All Wiring Diagrams for GMC Sonoma 2000 model

AIR CONDITIONING

2.2L

2.2L VIN 4, Compressor Wiring Diagram for GMC Sonoma 2000

List of elements for 2.2L VIN 4, Compressor Wiring Diagram for GMC Sonoma 2000:

• (right front of engine block, under generator) g119
• 5 volt reference
• 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 pressure signal
• A/c refrigerant pressure sensor (on a/c evaporator tube)
• A/c request signal
• Bi-level a/c
• Blend
• C2 a
• D12
• Defrost
• Diode, in breakout to a/c compressor & cutoff switch) s104
• Heat
• Heater & a/c controller
• Hot at all times
• Hot in run
• Hot in run & start
• 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 front of engine compartment)
• S103 (engine harness, on anode side of a/c compressor clutch diode, in breakout to a/c compressor & cutoff switch)
• Sensor ground
• Underhood fuse block (on top of left front fender)
• Vent

2.2L VIN 4, Manual A/C Wiring Diagram for GMC Sonoma 2000

List of elements for 2.2L VIN 4, Manual A/C Wiring Diagram for GMC Sonoma 2000:

• (dash harness, between breakouts for radio & bcm connector c3, 8 cm from breakout to radio) s205
• (left rear of engine compartment) g104
• (left side of dash) g202
• (right front of engine block, under generator) g119
• (right side of dash) g201
• 0.26 ohms
• 0.71 ohms
• 2.10 ohms
• 5v reference
• 87a
• A/c
• A/c comp relay ctrl
• A/c compressor clutch
• A/c compressor clutch diode
• A/c compressor clutch relay
• A/c fuse 10a
• A/c press sens sig
• A/c refrigerant pressure sensor (on a/c evaporator tube)
• A/c request signal
• 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 module)
• Blower switch
• D (not used)
• D12
• Def
• Electric actuator (temperature) (on top right side of heater)
• Heat
• Heater & a/c controller
• High
• Hot at all times
• Hot in park & head
• Hot in run
• Hot in run & start
• Hvac 1 fuse 21 10a
• 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
• Power mirrors system (automatic day/night mirror)
• Powertrain control module (pcm) (on right front of engine compartment)
• S103 (engine harness, on anode side of a/c compressor clutch diode, in breakout to a/c compressor & cutoff switch)
• S118 (body harn, between breakouts to blower motor & blower motor relay)
• S215 (dash harness, in breakout to heater controller connectors, 10 cm into breakout)
• S217 (dash harness, in breakout to heater controller connectors, 6 cm into breakout)
• Sensor gnd
• Servo amplifier
• Sp202 (strapped to body harness, at left center of dash)
• Sp203 (dash harness, in front of ashtray, strapped to body harness)
• Switch) s104
• Tan
• Temp control
• Underhood fuse block (on top of left front fender)
• Vent

Heater Wiring Diagram for GMC Sonoma 2000

List of elements for Heater Wiring Diagram for GMC Sonoma 2000:

• (left rear of engine compartment) g104
• (left side of dash) g202
• (not used)
• (right side of dash) g201
• 0.26 ohms
• 0.71 ohms
• 2.10 ohms
• 87a
• Bi-level
• 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 module)
• Blower switch
• D (not used)
• D12
• Defrost
• Electric actuator (temperature) (on top right side of heater)
• Heat
• Heater controller
• High
• Hot at all times
• Hot in park & head
• Hot in run
• Hvac 1 fuse 21 10a
• Hvac fuse 30a
• Hvac fuse 9 20a
• I/p fuse block (on left end of dash)
• Illum (x4)
• Illum fuse 12 10a
• Low
• Med
• Mode door switch
• Off
• S118 (body harness, between breakouts to blower motor & blower motor relay)
• S215 (dash harness, in breakout to heater controller connectors, 10 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 fender)
• Vent

4.3L

4.3L VIN W, Compressor Wiring Diagram, Manual A/C for GMC Sonoma 2000

List of elements for 4.3L VIN W, Compressor Wiring Diagram, Manual A/C for GMC Sonoma 2000:

• (engine harness, between breakouts to rear heated oxygen sensors connector & body harness connector, 7 cm from breakout to heated oxygen sensor connector) s106
• (right rear of cylinder head) g117
• A/c
• A/c comp rly ctrl
• A/c compresor clutch
• A/c compressor clutch diode
• A/c compressor clutch relay
• A/c compressor high pressure switch (on rear of a/c compressor)
• A/c fuse 10a
• 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
• Diode, in breakout to a/c compressor & cutoff switch) s104
• Heat
• Heater & a/c controller
• Hot at all times
• Hot in run
• Hot in run & start
• 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 front of engine compartment)
• S103 (engine harness, on anode side of a/c compressor clutch diode, in breakout to a/c compressor & cutoff switch)
• Underhood fuse block (on top of left front fender)
• Vent

4.3L VIN W, Manual A/C Wiring Diagram for GMC Sonoma 2000

List of elements for 4.3L VIN W, Manual A/C Wiring Diagram for GMC Sonoma 2000:

• (dash harness, between breakouts for radio & bcm connector c3, 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) g104
• (left side of dash) g202
• (right rear of cylinder head) g117
• (right side of dash) g201
• 0.26 ohms
• 0.71 ohms
• 2.10 ohms
• 87a
• A/c
• A/c comp rly ctrl
• A/c compressor clutch
• A/c compressor clutch diode
• A/c compressor clutch relay
• A/c compressor high pressure switch (on rear of a/c compressor)
• A/c cycling sw signal
• A/c fuse 10a
• A/c low pressure switch (at a/c accumulator)
• A/c request signal
• 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 module)
• Blower switch
• D (not used)
• D12
• Def
• Electric actuator (temperature) (on top right side of heater)
• Heat
• Heater & a/c controller
• High
• Hot at all times
• Hot in park & head
• Hot in run
• Hot in run & start
• Hvac 1 fuse 21 10a
• 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 front of engine compartment)
• S103 (engine harness, on anode side of a/c compressor clutch diode, in breakout to a/c compressor & cutoff switch)
• S118 (body harness, between breakouts to blower motor & blower motor relay)
• S215 (dash harness, in breakout to heater controller connectors, 10 cm into breakout)
• 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)
• Switch) s104
• Tan
• Temp control
• Underhood fuse block (on top of left front fender)
• Utility
• Vent

4.3L VIN X, Compressor Wiring Diagram, Manual A/C for GMC Sonoma 2000

List of elements for 4.3L VIN X, Compressor Wiring Diagram, Manual A/C for GMC Sonoma 2000:

• (engine harness, between breakouts to rear heated oxygen sensors connector & body harness connector, 7 cm from breakout to heated oxygen sensor connector) s106
• (right rear of cylinder head) g117
• A/c
• A/c comp rly ctrl
• A/c compresor clutch
• A/c compressor clutch diode
• A/c compressor clutch relay
• A/c compressor high pressure switch (on rear of a/c compressor)
• A/c fuse 10a
• 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
• Diode, in breakout to a/c compressor & cutoff switch) s104
• Heat
• Heater & a/c controller
• Hot at all times
• Hot in run
• Hot in run & start
• 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 front of engine compartment)
• S103 (engine harness, on anode side of a/c compressor clutch diode, in breakout to a/c compressor & cutoff switch)
• Underhood fuse block (on top of left front fender)
• Vent

4.3L VIN X, Manual A/C Wiring Diagram for GMC Sonoma 2000

List of elements for 4.3L VIN X, Manual A/C Wiring Diagram for GMC Sonoma 2000:

• (dash harness, between breakouts for radio & bcm connector c3, 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) g104
• (left side of dash) g202
• (right rear of cylinder head) g117
• (right side of dash) g201
• 0.26 ohms
• 0.71 ohms
• 2.10 ohms
• 87a
• A/c
• A/c comp rly ctrl
• A/c compressor clutch
• A/c compressor clutch diode
• A/c compressor clutch relay
• A/c compressor high pressure switch (on rear of a/c compressor)
• A/c cycling sw signal
• A/c fuse 10a
• A/c low pressure switch (at a/c accumulator)
• A/c request signal
• 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 module)
• Blower switch
• D (not used)
• D12
• Def
• Electric actuator (temperature) (on top right side of heater)
• Heat
• Heater & a/c controller
• High
• Hot at all times
• Hot in park & head
• Hot in run
• Hot in run & start
• Hvac 1 fuse 21 10a
• 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 front of engine compartment)
• S103 (engine harness, on anode side of a/c compressor clutch diode, in breakout to a/c compressor & cutoff switch)
• S118 (body harness, between breakouts to blower motor & blower motor relay)
• S215 (dash harness, in breakout to heater controller connectors, 10 cm into breakout)
• 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)
• Switch) s104
• Tan
• Temp control
• Underhood fuse block (on top of left front fender)
• Utility
• Vent

Heater Wiring Diagram for GMC Sonoma 2000

List of elements for Heater Wiring Diagram for GMC Sonoma 2000:

• (left rear of engine compartment) g104
• (left side of dash) g202
• (not used)
• (right side of dash) g201
• 0.26 ohms
• 0.71 ohms
• 2.10 ohms
• 87a
• Bi-level
• 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 module)
• Blower switch
• D (not used)
• D12
• Defrost
• Electric actuator (temperature) (on top right side of heater)
• Heat
• Heater controller
• High
• Hot at all times
• Hot in park & head
• Hot in run
• Hvac 1 fuse 21 10a
• Hvac fuse 30a
• Hvac fuse 9 20a
• I/p fuse block (on left end of dash)
• Illum (x4)
• Illum fuse 12 10a
• Low
• Med
• Mode door switch
• Off
• S118 (body harness, between breakouts to blower motor & blower motor relay)
• S215 (dash harness, in breakout to heater controller connectors, 10 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 fender)
• Vent

ANTI-LOCK BRAKES

Anti-lock Brake Wiring Diagrams, 310 ABS for GMC Sonoma 2000

List of elements for Anti-lock Brake Wiring Diagrams, 310 ABS for GMC Sonoma 2000:

• (under left side of dash) data link connector (dlc)
• 4wd front drive ind lock in
• 4wd ind sw in
• A10
• A12
• Abs fuse 22 10a
• Abs fuse 60a
• Anti-lock indicator
• Body control module (bcm) (under dash on heater case)
• Brake lamp control
• Brake pressure differential switch (center of combination switch)
• Brake sw input
• Brake warning indicator
• Class 2
• Computer data lines system
• Ebcm ground
• Electronic brake control module (ebcm) (left front inner fender)
• Engine controls system
• Except bravada
• Four wheel drive indicator switch (on front axle, right of differential)
• G100 (front of left front fender)
• G114 (left rear of engine)
• G117 (4.3l) (right rear of engine)
• G119 (2.2l) (right front of engine) block)
• Ground
• Ground distribution system
• Hot at all times
• Hot in run
• I/p fuse block
• Ign
• Instrument cluster
• Left front wheel speed sensor
• Lft frt sensor (+)
• Lft frt sensor (-)
• Nca
• Pump motor
• Pump motor high
• Pump motor low
• Pump motor power
• Rdo batt fuse 19 10a
• Red
• Right front wheel speed sensor
• Rt frt sensor (+)
• Rt frt sensor (-)
• S121 (body harn, near breakout to blower motor)
• S138 (body harn, between breakouts to vcm & windshield wiper motor)
• S152
• S240
• Serial data line
• Splice pack (sp201) (left side of dash, below i/p fuse block)
• Stoplight switch (on brake pedal support bracket)
• Tan
• Underhood fuse block
• Vehicle control module (vcm) (on right front of eng comp)
• Vehicle speed out
• Vss input

