All Wiring Diagrams for GMC Sonoma 2004 model – Schémata zapojení pro automobily

AIR CONDITIONING

Compressor Wiring Diagram for GMC Sonoma 2004

List of elements for Compressor Wiring Diagram for GMC Sonoma 2004:

(engine harness, between breakouts to rear heated oxygen sensors connector & body harness connector, 7 cm from breakout to heated oxygen sensor connector) s106
(rear of right cylinder head) g102
(rear of right cylinder head) g103
A/c
A/c comp rly ctrl
A/c compressor clutch
A/c compressor clutch diode
A/c compressor clutch relay
A/c fuse 10a
A/c high pressure switch (on rear of a/c compressor)
A/c low pressure switch (at a/c accumulator)
A/c low sw signal
A/c request signal
Bi-level a/c
Blend
D12
Defrost
Heat
Hot at all times
Hot in run
Hot in run & start
Hvac control assembly
Hvac fuse 9 20a
I/p fuse block (on left end of dash)
Ign e fuse 10a
Max a/c
Nca
Off
Powertrain control module (pcm) (on right side of engine compartment)
S103 (engine harn, 19.5 cm from throttle position sensor)
Underhood fuse block (on top of left front inner wheelwell)
Vent

Manual A/C Wiring Diagram for GMC Sonoma 2004

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List of elements for Manual A/C Wiring Diagram for GMC Sonoma 2004:

(behind right side of dash) g203
(behind upper left end of dash) g200
(dash harness, between breakouts for radio & bcm connector 8 cm from breakout to radio) s205
(engine harness, between breakouts to rear heated oxygen sensors connector & body harness connector, 7 cm from breakout to heated oxygen sensor connector) s106
(left rear of engine compartment) g117
(rear of right cylinder head) g102
(rear of right cylinder head) g103
87a
A/c
A/c comp rly ctrl
A/c compressor clutch
A/c compressor clutch diode
A/c compressor clutch relay
A/c cycling sw signal
A/c fuse 10a
A/c high pressure switch (on rear of a/c compressor)
A/c low pressure switch (at a/c accumulator)
A/c request signal
Air temperature actuator (behind right side of dash, on heater case)
Bi-level
Bi-level a/c
Blend
Blower motor (on right rear of engine compartment)
Blower motor relay (on center rear of engine compartment)
Blower motor resistor (on right rear of engine compartment, on blower case)
Blower switch
Connector) s104
D (not used)
D12
Def
Heat
High
Hot at all times
Hot in park & head
Hot in run
Hot in run & start
Hvac 1 fuse 21 10a
Hvac control assembly
Hvac fuse 30a
Hvac fuse 9 20a
I/p fuse block (on left end of dash)
If equipped
Ign e fuse 10a
Illum (x4)
Illum fuse 12 10a
Low
Max a/c
Med
Mode door switch
Nca
Norm
Off
Pickup
Power mirrors system (automatic day/night mirror)
Powertrain control module (pcm) (on right side of engine compartment)
S103 (engine harn, 19.5 cm from throttle position sensor)
S118 (body harness, between breakouts to blower motor & blower motor relay)
S215 (behind hvac assembly)
S217 (dash harness, in breakout to heater controller connectors, 6 cm into breakout)
Servo amplifier
Sp202 (strapped to body harness, at left center of dash)
Sp203 (dash harness, in front of ashtray)
Tan
Temp control
Underhood fuse block (on top of left front inner wheelwell)
Utility
Vent

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for GMC Sonoma 2004

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List of elements for Anti-lock Brakes Wiring Diagram for GMC Sonoma 2004:

(left side of dash) data link connector (dlc)
A10
A12
Abs fuse 22 10a
Abs fuse 60a
Anti-lock indicator
Axle switch sig
Axle switch signal
Body control module (bcm) (under dash, on heater case)
Brake fluid level switch (on master cylinder)
Brake fluid lvl sig
Brake warning indicator
Class 2
Computer data lines system
Cruise control system
Electronic brake control module (ebcm) (near left front inner fender, on brake pressure modulator valve)
From manual a/c blower motor resistor breakout)
Front axle indicator switch (at front axle, to right of differential)
G102 (on rear of right cyl head)
G110 (near windshield washer pump)
Ground distribution system
Hot at all times
Hot in run
I/p fuse block (on left end of dash)
Ignition 3
Instrument panel cluster
Left front wheel speed sensor
Lf whl spd sens ref
Lf whl spd sens sig
Nca
Powertrain control module (pcm) (on right side of engine compt)
Radio
Rdo batt fuse 19 15a
Red
Rf whl spd sens ref
Rf whl spd sens sig
Right front wheel speed sensor
S121 (in body harn, between ebcm & c102 breakout)
S203
S240
S276
Serial data
Sp201 (strapped to body harn, near body relay block)
Stoplamp switch (on brake pedal support bracket)
Tan
Tcc brake switch sig
Underhood fuse block
Underhood fuse block (on top of left front inner wheelwell)
Vehicle speed signal
Vss
W/ electric shift control (2 speed)

ANTI-THEFT

Forced Entry Wiring Diagram for GMC Sonoma 2004

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List of elements for Forced Entry Wiring Diagram for GMC Sonoma 2004:

(utility)
2 door utility, pickup
4 door utility
A12
B10
B11
Battery
Body control module (under dash, on heater case)
C211
Data link connector (under left side of dash)
Door sw sig
Driver door jamb switch
Driver door lock cylinder switch
Drv dr switch
Fr handle sw
Front passenger door jamb switch
Front passenger door lock cylinder switch
G200 (behind upper left end of dash)
G202 (behind upper left end of dash)
G203 (behind right side of dash)
G205 (behind right side of dash)
G450 (left rear corner of vehicle)
Ground
Horn relay
Horns system
Hot at all times
Ignition key alarm switch
Instrument panel cluster
Key in ign
Key sw sig
Left rear door jamb switch
Liftgate sw
Pickup
Rear window wiper cutout & liftglass ajar jamb switch (utility)
Right door handle switch
Right rear door jamb switch
S305 (body harn, 22.5 cm from right rear door jamb switch breakout)
S427
S501
S601
Security indicator
Serial data
Splice pack sp201 (on body harn, near body relay block)
Splice pack sp202 (on body harn, left center of dash)
Splice pack sp203 (dash harn, in front of ashtray)
Splice pack sp204 (on body harn, center front of dash)
Tan
Tbc fuse 10a
Underhood fuse block (top of left front inner wheelwell)
Utility/crew cab

Pass-Key Wiring Diagram for GMC Sonoma 2004

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List of elements for Pass-Key Wiring Diagram for GMC Sonoma 2004:

