse 25a
• Body relay block
• C301
• Cargo lamp (utility)
• Cigar lighter
• Cigar ltr fuse 15a
• Courtesy lamp breakout, 4 cm from breakout to lamp) s208
• Ctsy lp fuse 10a
• Data link connector (dlc)
• Daytime running lamp (drl) relay
• Dome lamp (utility) dome lamp & center high mounted stop lamp (pickup)
• Dome lamp (w/ sunroof)
• Dome lamp (w/o sunroof)
• Door lock relay
• Door unlock relay
• Driver information center (dic)
• Driver information center (dic) (w/o trip computer)
• Driver seat adjuster switch
• Driver seat lumbar switch
• Driver's door unlock relay
• Ecm b fuse 20a
• Fog lamp relay
• Fog lp fuse 15a
• From abs i fuse (diagram 2 of 5)
• From int bat fuse (diagram 3 of 5)
• From s223 diagram 3 of 5)
• Front passenger seat adjuster switch
• Fuel pump relay
• G203 (behind right side of dash, between c203 & splice packs)
• Garage door opener module
• Hdlp sw fuse 10a
• Headlamp switch
• I/p fuse block
• Inadvertent power lamp relay
• Instrument panel cluster (ipc)
• Int bat fuse 50a
• Left accessory power outlet
• Left console courtesy lamp
• Memory seat module
• Nca
• Power seats circuit breaker 25a (utility w/ power seat)
• Powertrain control module (pcm)
• Pwr lcks fuse 15a
• Radio
• Rap fuse 50a
• Rdo bat fuse 15a
• Red
• Right acessory power outlet
• Right console courtesy lamp
• S223
• S268
• S304 (in body harn, before breakout to left & right rear door)
• S310
• S311 (in left power seat harn)
• Sp203 (near ashtray)
• To hi beam fuse (diagram 3 of 5)
• To pwr lcks fuse 14 (diagram 3 of 5)
• To rap relay (diagram 5 of 5)
• To tbc fuse (diagram 4 of 5)
• Transfer case shift control module (w/ np1)
• Under- hood fuse block
• Underhood fuse block
• Utility
• Utility w/ overhead trip console
• Utility w/o overhead console & pickup
• Utility w/overhead
• W/ memory
• W/o memory

Power Distribution Wiring Diagram (4 of 5) for GMC Sonoma 2003

List of elements for Power Distribution Wiring Diagram (4 of 5) for GMC Sonoma 2003:

• (body harn, 13 cm from blower motor breakout) pnk
• (eng harn, 10 cm from map sensor breakout)
• (eng harn, 20 cm from a/c refrigerant pressure sensor breakout)
• (left power seat harn, 20 cm from c317)
• (right power seat harn, 20 cm from c315)
• (w/ np1)
• (w/o np1)
• 2.2l
• 4.3l
• A (2.2l)
• A/c compressor clutch relay
• A/c fuse 10a
• Atc fuse 20a
• Automatic transmission
• Automatic transmission shift lock actuator (w/ floor shift a/t)
• Body control module
• Body relay block
• C (4.3l)
• C1 a1
• C175
• Center high mounted stop lamp
• Clstr fuse 10a
• Clutch pedal position (cpp) switch (m/t)
• Crank fuse 10a
• Cruise control module
• D11
• D14
• D15
• D16
• Daytime running lamps (drl) relay
• Dome & high mount stop lamp
• Driver door lock/ side window switch
• Driver outside rear view mirror
• Driver seat heater module
• Driver seat lumbar switch
• E10
• E11
• E12
• Estc 4wd
• F10
• F11
• F12
• From atc m fuse (diagram 4 of 5)
• From hi beam fuse (diagram 3 of 5)
• From ignition switch pin c1 (diagram 2 of 5)
• From ignition switch pin d1 (diagram 2 of 5)
• Front passenger door lock/ window switch
• Front passenger heated seat assembly
• Front passenger seat lumbar switch
• Headlamp power relay
• High mount stop lamp relay (pickup)
• High mount stop lamp resistor
• Horn (a note)
• Horn (f note)
• Horn fuse 15a
• Horn relay
• Htd mir fuse 10a
• Htd seat fuse 20a (utility)
• I/p fuse block
• Instrument panel cluster (ipc)
• Left low beam headlamp
• Lift- glass relay (utility)
• Liftgate or endgate lock cylinder switch (utility)
• Lt hdlp fuse 15a
• Mir/lks fuse 3a
• Multi- function switch (flash to pass)
• Multifunction switch (utility)
• Nca
• Outside rear view mirror switch
• Park/ neutral position (pnp) switch (a/t)
• Passenger outside rear view mirror
• Pickup
• Pnk
• Powertrain control module (pcm)
• Rear defogger relay (utility)
• Rear window defogger grid (utility)
• Rear window wiper motor
• Remote control door lock receiver
• Right high beam headlamp
• Right low beam headlamp
• Rr defog fuse 30a
• Rr w/w fuse 15a (utility)
• Rt hdlp fuse 15a
• S113
• S116
• S129
• S314
• S321
• S405 (body harn, 10 cm before chmsl breakout)
• Stop lp fuse 20a
• Stoplamp switch
• Tbc fuse 10a
• To a/c fuse (diagram 4 of 5)
• Trailer wiring provisions
• Transfer case encoder motor
• Transfer case shift control module
• Trchmsl fuse 10a
• Under- hood fuse block
• Utility
• Vechmsl fuse 10a
• W/ rke
• W/np1
• W/o np1

Power Distribution Wiring Diagram (5 of 5) for GMC Sonoma 2003

List of elements for Power Distribution Wiring Diagram (5 of 5) for GMC Sonoma 2003:

• (2.2l)
• (4.3l)
• (body harn, 17 cm from sp 202) s203
• (dash harn, in breakout to heater controller conn, 6 cm into breakout) s217
• (w/ trip)
• (w/np1)
• (w/o np1)
• (w/o trip)
• 4wd fuse 10a
• Abs fuse 10a
• Air temperature actuator
• Body control module
• Body relay block
• C8 e10
• Clutch start switch
• Cruise control module
• Cruise fuse 10a
• Driver door lock & window switch
• Driver information display module (utility)
• Driver seat lumbar switch
• Electronic brake control module (ebcm)
• Except base pickup
• From 4wd fuse (diagram 5 of 5)
• From ignition switch pin c6 (diagram 2 of 5)
• From ignition switch pin d6 (diagram 2 of 5)
• From power seats circuit breaker (diagram 3 of 5)
• Front axle indicator switch
• Front axle vacuum solenoid (w/ np8)
• Front pas- senger seat lumbar switch
• Front passenger door lock & window switch (2 door)
• Frt wpr fuse 25a
• Hvac 1 fuse 10a
• Hvac control assembly
• Hvac control assembly (w/o electronic climate control)
• Hvac fuse 20a
• I/p fuse block
• Inside rear view mirror (w/ automatic day/night mirror)
• Instrument panel cluster
• Multi- function switch
• Multifunction switch
• Nca
• Power window circuit breaker 30a
• Radio
• Rdo ign fuse 10a
• Rear wiper/ washer switch & endgate/ liftgate window release switch (utility)
• Red
• Retained accessory power (rap) relay
• Rr wpr fuse 15a
• Sp200 (strapped to body harn, in center front of dash, to right of sp 204)
• Steering wheel controls (if equipped)
• Stop- lamp switch
• Str whl rdo ign fuse 2a
• Sunroof module
• Sunroof switch
• To hvac fuse (diagram 5 of 5)
• Transfer case select switch (4wd)
• Transfer case shift control module
• W/o memory
• Window lockout switch (4 door)
• Windshield wiper motor