Anti-lock Brake Wiring Diagrams, 325 ABS for GMC Sonoma 2000

List of elements for Anti-lock Brake Wiring Diagrams, 325 ABS for GMC Sonoma 2000:

• (under left side of dash) data link connector (dlc)
• 2.2l
• 4.3l
• 4wd front drive ind lock in
• 4wd frt whl lk ind
• A10
• A12
• Abs fuse 22 10a
• Abs fuse 60a
• Anti-lock indicator
• Body control module (bcm) (under dash, on heater case)
• Brake fluid level switch (on master cylinder)
• Brake fluid lvl sw
• Brake sw output
• Brake warning indicator
• Class 2
• Computer data lines system
• Electronic brake control module (ebcm) (left front inner fender)
• Engine controls system
• Except bravada & 2.2l w/o cruise
• Four wheel drive indicator switch (on front axle, right of differential)
• Fuse ouput
• Fuse output
• G100 (front of left front fender)
• G117 (4.3l) (right rear of engine)
• G119 (2.2l) (right front of engine) block)
• Grd
• Ground distribution system
• Hot at all times
• Hot in run
• I/p fuse block
• Instrument cluster
• Left front wheel speed sensor
• Lf whl spd sens ret
• Lf whl spd sens sig
• Nca
• Powertrain control module (pcm) (on right front of eng comp)
• Pump motor
• Pump mtr high
• Pump mtr low
• Rdo batt fuse 19 10a
• Red
• Rf whl spd sens ret
• Rf whl spd sens sig
• Right front wheel speed sensor
• S121 (body harn, near breakout to blower motor)
• S138 (body harn, between breakouts to vcm & windshield wiper motor)
• S240
• Serial data
• Splice pack (sp201) (left side of dash, below i/p fuse block)
• Stoplight switch (on brake pedal support bracket)
• Tan
• Underhood fuse block
• Vehicle control module (vcm) (on right front of eng comp)
• Vehicle speed out
• Vss

ANTI-THEFT

Forced Entry Wiring Diagram for GMC Sonoma 2000

List of elements for Forced Entry Wiring Diagram for GMC Sonoma 2000:

• (envoy)
• (except envoy)
• (utility)
• 2 door utility pickup w/ au3
• 4 door utility
• A12
• B10
• B11
• Battery
• Body control module (under dash, on heater case)
• Data
• Data link connector (under left side of dash)
• 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
• G201 (right side of dash)
• G202 (left side of dash)
• G404 (left rear body corner)
• Grd
• Horn relay
• Horns system
• Hot at all times
• Ignition key alarm switch
• Instrument cluster
• Key in ign
• Left door handle switch
• Left rear side door jamb switch
• Liftgate ajar jamb switch
• Liftgate sw
• Pickup
• Rear window wiper cutout & liftglass ajar jamb switch
• Right door handle switch
• Right rear side door jamb switch
• Rr dr sw
• S305 (body harn, on breakout to right rear door, on pillar)
• S427
• S501
• S601
• S900 (right liftgate harness, 5cm before breakout to rear window washer pump motor)
• Security indicator
• Sp202 (left center of dash)
• Splice pack sp201 (below i/p fuse block)
• Splice pack sp203 (near ashtray)
• Splice pack sp204 (center of dash)
• Tan
• Tbc fuse 10a
• Theft
• Underhood fuse block
• Utility

Pass-Key Wiring Diagram for GMC Sonoma 2000

List of elements for Pass-Key Wiring Diagram for GMC Sonoma 2000:

• 2.2l
• 4.3l
• A12
• Battery
• Body control module (under dash, on heater case)
• Data
• Data link connector (under left side of dash)
• Engine controls system (fuel pump relay)
• G202 (left side of dash)
• Grd
• Hot at all times
• Passlock sensor (at ignition switch)
• Powertrain control module (on right front of engine compt)
• Sensor data
• Sensor pwr
• Sensor ret
• Sp202 (left center of dash)
• Splice pack sp201 (below i/p fuse block)
• Tbc fuse 10a
• Underhood fuse block
• Vehicle control module (on right front of engine compt)

BODY COMPUTER

Body Computer Wiring Diagrams for GMC Sonoma 2000

List of elements for Body Computer Wiring Diagrams for GMC Sonoma 2000:

• (103 or 352)
• (524 or 1969)
• 4.3l
• A10
• A11
• A12
• All door lock relay ctrl
• Ambient light sensor input
• Anti-theft system
• B10
• B11
• B12
• Body control module (under dash, on heater case)
• Btsi trans signal
• Class 2 serial data signal
• Computer data lines system
• Courtesy lamp relay ctrl
• Cruise fuse 3 10a
• Dimming ctrl input
• Dimming signal
• Dome lamp ctrl
• Dome over ride switch
• Door locks system
• Driver door jamb switch
• Driver door unlock relay ctrl
• Drl relay ctrl
• Engine controls system
• Exterior lights system
• Flash-to-pass
• Front fog lamp relay ctrl
• Front fog lamp switch input
• G202 (left side of dash)
• Gauges fuse 4 10a
• Ground
• H (envoy)
• Headlamp ambient light sensor (on top left side of dash)
• Headlamp power relay ctrl
• Headlamp request
• Headlights system
• Headlights system (envoy)
• Hi beam relay
• Hi beam relay hi
• High beam input
• Horn relay ctrl
• Horns system
• Hot at all times
• Hot in run
• Hot in run or start
• I/p fuse block (left end of dash)
• Ignition (run)
• Ignition (run/start)
• Ignition key alarm switch (part of ignition switch)
• Inadvertent power relay ctrl
• Instrument cluster system
• Interior lamps request
• Interior lights system
• J (others)
• Key in ignition switch
• Left turn signal input
• Lift glass relay ctrl
• Lift glass release switch
• Light sensor 5v reference
• Park brake switch input
• Park brake warning switch (at base of park brake assembly)
• Park lamp relay ctrl
• Park lamps on input
• Pass door jamb switch
• Pass door unlock relay input
• Passlock data
• Passlock sensor power
• Passlock sensor return
• Pnk
• Power (b+)
• Power distribution system
• Power distribution system (rap)
• Rear doors/lift glass switch
• Rear lift gate ajar switch
• Remote function input
• Remote keyless entry circuit
• Retained accy pwr relay ctrl
• Right turn signal input
• Seat belt switch input
• Sp202 (left center of dash)
• Splice pack sp200
• Tan
• Tbc fuse 10a
• Theft deterrent
• Transmission system
• Trunk, tailgate, fuel doors system
• Underhood fuse block
• Vehicle speed sensor input
• Warning sytems

COMPUTER DATA LINES

Computer Data Lines for GMC Sonoma 2000

List of elements for Computer Data Lines for GMC Sonoma 2000:

• class 2
• (behind right front kick panel) transfer case shift control module
• (not used)
• 2.2l
• 4.3l
• A12
• Body control module (under dash, on heater case)
• Body relay block (behind left side of dash, near i/p fuse block)
• C11
• Cigar ltr fuse 2 15a
• Class 2
• Data link connector (dlc) (under left side of dash)
• Driver information display module (if equipped)
• Electronic brake control module (ebcm) (on left front inner fender, on brake pressure modulator valve)
• Electronic climate control module (w/ auto a/c)
• Envoy only
• G117 (right rear of engine)
• G202 (left side of dash)
• 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 cluster
• Left seat memory module (under left front seat) (if equipped)
• Nca
• Np1 only
• Np8 np4
• Powertrain control module (pcm) (2.2l only) (on right front of engine compartment)
• S152
• Sp202 (left center of dash)
• Splice pack sp201 (left side of dash, below i/p fuse block)
• Tan
• Transfer case shift control module (w/ 4wd) (behind right front kick panel)
• Uart
• Underhood fuse block (on top of left front fender)
• Vehicle control module (vcm) (4.3l only) (on right front of engine compartment)
• Vehicle interface unit (viu) (behind right rear outer panel)

CRUISE CONTROL

Cruise Control Wiring Diagram for GMC Sonoma 2000

List of elements for Cruise Control Wiring Diagram for GMC Sonoma 2000:

• (on left side of firewall)
• 1999 only
• 2.2l
• 4.3l
• 4.3l only
• 4wd only
• A/t
• A12
• A13
• A14
• A15
• Abs fuse 22 10a
• Anti-lock brakes system
• 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)
• Engine control system
• Exterior lights system
• G104 (left rear of engine compt)
• G114 (left rear of engine)
• G117 (right rear of engine)
• 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
• S140
• S152
• 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 fender)
• Vehicle control module (right front of engine compt)
• Vehicle speed input
• Vehicle speed sensor (vss) (on rear of transmission)
• Vss
• Vss high
• Vss low

DEFOGGERS

Defogger Wiring Diagram for GMC Sonoma 2000

List of elements for Defogger Wiring Diagram for GMC Sonoma 2000:

• G201 (right side of dash)
• G202 (left side of dash)
• G405 (right rear body corner)
• Heater & a/c controller (under center of dash)
• Hot at all times
• Hot in run
• Hot in run & start
• Htd mirror fuse 10a
• Hvac 1 fuse 21 10a
• I/p fuse block (on left end of dash)
• Ign e fuse 10a
• Ill
• Interior lights system
• Left outside rear view mirror
• Nca
• On led
• Power disribution system
• Rear pushbutton
• Rear window defogger grid
• Rear window defogger relay
• Right outside rear view mirror
• Rr defog fuse 30a
• S217
• S501
• S601
• Splice pack sp203 (center of dash)
• Splice pack sp204 (center of dash)
• Timer circuit
• Underhood fuse block (on top of left front fender)

ENGINE PERFORMANCE

2.2L

2.2L VIN 4, Engine Performance Wiring Diagrams (1 of 3) for GMC Sonoma 2000

List of elements for 2.2L VIN 4, Engine Performance Wiring Diagrams (1 of 3) for GMC Sonoma 2000:

• (behind left side of dash) sp201
• (brake pedal support bracket) stoplight switch
• (inside of left rear frame rail) g416
• (left frame rail, near transmission) sp422
• (left side of dash) data link connector
• 5v ref
• A/c pres
• A/c refrigerant pressure sensor (on a/c evaporator tube)
• A/c req sig
• A10
• A12
• Abs fuse 22 10a
• Air conditioning system
• All times
• Anti- lock brakes system
• Anti-lock brakes system
• B10
• Battery
• Body control module (under dash, on heater case)
• Ckp ref
• Class 2
• Clstr fuse 11 10a
• Cmp sens
• Cruise control system
• Ecm b fuse 20a
• Ecm i fuse 15a
• Ect sensor
• Fuel level in
• Fuel pump
• Fuel pump & sender
• Fuel pump & sender (top of fuel tank)
• Fuel pump relay
• Fuel tank pres
• Fuel tank pressure sensor (top of fuel tank)
• G119 (right front of engine)
• Gen term l
• Generator
• Hi-res vs out
• Hot at
• Hot in off, run or start
• Hot in run
• Hot in run or start
• I/p fuse block
• Ign
• Ign ctrl 1-4
• Ign ctrl 2-3
• Ign in
• Inj 1
• Inj 2
• Knock sensor (lower right side of eng)
• Ks signal
• Map sensor
• Park/neutral position & back-up lamp switch (left side of transmission)
• Pcm gnd
• Pcm ground
• Pnk
• Powertrain control module (right front of engine compartment)
• Prndl "a"
• Prndl "b"
• Prndl "c"
• Prndl "p"
• Red
• S106
• S129
• S138 (body harn, near wiper motor harn breakout)
• S152
• Serial data ii
• Tcc/clutch sw
• Tft sensor
• Throttle position sensor (on throttle body)
• Tp sensor
• Tx range a
• Tx range b
• Tx range c
• Underhood fuse block
• Vss high

2.2L VIN 4, Engine Performance Wiring Diagrams (2 of 3) for GMC Sonoma 2000

List of elements for 2.2L VIN 4, Engine Performance Wiring Diagrams (2 of 3) for GMC Sonoma 2000:

• & inj 4 breakout) s128
• (fuel inj harn, between fuel inj 3
• 1-2 shift solenoid valve
• 1-4 coil ctrl
• 2-3 coil ctrl
• 2-3 shift solenoid valve
• 3-2 shift solenoid valve
• Automatic transmission
• Automatic transmission fluid pressure manual valve position switch
• Ckp gnd
• Ckp sig
• Coil pos
• Crankshaft position sensor (below ignition coil)
• Engine coolant temperature sensor (front of engine)
• Fuel injectors
• G117 (right rear of engine)
• G119 (right front of engine)
• Gnd
• Ign
• Ign ctrl a
• Ign ctrl b
• Ignition control module (right side of eng)
• Nca
• Oxygen sensor (bank 1, sensor 1) (in exhaust manifold)
• Pnk
• Position signal c pnk
• Pressure control solenoid valve
• Red
• Ref low
• Ref sig
• S133
• S140
• S152
• Shield
• Tan
• To spark plugs
• Torque converter clutch pwm solenoid valve
• Torque converter clutch solenoid valve
• Transmission fluid temperature sensor
• Twisted wire pair
• Vehicle speed sensor (rear of transmission)

2.2L VIN 4, Engine Performance Wiring Diagrams (3 of 3) for GMC Sonoma 2000

List of elements for 2.2L VIN 4, Engine Performance Wiring Diagrams (3 of 3) for GMC Sonoma 2000:

• (behind right headlamp) g107
• (right front of engine) g119
• 1-2 ss valve
• 2-3 ss valve
• 3-2 ss valve
• A/ pres +5v
• A/c clutch rly
• A11
• A6 class 2 data
• Air conditioning system
• Air fuse 30a
• Air pump relay
• Air sol fuse 10a
• Battery fuse 175a
• Camshaft position sensor (right side of eng)
• Cmp sens b+
• Cmp sens gnd
• Cruise control system
• Cruise engaged
• Ect sens
• Eng-i fuse 10a
• Evap can vnt
• Evap canp
• Evaporative emission canister control valve (rear of fuel tank)
• Evaporative emission canister purge solenoid valve (right side of eng)
• F pump rly
• Fuse holder
• G119 (right front of engine)
• Heated oxygen sensor (bank 1, sensor 2 (in exhaust system, after catalytic converter)
• Hot at all times
• Hot in run or start
• Iac coil a hi
• Iac coil a lo
• Iac coil b hi
• Iac coil b lo
• Iat sens
• Iat sens sig
• Icm ref lo
• Idle air control valve (on throttle body assembly)
• Inj 3 driver
• Inj 4 driver
• Instrument cluster
• Instrument cluster system
• Intake air temperature sensor (in fresh air intake duct)
• Manifold absolute pressure sensor (top center of engine)
• Map sens +5v
• Map sensor
• Mil ctrl
• Mil input
• Oxygen fuse 20a
• Pc sol
• Pc sol vlv ctrl
• Pcm gnd
• Pnk
• Post conv o2
• Powertrain control module (right front of engine compartment)
• Pre conv o2
• Red
• S105
• S106
• S152
• Secondary air infection reactor air pump (lower right front of eng compt)
• Secondary air injection reactor fuse block (right front fender)
• Shft ind/tcc
• Sound systems
• Tach signal
• Tan
• Tcc pwm sol
• Tft sensor
• Tp sens +5v
• Under- hood fuse block
• Vss low
• Vss out

2.2L VIN 5, Engine Performance Wiring Diagrams (1 of 3) for GMC Sonoma 2000

List of elements for 2.2L VIN 5, Engine Performance Wiring Diagrams (1 of 3) for GMC Sonoma 2000:

• (behind left side of dash) sp201
• (brake pedal support bracket) stoplight switch
• (eng harn, 7 cm from pcm breakout)
• (left frame rail, near transmission) sp422
• (left side of dash) data link connector
• 10a
• 5v ref
• A/c pres
• A/c refrigerant pressure sensor (on a/c evaporator tube)
• A/c req sig
• A10
• A12
• Abs fuse 22 10a
• Air conditioning system
• All times
• Anti- lock brakes system
• Anti-lock brakes system
• B10
• Battery
• Body control module (under dash, on heater case)
• Ckp ref
• Class 2
• Clstr fuse
• Cmp sens
• Cruise control system
• E10
• Ecm b fuse 20a
• Ecm i fuse 15a
• Ect sensor
• Fuel comp
• Fuel level in
• Fuel pump
• Fuel pump & sender
• Fuel pump & sender (top of fuel tank)
• Fuel pump relay
• Fuel tank pres
• Fuel tank pressure sensor (top of fuel tank)
• G119 (right front of engine)
• G416 (inside of left rear frame rail)
• Gen term l
• Generator
• Hi-res vs out
• Hot at
• Hot in off, run or start
• Hot in run
• Hot in run or start
• I/p fuse block
• Ign
• Ign ctrl 1-4
• Ign ctrl 2-3
• Ign in
• Inj 1
• Inj 2
• Knock sensor (lower right side of eng)
• Ks signal
• Map sensor
• Park/neutral position & back-up lamp switch (left side of transmission)
• Pcm gnd
• Pcm ground
• Pnk
• Powertrain control module (right front of engine compartment)
• Prndl "a"
• Prndl "b"
• Prndl "c"
• Prndl "p"
• Red
• S106
• S109
• S129
• S138 (body harn, near wiper motor harn breakout)
• S152
• Serial data ii
• Tcc/clutch sw
• Tft sensor
• Throttle position sensor (on throttle body)
• Tp sensor
• Tx range a
• Tx range b
• Tx range c
• Underhood fuse block
• Vss high

2.2L VIN 5, Engine Performance Wiring Diagrams (2 of 3) for GMC Sonoma 2000

List of elements for 2.2L VIN 5, Engine Performance Wiring Diagrams (2 of 3) for GMC Sonoma 2000:

• & inj 4 breakout) s128
• (fuel inj harn, between fuel inj 3
• 1-2 shift solenoid valve
• 1-4 coil ctrl
• 2-3 coil ctrl
• 2-3 shift solenoid valve
• 3-2 shift solenoid valve
• A tan
• Automatic transmission
• Automatic transmission fluid pressure manual valve position switch
• Ckp gnd
• Ckp sig
• Coil pos
• Crankshaft position sensor (below ignition coil)
• Engine coolant temperature sensor (front of engine)
• Fuel comp temp sig
• Fuel composition sensor (top right of transmission)
• Fuel injectors
• G117 (right rear of engine)
• G119 (right front of engine)
• Gnd
• Ign
• Ign ctrl a
• Ign ctrl b
• Ignition control module (right side of eng)
• Nca
• Oxygen sensor (bank 1, sensor 1) (in exhaust manifold)
• Pnk
• Position signal c pnk
• Pressure control solenoid valve
• Red
• Ref low
• Ref sig
• Ref sig ctrl
• S133
• S140
• S152
• Shield
• Tan
• To spark plugs
• Torque converter clutch pwm solenoid valve
• Torque converter clutch solenoid valve
• Transmission fluid temperature sensor
• Twisted wire pair
• Vehicle speed sensor (rear of transmission)

2.2L VIN 5, Engine Performance Wiring Diagrams (3 of 3) for GMC Sonoma 2000

List of elements for 2.2L VIN 5, Engine Performance Wiring Diagrams (3 of 3) for GMC Sonoma 2000:

• (behind right headlamp) g107
• (right front of engine) g119
• 1-2 ss valve
• 2-3 ss valve
• 3-2 ss valve
• A/ pres +5v
• A/c clutch rly
• A11
• A6 class 2 data
• Air conditioning system
• Air fuse 30a
• Air pump relay
• Air sol fuse 10a
• Battery fuse 175a
• Camshaft position sensor (right side of eng)
• Cmp sens b+
• Cmp sens gnd
• Cruise control system
• Cruise disable/ fuel level
• Cruise engaged
• Ect sens
• Eng-i fuse 10a
• Evap can vnt
• Evap canp
• Evaporative emission canister control valve (rear of fuel tank)
• Evaporative emission canister purge solenoid valve (right side of eng)
• F pump rly
• Fuse holder
• G119 (right front of engine)
• Heated oxygen sensor (bank 1, sensor 2 (in exhaust system, after catalytic converter)
• Hot at all times
• Hot in run or start
• Iac coil a hi
• Iac coil a lo
• Iac coil b hi
• Iac coil b lo
• Iat sens
• Iat sens sig
• Icm ref lo
• Idle air control valve (on throttle body assembly)
• Inj 3 driver
• Inj 4 driver
• Instrument cluster
• Instrument cluster system
• Intake air temperature sensor (in fresh air intake duct)
• Manifold absolute pressure sensor (top center of engine)
• Map sens +5v
• Map sensor
• Mil ctrl
• Mil input
• Os2 ref
• Oxygen fuse 20a
• Pc sol
• Pc sol vlv ctrl
• Pcm gnd
• Pnk
• Post conv o2
• Powertrain control module (right front of engine compartment)
• Pre conv o2
• Red
• Ref sig
• S105
• S106
• Secondary air infection reactor air pump (lower right front of eng compt)
• Secondary air injection reactor fuse block (right front fender)
• Shft ind/tcc
• Sound systems
• Tach signal
• Tan
• Tcc pwm sol
• Tft sensor
• Tp sens +5v
• Under- hood fuse block
• Vss low
• Vss out