A12
Battery
Body control module (under dash, on heater case)
Data link connector (under left side of dash)
Engine controls system (fuel pump relay)
G200 (behind upper left end of dash)
Ground
Hot at all times
Passlock sensor (in steering column, near lock cylinder)
Powertrain control module (right side of engine compt)
Remote control door lock receiver (behind lower left side of dash)
Security hall effect sensor
Sensor pwr
Sensor ret
Sensor sig
Serial data
Splice pack sp201 (on body harn, near body relay block)
Splice pack sp202 (on body harn, left center of dash)
Tamper hall effect sensor
Tbc fuse 10a
Underhood fuse block (on top of left front inner wheelwell)
W/ remote keyless entry

BODY CONTROL MODULES

Body Control Modules Wiring Diagram for GMC Sonoma 2004

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List of elements for Body Control Modules Wiring Diagram for GMC Sonoma 2004:

(envoy)
(others)
12v ref
5v reference
A10
A11
A12
Ambient light sensor (on top left side of dash)
Ambient light sensor sig
Anti-theft system
B10
B11
B12
Battery positive voltage
Body control module (under dash, on heater case)
Class 2 serial data signal
Computer data lines system
Courtesy lamp relay ctrl
Courtesy lamp sw sig
Cruise fuse 3 10a
Door lock ctrl
Door locks system
Door unlock ctrl
Driver door key sw sig
Drl relay ctrl
Engine controls system
Exterior lights system
Flash-to-pass sw sig
Fog lamp relay ctrl
Front fog lamp switch sig
G200 (behind upper left end of dash)
Gauges fuse 4 10a
Gmcm serial data
Ground
Headlamp hi beam relay ctrl
Headlamp off sig
Headlights system
Hlp dimmer sw hi beam sig
Horn relay ctrl
Horns system
Hot at all times
Hot in run
Hot in run or start
Hot with headlamp switch in head or park
I/p fuse block
Ignition 1 voltage
Ignition 3 voltage
Instrument cluster system
Interior lamp defeat sw sig
Interior lamp relay coil ctrl
Interior lights system
Key in ignition switch
Led dimming signal
Left front door open switch sig
Left front door unlock relay ctrl
Left front turn sw sig
Left seat belt switch sig
Low ref
Park brake switch (at base of park brake assembly)
Park brake switch sig
Park lamp relay ctrl
Park lp fuse 5 10a
Pnk
Power distri- bution system (w/ remote keyless entry)
Power distribution system (rap)
Rap relay coil ctrl
Rear compt lock mtr unlock
Rear doors/lift glass switch
Remote keyless entry circuit
Right front door latch switch sig
Right front turn sw sig
S283
Security system sensor sig
Sp202 (left center of dash)
Splice pack sp200 (in forward lamp harness, to left rear of radiator support)
Tan
Tbc fuse 10a
Tow/hall switch sig
Transmission system
Trunk release relay ctrl
Trunk, tailgate, fuel doors system
Underhood fuse block (on top of left front inner wheelwell)
Vehicle speed sensor sig
Warning system
Warning systems

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for GMC Sonoma 2004

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List of elements for Computer Data Lines Wiring Diagram for GMC Sonoma 2004:

(behind right kick panel) transfer case shift control module
(not used)
A12
Body control module (under dash, on heater case)
Body relay block (behind left side of dash, near dash fuse block)
Cigar ltr fuse 2 15a
Class 2 serial data
Data link connector (dlc) (under left side of dash)
Driver information center
Electronic brake control module (ebcm) (near left front inner fender, on brake pressure modulator valve)
G105 (on rear of left cylinder head)
G200 (behind upper left end of dash)
Ground distribution system
Hot at all times
I/p fuse block (on left end of dash)
Inflatable restraint sensing & diagnostic module (under console & carpet, between front seats)
Instrument panel cluster
Memory seat module (under left front seat) (if equipped)
Powertrain control module (pcm) (on right side of engine compartment)
Radio
S152
S276
Sp202 (strapped to body harn, at left center of dash)
Splice pack sp201 (strapped to body harn, near i/p fuse block)
Transfer case shift control module (w/ 4wd) (behind right kick panel)
Underhood fuse block (on top of left front inner wheelwell)
W/ trip computer
W/ two speed electronic control

CRUISE CONTROL

Cruise Control Wiring Diagram for GMC Sonoma 2004

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List of elements for Cruise Control Wiring Diagram for GMC Sonoma 2004:

(on left side of firewall)
2-speed push button control
2.2l
4.3l
4wd only
A/t
A12
A13
A14
A15
Abs fuse 22 10a
Antilock brake system
B (2.2l) (4.3l)
Bare
Body computer system
Body relay block (behind left side of dash)
Brake cutout 1
Brake/clutch signal
C116 (near top right rear of transmission)
Clutch pedal position & cruise control
Cruise control module
Cruise fuse 3 10a
Cruise on/off input
Cruise status
Cut-out switch (clutch pedal support bracket)
D (2.2l) (4.3l)
Exterior lights system
G104 (left rear of cylinder head)
G105 (4.3l) (left rear of cylinder head) (2.2l) (right rear of engine)
G117 (left rear of engine compt)
Ground
Hot in run
I/p fuse block (left end of dash)
Ignition
Instrument cluster system
M/t
Multifunction switch
Off
Powertrain control module (right front of engine compt)
R/a
Resume/accel input
S134
S138 (body harn, left rear of engine compt)
S140
S152
S203 (4.3l)
Set sw
Set/coast input
Sp200 (body harn, center front of dash)
Stoplamp switch (brake pedal support bracket)
Underhood fuse block (on top of left front inner wheelwell)
Vehicle speed input
Vehicle speed sensor (vss) (on rear of transmission)
Vss
Vss high
Vss low

DEFOGGERS

Defoggers Wiring Diagram for GMC Sonoma 2004

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List of elements for Defoggers Wiring Diagram for GMC Sonoma 2004:

(behind right side of dash) g203
(behind right side of dash) g205
(behind upper left end of dash) g202
(right rear corner of vehicle) g420
Driver outside rear- view mirror
Front passenger outside rearview mirror
Hot at all times
Hot in run
Hot in run & start
Htd mirror fuse 10a
Hvac 1 fuse 21 10a
Hvac control assembly
I/p fuse block (on left end of dash)
Ign e fuse 10a
Illum
Interior lights system
Nca
On led
Rear window defogger grid
Rear window defogger relay
Rr defog fuse 30a
S217
S501
S601
Splice pack sp203 (front of ashtray)
Splice pack sp204 (center of dash)
Timer circuit
Underhood fuse block (on top of left front inner wheelwell)
Utility vehicles only

ENGINE PERFORMANCE

4.3L VIN X

4.3L VIN X, Engine Performance Wiring Diagram (1 of 4) for GMC Sonoma 2004

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List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (1 of 4) for GMC Sonoma 2004:

(body harn, near blower motor resistor)
(rear of distributor)
12v ref
3-2 sol
5 v ref
5v ref
Abs fuse 22 10a
Battery
C red
Camshaft position sensor
Ckp sig
Class 2 data
Clstr fuse 11 10a
Clutch pedal position switch (on clutch pedal support bracket)
Cmp sens
Cpp sw
Crankshaft position sensor (front of engine near crankshaft pulley)
Ect sens
G103 (right rear of cyl head)
G105 (left rear of cyl head)
G105 (left rear of cylinder head)
Ground
Heated oxygen sensor (bank 1 sensor 1) (in left exhaust pipe, front of converter)
Heated oxygen sensor (bank 1 sensor 2) (in exhaust, after catalytic converter)
Heated oxygen sensor (bank 2 sensor 1) (in right exhaust pipe, front of converter)
Ho2s high
Ho2s low
Hot in off, run or start
Hot in run
I/p fuse block
Ign 1
Inj 1
Inj 2
Inj 3
Inj 4 ctrl
Inj 5
Inj 6
Knock sensor (top rear of engine)
Ks sig
Low ref
Nca
Off/crk/run
P/n
Park/neutral position switch (left side of transmission)
Pnk
Powertrain control module (right front of engine compt)
Red
S100
S106
S116
S138
S152
S203
Stoplamp switch (on brake pedal support bracket)
Tan
Tcc sw
Trans sig a
Trans sw b
Trans sw c
Trans sw p

4.3L VIN X, Engine Performance Wiring Diagram (2 of 4) for GMC Sonoma 2004

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List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (2 of 4) for GMC Sonoma 2004:

1-2 shift sol
2-3 shift sol
3-2 shift sol
A10
Automatic transmission
Automatic transmission fluid pressure manual valve position switch
B10
C10
Central sequential fuel injection
D10
D2 sw
D3 sw
D4 sw
E10
Ecm i fuse 15a
Eng i fuse 10a
Evaporative emission canister purge solenoid (top right center of engine)
Evaporative emission canister vent solenoid (rear of fuel tank)
Fuel inj
Hot in run or start
Lo sw
Oxygen fuse 20a
Pnk
Pressure control solenoid valve
Red
Rev sw
Tan
Tcc pwm sol
Tcc sol
Transmission fluid temperature sensor
Under- hood fuse block

4.3L VIN X, Engine Performance Wiring Diagram (3 of 4) for GMC Sonoma 2004

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List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (3 of 4) for GMC Sonoma 2004:

(under left side of dash) data link connector
12v in
A11
A12
Body control module (under dash, on heater case)
Ecm b fuse 20a
Eng spd
Engine coolant temperature sensor (left cylinder head, between two rear spark plugs)
Fuel pump & sender assembly (on top of fuel tank)
Fuel pump prime connector
Fuel pump relay
Fuel tank pressure sensor (top of fuel tank)
G102 (right rear of cylinder head)
G105 (left rear of cylinder head)
G402 (left rear crossmember)
G402 (left rear frame rail)
Gnd
Hot at all times
Instrument cluster
Instrument cluster system
Intake air temperature sensor (in fresh air intake duct)
Maf sig
Manifold absolute pressure sensor (top center of engine)
Mass airflow sensor (maf) (on air intake assy)
Mil input
Pick-up
Pnk
Red
S152
S422 (chassis harn, near breakout to fuel pump & sender assembly)
S423
Splice pack 201 (left side of dash)
Tan
Tan b
Throttle position sensor (on throttle body assembly)
Underhood fuse block
Utility

4.3L VIN X, Engine Performance Wiring Diagram (4 of 4) for GMC Sonoma 2004

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List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (4 of 4) for GMC Sonoma 2004:

(not used)
(right rear of cyl head) g103
(top rear of automatic transmission) c116 (m-m)
1-2 shift
12 v ref
2-3 shift
2wd
4wd
A/c clu
A/c low
A/c req
A/c system
Anti-lock brake system
Axle sw
Charging system
Cruise control system
Cruise eng
Distributor (top rear of engine)
Electronic ignition control module (top right side of engine)
Engine spd
Evap purge
Evap vent
Fuel lev
Fuel pmp rly
G104 (left rear of cylinder head)
G105 (left rear of cyl head)
G117 (left rear of engine compt)
Gen f
Gen t/o
Ground
H02s htr low
High voltage coil wire
Ho2s htr high
Ho2s htr low
Iac a hi
Iac a lo
Iac b hi
Iac b lo
Iat sens
Ic timing
Idle air control valve (on throttle body assembly)
Ign timing sig.
Ignition coil (right side of engine)
Ignition feed
Low ref
Maf sig
Map sig
Mil
Nca
Pc sol
Pnk
Pnk a
Powertrain control module (right side of engine compt)
Red
S106
S134
S140
S152
Spark plugs
Starting/ charging system
Tach. sig.
Tan
Tank pres
Tcc pwm sol
Tcc sol
Tft sensor
Tp sens
Trans sig a
Trans sig c
Transmission system
Vehicle speed sensor (rear of transmission)
Vss
Vss hi
Vss low

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for GMC Sonoma 2004

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List of elements for Back-up Lamps Wiring Diagram for GMC Sonoma 2004:

(a/t)
(left rear frame rail) g475
(m/t) a
(not used)
B/u lp fuse 25a
B11 c2
Back-up lamp switch (m/t) (left side of transmission)
C b
C1 (m/t)
C1 f
C3 a4
C3 b3
C8 c2
F3 c1
G422
Hot in run or start
Left backup lamp
Park/neutral position & back-up lamp switch (left side of transmission)
Pnk
Right backup lamp
Sp400 (on center inside of rear crossmember)
Sp401 (rear of right frame rail)
Sp402 (rear of left frame rail)
Trl b/u fuse 10a
Underhood fuse block (on top of left front inner wheelwell)
Veh b/u fuse 15a

Exterior Lamps Wiring Diagram for GMC Sonoma 2004

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List of elements for Exterior Lamps Wiring Diagram for GMC Sonoma 2004:

(behind right side of dash) g205
(fleetside) d
(in center front of dash) sp204
(left rear frame rail) g475
(not used)
(rear of right cyl head) g102
A10
A8 c1
B12 c1
B2 gnd
Body control module (under dash, on heater case)
Body relay block (behind left side of dash)
C1 a4
C1 c1
C1 d11
C1 e2
C10 c1
C2 c1
C3 c1
C3 e4
C5 c3
Center high mount stop lamp
Cruise control system
D2 c3
D6 c3
E (sportside)
E9 c1
F10 c1
F11
F12 c1
Fleetside
Fr prk fuse 10a
From stop lp fuse (diagram 1 of 1)
G111 (left radiator support)
G112 (right radiator support)
G202 (behind upper left end of dash)
G422
Haz lp fuse 20a
Hazard
Head
Headlamp switch
High mount stop lamp relay
Hot at all times
Hot in run or start
I/p fuse block
Instrument cluster
Interior lights system
Left
Left front marker lamp
Left front park/ turn signal lamp
Left license lamp
Left rear marker lamp
Left rear park/ turn signal lamp
Left turn in
Left turn ind
License lamp
Lr prk fuse 10a
Lt trn fuse 10a
Lt turn fuse 10a
Multi- function switch
Nca
Normal
Off
Park
Park lamp relay
Park lp fuse 20a
Park rly ctrl
Pnk
Prk lp fuse 5 10a
Right
Right front marker lamp
Right front park/ turn signal lamp
Right license lamp
Right rear marker lamp
Right rear park/ turn signal lamp
Right turn in
Right turn ind
Rr prk fuse 10a
Rt trn fuse 10a
Sp100 (at left radiator support)
Sp101 (at right radiator support)
Sp400 (on center inside of rear cross- member)
Sp401 (rear of right frame rail)
Sp402 (rear of left frame rail)
Sportside
Stop lp fuse 20a
Stoplamp switch (on brake pedal support bracket)
To high mount stop lamp relay (diagram 1 of 1)
Tr chmsl fuse 10a
Trailer wiring provision
Turn fuse 20a
Turn pwr c1 flshr out
Turn signal/ hazard flasher module (behind right side of dash)
Underhood fuse block
Underhood fuse block (on top of left front inner wheelwell)
Veh chmsl fuse 10a
W/ power door locks
W/o power door locks

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for GMC Sonoma 2004

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List of elements for Ground Distribution Wiring Diagram (1 of 3) for GMC Sonoma 2004:

(between icm & map sensor breakout, 8 cm from breakout tp icm)
(not used)
(not used) f
(w/o trip) (w/ trip)
A c2
A/c compressor clutch
A/c compressor clutch diode
A/c low pressure switch
A/t
A18
Ambient temperature sensor (w/ overhead console)
Bare
Battery
Body relay block
Brake fluid level switch
Breakout to a/c comp and cutoff switch)
Cruise control module
Cylinder head)
D12
Data link connector (dlc)
Daytime running lamps (drl) relay
Daytime running lamps (drl) relay (zr2)
Driver information center (dic) (utility)
Electronic brake control module
Fuel pump relay
G100 (lower right radiator support)
G101
G102 (rear of right cylinder head)
G103 (rear of right
G104 (on left rear of cylinder head)
G105 (rear of left cylinder head)
G106 (right frame rail, forward of right front wheel)
G107 (right front of eng block)
G108 (right of radiator support, next to battery fuse)
G110 (near windshield washer pump)
G111 (left of radiator support, near sp100)
G112 (right side of radiator support, near sp 101)
Headlamp power relay
Heated oxygen sensor (ho2s) (bank 1 sensor 1) shield
Heated oxygen sensor (ho2s) (bank 1 sensor 2)
Ignition control module
Inflatable restraint sensing & diagnostic module
Instrument panel cluster (ipc)
Left front fog lamp
Left front park/ turn signal lamp
Left horn
M/t
Mass airflow (maf) sensor
Nca
Park/ neutral position (pnp) switch
Powertrain control module (pcm)
Rear window washer pump motor
Remote control door lock receiver
Right front fog lamp
Right front park/ turn signal lamp
Right horn
S106 (eng harn, 7 cm from breakout to ho2s connector)
S140 (eng harn, 13 cm from vss breakout)
S140 (eng harn, 7 cm from vss breakout)
S152
Secondary air injection reactor (air) pump
Sp100 (in forward lamp harn, to left rear of radiator support)
Sp101 (in forward lamp harn, to right inside of radiator support)
Starter relay
Underhood fuse block
Utility
Vehicle speed sensor (vss) shield
Vehicle speed sensor shield
W/ a/c
W/ k18
W/ rke
Windshield washer fluid pump

Ground Distribution Wiring Diagram (2 of 3) for GMC Sonoma 2004

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List of elements for Ground Distribution Wiring Diagram (2 of 3) for GMC Sonoma 2004:

(behind right side of dash, between c203 &
(fleetside)
(fleetside) right license lamp
(not used)
(pickup: rear frame rail crossmember, near fuel filler neck ground strap, utility: left rear frame rail)
(sportside) (fleetside)
(sportside) license lamp
4wd
A12
Air temperature actuator
Ashtray lamp
Automatic transmission shift level position indicator lamp
Automatic transmission shift lock actuator
B12
Bare
Blower motor (man a/c)
Blower motor relay (man a/c)
Body control module
Body relay block
Breakout)
Cigar lighter
Courtesy lamp relay
Crew cab only
Data link connector (dlc)
Door lock relay
Door unlock relay
Driver door handle switch
Driver door jamb switch
Driver door unlock relay
Driver seat belt switch
Ex 4 door utility w/ liftgate
Fog lamp switch
From s427 (diagram 3 of 3)
Front passenger door jamb switch
Fuel pump & sender
G117 (left rear of eng compt, near cruise control module)
G200 (behind upper left end of dash)
G201 (behind upper left end of dash)
G203
G204
G207 (near multi- function switch)
G402
G422
G475 (left rear frame rail, near sp 402)
Headlamp ground relay
Headlamp switch
Hvac control assembly
Ignition key alarm switch
Ignition lock cylinder control actuator
Inflatable restraint i/p module disable switch
Inflatable restraint steering wheel module
Instrument panel cluster (ipc)
Left back-up lamp
Left license lamp
Left rear marker lamp
Left rear park/turn signal lamp
Left steering wheel control switch
Nca
Park switch
Pickup
Pickup & utility w/o auto a/c
Radio
Rear wiper/ washer switch & endgate/ liftgate window release switch
Relay breakout)
Right back-up lamp
Right license lamp
Right rear marker lamp
Right rear park/turn signal lamp
Right steering wheel control switch
S134
S335 4 door utility
S423 (in chassis harn, 8 cm from fuel pump & sender assembly breakout)
Sp202 (left center of dash)
Sp203 (front of ashtray)
Sp401 (rear of right frame rail)
Sp402 (rear of left frame rail)
Splice pack)
Sportside pickup
Tan
Tow haul switch
Trailer wiring provision
Transfer case front propshaft speed sensor shield
Transfer case rear propshaft speed sensor shield
Transfer case shift control switch
Utility
Utility w/ radio controls
Utility w/o radio controls
Vehicle speed sensor (vss) shield
W/ column shift
W/ floor shift
Windshield wiper motor

Ground Distribution Wiring Diagram (3 of 3) for GMC Sonoma 2004

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List of elements for Ground Distribution Wiring Diagram (3 of 3) for GMC Sonoma 2004:

(8-way pwr seat)
(auxiliary power tray harn, near in-line i/p connector)
(behind right side of dash between c203 & splice pack)
(dome harn, between inside air temperature sensor & left vanity mirror lamp breakout, 5 cm from breakout to sensor)
(left door harn, between door speaker & door lock & side window switch breakout)
(left power seat harn, 15 cm from c317)
(others)
(pickup b
(utility) (pickup)
(w/ mem) h d (6-way pwr seat)
4 door
4 door only
Audio amplifier
Auxiliary power outlet
B a
C10
Center high mount stop lamp
Center high mount stop lamp resistor
Crew cab
D12
D13
Dome lamp
Driver door lock & side window switch
Driver door lock cylinder switch
Driver heated seat assembly
Driver lumbar switch
Driver memory seat module
Driver outside rear view mirror
Driver seat adjuster switch
Driver seat belt switch
Except crewcab)
Front passenger door lock & side window switch
Front passenger door lock & window switch
Front passenger door lock cylinder switch
Front passenger heated seat assembly
Front passenger outside rear view mirror
Front passenger seat adjuster switch
Front passenger seat belt switch
Front passenger seat lumbar switch
G202 (behind upper left end of dash)
G204
G205
G420 (utility: right rear corner of vehicle, near c402, pickup: on right rear frame rail)
G450 (on left rear of vehicle, near c403)
Inside air temperature sensor assembly
Inside rear view mirror
Left back-up lamp
Left rear door jamb switch
Left rear park/ turn signal lamp
Left rear tail/ stop lamp
Left vanity mirror lamp
Liftgate release actuator
Nca
Outside rear view folding mirror switch
Outside rear view mirror switch
Pickup except crewcab
Pickup w/ power door locks w/o keyless entry
Rear window defogger grid
Rear window wiper cutout & liftglass ajar jamb switch
Rear window wiper motor controller
Right back-up lamp
Right rear door jamb switch
Right rear park/ turn signal lamp
Right rear tail/ stop lamp
Right vanity mirror lamp
S269
S302
S313
S320 (right power seat harn, 15 cm from c315)
S404 (body harn, 10 cm from high mount stop lamp breakout)
S419 (left tail lamp jpr harn, 8 cm from c403, near taillamp)
S420 (right tail lamp jpr harn, 8 cm from c402)
S427 (lr body harn, near left rear taillamp breakout)
S501
S601 (in right door harn)
Sp204 strapped to body harn, in center front of dash, left of sp 200)
Sunroof control module
To sp202 (diagram 2 of 3)
Transfer case shift control module (np1)
Transfer case shift control module (np8)
Turn signal/ hazard flasher module
Utility
Utility & crew cab
Utility & crewcab
Utility w/ c25
Utility w/ zm8
Utility, crew cab & maxi-cab
W/ enhanced performance audio
W/ folding power mirrors
W/ heated seats
W/ mirror lamps
W/ power door locks except pickup w/o keyless entry
W/o mirror lamps
Window lockout switch

HEADLIGHTS

Headlights Wiring Diagram, with ZR2 for GMC Sonoma 2004

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List of elements for Headlights Wiring Diagram, with ZR2 for GMC Sonoma 2004:

(2.2l)
(4.3l)
(left radiator support) g111
(right radiator support) g112
(right side of dash) g203
5v ref
A11
Ambient light sensor (top left side of dash)
Auto
B10
B12
Battery fuse 175a
Body control module (under dash, on heater case)
Body relay block (left side of dash)
C1 d9
Daytime running lamps relay (taped to body harness, near breakout for rear washer hose)
Drl relay ctrl
E10
E11
E12
E13
Exterior lights system
Fog lamp relay
Fog lamp switch
Fog lp fuse 15a
Fog lp ind
Fog rly ctrl
Fog sw in
Ftp
Ftp in
G102 (rear of right cyl head)
G102 (right front of engine block, under generator)
Hdlp sw fuse 7 10a
Head
Headlamp ctrl
Headlamp power relay
Headlamp switch
High
High beam in
High beam/ flash-to- pass switch
Hot at all times
Hot in run
I/p fuse block
Ign e fuse 10a
Illum
Information not available
Interior lights system
Left fog lamp
Left high beam headlamp
Left low beam headlamp
Light sensor
Low
Lt hdlp fuse 15a
Multifunction switch
Nca
Park
Park brake sw
Park brake switch (base of park brake assembly)
Park lamp relay
Park lp fuse 20a
Park rly ctrl
Pnk
Red
Right fog lamp
Right high beam headlamp
Right low beam headlamp
Rt hdlp fuse 15a
S202
Splice pack sp100
Splice pack sp101
Splice pack sp203
Tbc fuse 10a
Underhood fuse block
Underhood fuse block (top of left front inner wheelwell)

Headlights Wiring Diagram, without ZR2 for GMC Sonoma 2004

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List of elements for Headlights Wiring Diagram, without ZR2 for GMC Sonoma 2004:

(2.2l)
(4.3l)
(left radiator support) g111
(right radiator support) g112
(right side of dash) g203
5v ref
87a
A11
Ambient light sensor (top left side of dash)
Auto
B10
B12
Battery fuse 175a
Body control module (under dash, on heater case)
Body relay block (left side of dash)
C1 b12
C11
Daytime running lamps relay
Drl relay ctrl
E10
E11
E12
E13
Exterior lights system
Fog lamp relay
Fog lamp switch
Fog lp fuse 15a
Fog lp ind
Fog rly ctrl
Fog sw in
Ftp
Ftp in
G102 (rear of right cyl head)
G102 (right front of engine block, under generator)
G200 (left side of dash)
Hdlp
Hdlp sw fuse 7 10a
Headlamp ctrl
Headlamp grounding relay
Headlamp power relay
Headlamp switch
High
High beam in
High beam/ flash-to- pass switch
Hot at all times
I/p fuse block
Illum
Interior lights system
Left fog lamp
Left high beam headlamp
Left low beam headlamp
Light sensor
Low
Lt hdlp fuse 15a
Multifunction switch
Nca
Park brake sw
Park brake switch (base of park brake assembly)
Park lamp relay
Park lp fuse 20a
Park rly ctrl
Pklp
Red
Right fog lamp
Right high beam headlamp
Right low beam headlamp
Rt hdlp fuse 15a
Splice pack sp100
Splice pack sp101
Splice pack sp202 (left center of dash)
Splice pack sp203
Tbc fuse 10a
Underhood fuse block
Underhood fuse block (top of left front inner wheelwell)

HORN

Horn Wiring Diagram for GMC Sonoma 2004

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List of elements for Horn Wiring Diagram for GMC Sonoma 2004:

(except e09) (e09)
(right of radiator support)
Battery fuse 175a
Body control module (under dash, on heater case)
C1 c1
E3 b2
Fuse holder (engine compt, right of radiator)
G111 (left of radiator support)
G112 (right of radiator support)
Horn fuse 15a
Horn relay
Horn relay control
Horn switch
Hot at all times
Left horn (left fender well)
Red
Right horn (right fender well)
Sp100 (left rear of radiator support)
Sp101
Steering wheel
Underhood fuse block (top of left front fender)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for GMC Sonoma 2004

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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for GMC Sonoma 2004:

A10
A11
A12
Air bag ind
Anti-lock brakes ind
B10
B11
B12
Batt
Brake ind
Charge ind
Check gauges ind
Clstr fuse 11 10a
Coolant temperature
Cruise fuse 3 10a
Ctsy lamp fuse 8 10a
Eng spd
Engine oil pressure sensor (top rear of engine, near distributor)
Exterior lights system
Fuel
G203 (right side of dash)
G207 (on steering column, near multi-function switch)
Gauges fuse 4 10a
Ground
High beam ind
Hot at all times
Hot in accy, run or rap
Hot in park or head
Hot in run
Hot in run or start
Hot in run, bulb test or start
I/p fuse block (left end of dash)
Ign 1
Ign 3
Illum fuse 12 10a
Illumination (6 bulb)
Instrument cluster
Interior lights system
Left turn
Low fuel
Mil (service engine soon ind)
Odometer display
Off/run start
Oil
Over speed alarm ind
P r n d 3 2 1
Park sw
Park switch (in steering column)
Pnk
Rdo batt fuse 19 15a
Rdo ign fuse 24 10a
Right turn
S205
S310
Seat belt ind
Security ind
Serial data
Service 4wd ind
Spare
Speedometer
Splice pack sp203 (near ashtray)
Tachometer
Tail gate alarm ind
Tow/haul ind (a/t)
Trip reset
Upshift ind (m/t)
Volt
Vss

Instrument Cluster Wiring Diagram (2 of 2) for GMC Sonoma 2004

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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for GMC Sonoma 2004:

(behind right kick panel) transfer case shift control module
(in chassis harness, near fuel pump)
(left side of transmission) park/neutral position & back-up lamp switch
(near left front inner fender) electronic brake control module
(on left cylinder head) engine coolant temperature sensor
(rear of transmission) c116 (m-m)
(rear of transmission) vehicle speed sensor
(under dash, on heater case) body control module
(w/ trip computer)
(w/o trip computer)
2wd
4wd
A12
Air temp
Ambient air temperature sensor (front center of vehicle, behind fascia)
B10
Bare
Body control module
Body relay block (behind left side of dash, near i/p fuse block)
Clr
Compass sensor (w/ long console: integral to driver information center, w/ short console: in headliner, right of overhead console)
Cruise control system
Data link connector (left side of dash)
Driver information center (in front overhead console)
Ect sens sig in
Ect sensor in
Engine controls system
Fuel level sig in
Fuel pump/ sender (top of fuel tank)
Fused batt
Fused ign
G104 (rear of left cylinder head)
G105 (rear of left cylinder head)
G117 (left rear of engine compt)
G450 (left rear corner of vehicle)
Ground
Ic logic
Int lite dim
Interior lights system
Low ref
Mil ind ctrl
Parklamps
Powertrain control module (right side of engine compt)
Prndl a sig
Prndl b sig
Prndl c sig
Prndl p sig
Rear window wiper cutout & liftglass ajar jamb switch (inside endgate)
Red
S134
S140
S152
S422
S427
Serial data
Splice pack sp200 (center of dash)
Splice pack sp201 (near body relay block)
Tach out
Transfer case shift control module
Underhood fuse block (on top of left front inner wheelwell)
Vss high
Vss in
Vss low
Vss sig out

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for GMC Sonoma 2004

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List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for GMC Sonoma 2004:

2 door
2-door
4 door
4-door
B10
B11
B12
Body control module (under dash, on heater case)
Body relay block (behind left side of dash, near i/p fuse block)
C203
Cargo lamp
Courtesy lamp
Courtesy lamp relay
Ctsy lamp fuse 8 10a
Ctsy lamp switch sig
Dome lamp
Dome lmp
Dome override
Dr handle
Driver door jamb switch
Driver door sw input
Front passenger door jamb switch
G200 (behind upper left end of dash)
G203 (behind right side of dash)
G203 (right side of dash)
G205 (right side of dash)
G405 (right rear body corner)
Headlamp switch
Hot at all times
I/p fuse block (left end of dash)
Inadvertent power
Inadvertent power lamp relay
Int lps detent switch sig c3
Key buzzer
Lamp request
Left console courtesy lamp
Left rear door jamb switch
Liftgate jamb switch c2
Not used
Pickup only
Rear window wiper cutout & liftgate ajar jamb switch
Right console courtesy lamp
Right door handle switch
Right front door jamb c3 switch input
Right rear door jamb switch
S305 (body harn, in right rear door breakout)
S427
S601
Secondary door latch switch sig
Sp202
Sp203
Sp204
Splice pack sp203
Tan
To dome lamp (diagram 2 of 2)
To overhead console (diagram 2 of 2)
To splice s300 (diagram 2 of 2)
To splice s332 (diagram 2 of 2)
W/ overhead console
W/o overhead console

Courtesy Lamps Wiring Diagram (2 of 2) for GMC Sonoma 2004

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List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for GMC Sonoma 2004:

(dome lamp hard, 5 cm from visor vanity mirror lamp left) s310
(w/ ec mirror) (w/o ec mirror)
(w/o ec mirror) (w/ ec mirror)
C301
Center high mounted stop lamp
Dome lamp
Dome light
Driver information display module
From body relay block (diagram 1 0f 2)
From body relay block (diagram 1 of 2)
G202 (left front of dash)
Inside rearview mirror or driver information display module
Inside rearview mirror or driver information display w/o overhead console
Left visor vanity mirror lamp
Overhead console w/ sun roof
Overhead console w/o sun roof
Pickup
Right visor vanity mirror lamp
S300 (dome lamp hard, right front of roof)
S300 (dome lamp hard, top of left "a" pillar)
S302
S310
S332 (dome lamp hard, 7 cm from c300)
Utility
W/ full trip

Instrument Illumination Wiring Diagram for GMC Sonoma 2004

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List of elements for Instrument Illumination Wiring Diagram for GMC Sonoma 2004:

(4) bulbs
(6) bulbs
(right side of dash) g203
(w/ trip)
(w/o trip)
2wd pickup & utility
4wd pickup
4wd utility
A12
Ash tray lamp
Automatic transmission shift lever position indicator
B12
Body control module (under dash, on heater case)
Body relay block (behind left side of dash)
Body relay block (behind left side of dash, near i/p fuse block)
C10
Dim
Dimmer input c3
Dimming control
Driver door lock & window switch
Driver information center
Exterior lamps system
Fog lamp switch
Front passenger door lock & window switch
G200 (behind upper left end of dash)
G202 (behind upper left end of dash)
G203 (behind right side of dash)
G203 (right side of dash)
G205 (behind right side of dash)
Garage door opener
Head
Headlamp switch
Hot at all times
Hvac control assembly
I/p fuse block (left side of dash)
Illum fuse 12 10a
Inflatable restraint i/p module disable switch
Inflatable restraint steering wheel module coil
Input dimmer
Instrument panel cluster
Light switch
Off
Outside rearview mirror switch
Park
Pickup only
Prk lp fuse 20a
Prk lp fuse 5 10a
Prk lps
Radio
Rear def switch illum
Rear wiper/ washer & endgate/ liftglass window release switch
S205 (dash harn, 8 cm from radio breakout)
S282
S283
S335 (floor shift extension harn, 7 cm from prndl lamp breakout)
S336 (floor shift extension harn, 7 cm from prndl lamp breakout)
S390 (dome lamp harness, 5 cm from console breakout)
S501
S502 (left front door harn, near breakout to radio speaker)
S601 (crew cab only)
Sp202 (left center of dash)
Sp203 (near ashtray)
Spice pack sp203
Spice pack sp204
Steering wheel controls
Str whl ill fuse 6 2a
Tow/ haul switch
Transfer case shift control switch
Underhood fuse block (top of left inner wheelwell)
Utility
W/ trip
W/o trip
Window lockout switch (4 door)

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for GMC Sonoma 2004

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List of elements for Power Distribution Wiring Diagram (1 of 5) for GMC Sonoma 2004:

(air jumper harn, between g100 & breakout to eng harn, 5 cm from breakout to eng harn)
(not used)
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
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
Fusible link (10 ga-red)
Gauges fuse 4 10a
Generator
Heated oxygen sensor (ho2s) (bank 1 sensor 1)
Heated oxygen sensor (ho2s) (bank 1 sensor 2)
Heated oxygen sensor (ho2s) (bank 2 sensor 1)
I/p fuse block
Ign a fuse 40a
Ignition coil
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
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
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 2004

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List of elements for Power Distribution Wiring Diagram (2 of 5) for GMC Sonoma 2004:

(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 2004

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List of elements for Power Distribution Wiring Diagram (3 of 5) for GMC Sonoma 2004:

(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)
G204 (behind right side of dash, between c203 & splice pack)
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 auxiliary 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 auxiliary power outlet
Right console courtesy lamp
S223
S268 (auxiliary power tray harn, 9.5 cm from in-line dash connector)
S269
S304 (in body harn, before breakout to left & right rear door)
S310
S311 (in left power seat harn)
Sp203 (in front of ashtray, strapped to body harn)
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 2004

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List of elements for Power Distribution Wiring Diagram (4 of 5) for GMC Sonoma 2004:

(body harn, 13 cm from blower motor breakout)
(eng harn, 10 cm from map sensor breakout)
(left power seat harn, 20 cm from c317)
(right power seat harn, 20 cm from c315)
(w/ np1)
(w/o np1)
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
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
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 2004

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List of elements for Power Distribution Wiring Diagram (5 of 5) for GMC Sonoma 2004:

(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

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for GMC Sonoma 2004

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List of elements for Power Door Locks Wiring Diagram for GMC Sonoma 2004:

(body harn, 6.5 cm from right rear door jamb sw breakout) s307
87a
A5 c1
B11
Battery
Body control module (under dash, on heater case)
Body relay block (behind left side of dash, near i/p fuse block)
C211
D10
Door lock relay
Door unlock relay
Dr lk rly
Dr unlk rly
Driver door lock & window switch
Driver door lock actuator
Driver door unlock relay
Drv dr unlk rly
E10
E11
E12
F10
F12
Front passenger door lock & window switch
Front passenger door lock actuator
G105 (left rear of cylinder head)
G202 (behind upper left end of dash)
Ground
Hot at all times
I/p fuse block (left end of dash)
Ign key switch
Ignition key alarm switch
Instrument cluster system
Left rear door lock actuator (utility)
Liftgate/endgate lock cylinder switch (utility w/ content theft)
Lock
Mir/lck fuse 7 3a
Mirrors system
Pwr lks fuse 14 15a
Remote control door lock receiver (behind lower left side of dash)
Rfa link
Right rear door lock actuator (utility)
S308 (body harn, 16.5 cm from left rear door jamb sw breakout)
Splice pack sp202 (left center of dash)
Tan
Tan b4
Trc fuse 10a
Underhood fuse block (top of left front inner wheelwell)
Unlock
Vss
W/ keyless entry

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for GMC Sonoma 2004

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List of elements for Electrochromic Mirror Wiring Diagram for GMC Sonoma 2004:

A/c system
A/t
Auto
Automatic day/night mirror
Automatic day/night mirror signal
B/u lamp fuse 25a
B11
Back-up lamp switch (on left side of trans- mission)
C1 f
Exterior lights system
G202 (behind upper left end of dash)
Hot in run
Hot in run or start
Hvac1 fuse 21 10a
I/p fuse block
Left outside rearview mirror
M/t
Nca
Off
Park/neutral position (pnp) switch (on left side of transmission)
Photo sensor
Pnk
Power & logic circuits
S217
S302
S309
Underhood fuse block (on top of left front inner wheelwell)
Veh b/u fuse 15a
W/ddo

Power Mirrors Wiring Diagram for GMC Sonoma 2004

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List of elements for Power Mirrors Wiring Diagram for GMC Sonoma 2004:

Body relay block (behind left side of dash, near i/p fuse block)
Day/night mirror circuit
Down
Drivers outside rearview mirror
E12
Electro chromic
F12
Front passenger outside rearview mirror
G202 (behind upper left end of dash)
Hot at all times
Illum
Interior lights system
Left
Left/ right m
Mir/lcks fuse 7 5a
Motor
Nca
Outside rear view mirror switch
Pnk
Power door locks system
Right
S501
Underhood fuse block (left front inner wheelwell)
Up/ down m

POWER SEATS

6-Way Power Seat Wiring Diagram for GMC Sonoma 2004

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List of elements for 6-Way Power Seat Wiring Diagram for GMC Sonoma 2004:

A nca
Back
Body relay block
Driver seat adjuster switch
Driver seat front vertical motor
Driver seat horizontal motor
Driver seat rear vertical motor
Frt dn
Frt up
Fwd
G450 (left rear corner of vehicle)
Hot at all times
Nca
Power seats circuit breaker 25a
Rear dn
Rear up
S311
S313
Tan

8-Way Adjustable Power Seat Wiring Diagram for GMC Sonoma 2004

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List of elements for 8-Way Adjustable Power Seat Wiring Diagram for GMC Sonoma 2004:

Back
Body relay block
Driver seat adjuster switch
Driver seat front vertical motor
Driver seat horizontal motor
Driver seat rear vertical motor
Driver seat recliner motor
Front passenger seat adjuster switch
Front passenger seat front vertical motor
Front passenger seat horizontal motor
Front passenger seat rear vertical motor
Front passenger seat recliner vertical motor
Frt dn
Frt up
Fwd
G450 (left rear corner of vehicle)
Hot at all times
Power seats circuit breaker 25a
Rear dn
Rear up
Recl fwd
Recl rwd
S304
S313
S320
Tan

Heated Seats Wiring Diagram for GMC Sonoma 2004

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List of elements for Heated Seats Wiring Diagram for GMC Sonoma 2004:

Cruise fuse 3 10a
Driver heated seat assembly
Driver heated seat module
Driver lumbar switch
Element control
Front passenger heated seat assembly
Front passenger lumbar switch
Front passenger seat belt switch (open when buckled)
G450 (on left rear corner of vehicle)
Ground
Heated seat relay
Heater element seat back
Heater element seat cushion
Hot at all time
Hot in run
Htd seat fuse 20a
I/p fuse block
Nca
Off
Pnk
S313
S314
S320
S321
Splice pack sp200
Switch signal
Underhood fuse block

POWER WINDOWS

Power Windows Wiring Diagram, 4 Door for GMC Sonoma 2004

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List of elements for Power Windows Wiring Diagram, 4 Door for GMC Sonoma 2004:

(left side of dash) g202
(right side of dash) g205
Body relay block (behind left side of dash, near i/p fuse block)
C1 k
C2 b
Driver door lock & window switch
Driver window motor
Express down module
Front passenger door lock & window switch
Front passenger window motor
G202 (left side of dash)
Hot in acc, run & retained acc power
Hot w/headlamp switch in park or head position
I/p fuse block (on left end of dash)
Illum
Left front window switch
Left rear side window regulator motor
Left rear window switch
Park lp fuse 5 10a
Power window circuit breaker 30a
Right rear side window regulator motor
Right rear window switch
S306
S501
S502
S601
Tan
Window lockout switch

RADIO

Radio Wiring Diagram, with Amplifier, Except Crew Cab for GMC Sonoma 2004

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List of elements for Radio Wiring Diagram, with Amplifier, Except Crew Cab for GMC Sonoma 2004:

A10
A11
A12
Antenna input
B10
B11
B12
Body ground
Coaxial cable
Computer data lines system
G203 (behind right side of dash, between c203 & splice packs)
Ground
Hot at all times
Hot in acc or run
Hot in park & head
I/p fuse block (at left side of dash, near door jamb switch)
Illum ifuse 12 10a
Interior lights system
Lamp sup volt 2
Led dimming signal
Left front door speaker
Left rear speaker
Lf spk out (+)
Lf spk out (-)
Lr spkr out (+)
Lr spkr out (-)
Radio
Radio antenna
Rap fuse sup voltage
Rdo batt fuse 19 15a
Rdo ign fuse 24 10a
Rf spkr out (+)
Rf spkr out (-)
Right front door speaker
Right rear speaker
Rr spk out (+)
Rr spk out (-)
S205
Serial data
Tan

Radio Wiring Diagram, without Amplifier, Crew Cab for GMC Sonoma 2004

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List of elements for Radio Wiring Diagram, without Amplifier, Crew Cab for GMC Sonoma 2004:

(2 door)
(4 door)
(w/o pwr door locks & pwr windows)
(w/pwr door locks & pwr windows)
A10
A11
A12
Antenna input
B10
B11
B12
Body ground
Coaxial cable
Computer data lines system
G203 (behind right side of dash, between c203 & splice packs)
Ground
Hot at all times
Hot in acc or run
Hot in park & head
I/p fuse block (at left side of dash, near door jamb switch)
Illum ifuse 12 10a
Interior lights system
Lamp sup volt 2
Led dimming signal
Left front door speaker
Left rear door speaker (4 door) left rear speaker (2 door)
Lf spk out (+)
Lf spk out (-)
Lr spkr out (+)
Lr spkr out (-)
Radio
Radio antenna
Rap fuse sup voltage
Rdo batt fuse 19 15a
Rdo ign fuse 24 10a
Rf spkr out (+)
Rf spkr out (-)
Right front door speaker
Right rear door speaker (4 door) right rear speaker (2 door)
Rr spk out (+)
Rr spk out (-)
S205
Serial data
Tan

SHIFT INTERLOCK

Shift Interlock Wiring Diagram, with Column Shift for GMC Sonoma 2004

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List of elements for Shift Interlock Wiring Diagram, with Column Shift for GMC Sonoma 2004:

2 door
4 door
Automatic transmission shift lock actuator (in steering column)
B/u lp fuse 25a
B12
Btsi fuse 10a
C12
G200 (left side of dash)
G201 (left side of dash)
Hot in run & start
Park/ neutral position (pnp) switch (on left side of transmission)
Pnk
Splice pack sp202 (behind left center of dash)
Splice pack sp204 (behind center of dash)
Stoplamp switch (on brake pedal support bracket)
Transmission systems (transfer case)
Underhood fuse block (on top of left front inner wheelwell)

STARTING/CHARGING

Charging Wiring Diagram for GMC Sonoma 2004

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List of elements for Charging Wiring Diagram for GMC Sonoma 2004:

(on right side of engine compartment) powertrain control module (pcm)
A10
Battery
Charge indicator
Class 2
Class 2 data
Fuse holder (on lower right side of radiator support, below battery)
Fusible link (10 ga- red)
G106 (on right frame rail, forward of right front wheel)
G107 (on right front of engine block)
G108 (on right side of radiator support, next to battery fuse)
Generator control/ monitoring
Generator l
Hot at all times
I/p fuse block (on left end of dash)
Instrument panel cluster
Logic
Not used
Rdo batt fuse 19 15a
Red
S276
Sound systems
Splice pack sp201 (strapped to body harn, near body relay block)
Starter solenoid

Starting Wiring Diagram for GMC Sonoma 2004

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List of elements for Starting Wiring Diagram for GMC Sonoma 2004:

(a/t)
(m/t only)
(m/t)
(m/t) (a/t)
(not used)
(on rear of right cylinder head)
A/t
A11
Acc
B stud
Batt
Battery
Battery fuse 175a
C1 c2
C3 e2
Clutch start switch (on clutch pedal support bracket)
Crank fuse 10a
D11
F11
Fuse holder (on lower right side of radiator support, below battery)
Fusible link (10 ga- red)
G102
G106 (on right frame rail, forward of right front wheel)
G107 (on right front of engine block)
G108 (on right side of radiator support, next to battery fuse)
Generator
Hold- in coil
Hot at all times
Ign a fuse 40a
Ign c fuse 20a
Ignition switch
Lock
M/t
Off
P/n
Park/neutral position (pnp) switch (lower left side of trans)
Power distribution system
Pull- in coil
Red
Run
Start
Starter motor
Starter relay
Underhood fuse block (on top of left front inner wheelwell)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram for GMC Sonoma 2004

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List of elements for Supplemental Restraints Wiring Diagram for GMC Sonoma 2004:

(at right frame rail, forward of right front wheel) g101
(behind right side of dash, between c203 & splice pack) g203
(no connection)
A10
A11
A12
A13
A14
A15
A16
A17
A18
Air bag indicator
Class 2 serial data
Data link connector (dlc) (partial) (under left side of dash)
Front signal
Ground
High control
Hot in run & start
I/p fuse block (on left end of dash)
Ign
Ignition
Illumination lamp
Indicator control
Indicator lamp
Inflatable restraint ip module
Inflatable restraint ip module disable switch (pickup only)
Inflatable restraint sensing & diagnostic module (under console & carpet, between front seats)
Inflatable restraint steering wheel module
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
Interior lights system
Left inflatable restraint front end discriminating sensor (on left side of front frame crossmember)
Low control
Nca
Pnk
Right inflatable restraint front end discriminating sensor (on right side of front frame crossmember)
S276
Shorting bar
Sir fuse 15a
Sound systems
Splice pack sp201 (strapped to body harn, near body relay block)
Splice pack sp203 (in dash harn, in front of ashtray, strapped to body harness)
Switch signal