4.3L

4.3L VIN W, Engine Performance Wiring Diagrams (1 of 4) for GMC Sonoma 2000

List of elements for 4.3L VIN W, Engine Performance Wiring Diagrams (1 of 4) for GMC Sonoma 2000:

• (on throttle body assembly) idle air control valve
• (top rear of automatic transmission) c116 (m-m)
• (top right rear of engine) evaporative emissions canister purge solenoid valve
• 1-2 shift sol ctrl
• 2-3 shift sol ctrl
• 2wd
• 3-2 ctrl sol ctrl
• 4wd
• Air pmp rly ctrl
• Anti-lock brakes system
• Cam posit sens rtn
• Cam posit sens sig
• Camshaft position sensor (in distributor)
• Crank posit sens sig
• Crankshaft position sensor (front of engine near crankshaft pulley)
• Ect sens input
• Egr posit input
• Evap can vent valve
• G114 (left rear of engine)
• G117 (right rear of engine)
• Heated oxygen sensor (bank 1 sensor 1) (in left exhaust pipe, front of converter)
• Heated oxygen sensor (bank 2 sensor 1) (in right exhaust pipe, front of converter)
• Iat temp sens sig
• Idle air ctrl (iac) a hi
• Idle air ctrl (iac) b lo
• Inj no 2 ctrl
• Inj no 3 ctrl
• Inj no 4 ctrl
• Inj no 5 ctrl
• Inj no1 ctrl
• Inj no6 ctrl
• Knock sens sig
• Knock sensor (top rear of engine)
• Left sens hi
• Left sens lo
• Map sens input
• Mass air flow sens
• Nca
• Pnk
• Pnk c
• Post-catalyst sens hi
• Post-catalyst sens lo
• Rear whl speed out
• Right sens hi
• Right sens lo
• S140
• S151
• Tach out
• Tan
• Tcc pwm sol ctrl
• Tcc sol ctrl
• Throttle posit sens
• Trans temp sens sig
• Twisted wire pair
• Vapor press
• Vehicle control module (vcm) (right front of engine compt)
• Vehicle speed sensor (rear of transmission)
• Vss rtn
• Vss signal

4.3L VIN W, Engine Performance Wiring Diagrams (2 of 4) for GMC Sonoma 2000

List of elements for 4.3L VIN W, Engine Performance Wiring Diagrams (2 of 4) for GMC Sonoma 2000:

• (in exhaust, behind catalytic converter)
• 1-2 shift sol
• 2-3 shift sol
• 3-2 control sol
• 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 control valve (rear of fuel tank)
• Exhaust gas recirculation valve (top front of engine)
• F10
• Fuel inj
• Heated oxygen sensor (bank 1 sensor 3)
• Hot in run or start
• Lo sw
• Oxygen fuse 20a
• Pnk
• Pnk pnk pnk
• Pressure control solenoid valve
• Red
• Rev sw
• S150
• Tan
• Tan b
• Tcc pwm sol
• Tcc sol
• Transmission fluid temperature sensor
• Under- hood fuse block

4.3L VIN W, Engine Performance Wiring Diagrams (3 of 4) for GMC Sonoma 2000

List of elements for 4.3L VIN W, Engine Performance Wiring Diagrams (3 of 4) for GMC Sonoma 2000:

• (eng harn, 10 cm from
• (eng harn, near a/c compressor cutch diode)
• (in air jumper harn, 5 cm from breakout to engine harn)
• (not used)
• 12v in
• A11
• Air fuse 30a
• Air relay
• Air sol fuse 10a
• Battery fuse 175a
• Body relay block (behind left side of dash)
• Cruise control system
• D (p/u)
• Ecm b fuse 20a
• Engine coolant temperature sensor (left cylinder head, between two rear spark plugs)
• Engine oil pressure gauge sensor (near distributor)
• Fuel level sensor (w/ fuel pump) (fuel tank)
• Fuel pump prime connector
• Fuel pump relay
• Fuel tank vapor pressure sensor (top of fuel tank)
• Fuse holder (right of radiator)
• G101 (right front of engine compt)
• G114 (left rear of engine)
• G416 (left rear crossmember)
• G416 (left rear frame rail)
• Gnd
• Hot at all times
• Hot in run and start
• Ign e fuse 10a
• Input oil pres
• Input speedo
• Instrument cluster
• Intake air temperature sensor (in fresh air intake duct)
• M (utility)
• Maf sig
• Manifold absolute pressure sensor (top center of engine)
• Mass airflow sensor (maf) (on air intake assy)
• Mil input
• Pick-up
• Pnk
• Pnk pnk pnk
• Red
• S100 (eng harn, 4 cm from generator breakout)
• S101
• S105
• S152
• Secondary air injection reactor fuse block (next to battery)
• Secondary air injection reactor pump (lower right front of engine compt)
• Splice pack 422/423 (rear frame rail)
• Tach input
• Tan a
• Throttle position sensor (on throttle body assembly)
• Under- hood fuse block
• Underhood fuse block
• Underhood fuse block connector breakout) s102
• Utility

4.3L VIN W, Engine Performance Wiring Diagrams (4 of 4) for GMC Sonoma 2000

List of elements for 4.3L VIN W, Engine Performance Wiring Diagrams (4 of 4) for GMC Sonoma 2000:

• (center of dash) splice pack sp200
• (not used)
• (under left side of dash) data link connector
• 2wd
• 4wd
• 4wd f whl lock in
• 4wd fuse 15 10a
• 4wd low ind sig
• 5v ref voltage
• 5v return
• A/c comp relay ctrl
• A/c request (hi)
• A/c request (lo)
• A/c system
• A12
• Abs fuse 22 10a
• Anti-lock brakes system
• Body control module (under dash, on heater case)
• Brake switch input
• Check eng lp out
• Clstr fuse 11 10a
• Cpp sw sig in
• Cruise control system
• Cruise engaged sig
• Distributor (top rear of engine)
• Egr valve hi
• Egr valve lo
• Electronic ignition control module (top right side of engine)
• Est output sig
• Evap cann sol ctrl
• Fuel level sig in
• Fuel pump rly ctrl
• Fused ign
• Fused ign (run)
• Fused ign (run/start)
• G114 (left rear of engine)
• Gen ctrl
• Ground
• High voltage coil wire
• Hot in off, run or start
• Hot in run
• I/p fuse block
• Ign timing sig.
• Ignition coil (right side of engine)
• Ignition feed
• Instrument cluster system
• Nca
• P/n
• Park/neutral position & back-up lamp switch (left side of transmission)
• Pnk
• Pnk a
• Power b(+)
• Press ctrl sol hi
• Press ctrl sol lo
• Prndl a sig in
• Prndl b sig in
• Prndl c sig in
• Prndl p sig in
• Red
• S106
• S113
• S138 (body harn, near wiper breakout)
• S152
• Sensor grd
• Serial data class ii
• Serial data sig
• Sound system
• Spark plugs
• Splice pack 201 (left side of dash)
• Splice pack sp200 (center of dash)
• Starting/ charging system
• Stoplamp switch (on brake pedal support bracket)
• Tach. sig.
• Trans range a input
• Trans range b input
• Trans range c input
• Transmissions system
• Vcm grd
• Vehicle control module (vcm) (right front of engine compt)
• Vss sig

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for GMC Sonoma 2000

List of elements for Back-up Lamps Wiring Diagram for GMC Sonoma 2000:

• (a/t)
• (m/t) a
• (not used)
• (not used) b
• (under right rear of vehicle) g417
• A4 c3
• B/u lp fuse 25a
• B3 c3
• Back-up lamp switch (m/t) (left side of trans- mission)
• C b
• C1 (m/t)
• C1 f
• C1 f3
• C2 b11
• C2 c8
• Hot in run or start
• Left back-up lamp
• Park/neutral position & back-up lamp switch (left side of transmission)
• Pnk
• Right back-up lamp
• Splice pack sp400 (center inside of the rear crossmember)
• Splice pack sp401 (rear of right frame rail)
• Splice pack sp402 (rear of left frame rail)
• Trl b/u fuse 10a
• Underhood fuse block (on top of left front fender)
• Veh b/u fuse 15a

Exterior Lamps Wiring Diagram for GMC Sonoma 2000

List of elements for Exterior Lamps Wiring Diagram for GMC Sonoma 2000:

• (behind right side of dash) turn signal hazard flasher module
• (center of dash) sp204
• (fleetside) (sportside) e
• (not used)
• (on rear crossmember) sp400
• (sportside) d
• A10
• A4 c1
• A8 c1
• B2 gnd
• Body control module (under dash, on heater case)
• Body relay block (behind left side of dash)
• C1 b12
• C1 c1
• C1 c10
• C1 c2
• C1 c3
• C1 e9
• C1 f10
• C1 f12
• C1 flshr out
• C2 f7
• C3 c5
• C3 d2
• C3 d6
• Center high mount stop lamp
• D11 c1
• E2 c1
• E4 c3
• F11 c1
• Fr prk fuse 10a
• From tr chmsl (diagram 1 of 1)
• G108 (left radiator support)
• G109 (right radiator support)
• G201 (right side of dash)
• G202 (left side of dash)
• G416 (left rear frame rail)
• G417 (right rear frame rail)
• Haz lp fuse 20a
• Hazard
• Hazard & turn pwr
• Head
• Headlamp switch
• Hight mount stop lamp relay
• Hot at all times
• Hot in run or start
• I/p fuse block (left side of dash)
• Instrument cluster
• Interior lights system
• Left
• Left front park/ turn lamp
• Left front side marker lamp
• Left rear license plate lamp
• Left rear park/ turn/ stop lamp
• Left rear side marker lamp
• Left turn in
• Left turn ind
• Lr prk fuse 10a
• Lt trn (rear) fuse 10a
• Lt turn fuse 10a
• Nca
• Normal
• Off
• Other
• Park
• Park lamp relay
• Park lp fuse 20a
• Park rly ctrl
• Pnk
• Prk lp fuse 10a
• Right
• Right front park/ turn lamp
• Right front side marker lamp
• Right rear license plate lamp
• Right rear park/ turn/ stop lamp
• Right rear side marker lamp
• Right turn in
• Right turn ind
• Rr prk fuse 10a
• Rt trn (rear) fuse 10a
• Rt turn fuse 10a
• S302 (w/ mirror lamps)
• Sp100 (at left radiator support)
• Sp101 (at right radiator support)
• Sp401 (right rear frame rail)
• Sp402 (left rear frame rail)
• 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 signal switch (part of multi- function switch)
• Underhood fuse block (top of left front fender)
• Veh chmsl fuse 10a
• W/o pwr locks

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for GMC Sonoma 2000

List of elements for Ground Distribution Wiring Diagram (1 of 3) for GMC Sonoma 2000:

• (2.2l)
• (4.3l)
• (4.3l) g117 (right rear of eng)
• (ebc310) (ebc325)
• (engine harn, between breakout for left rear & right rear eng block ground)
• (engine harn, in breakout to a/c comp and cutoff switch)
• (envoy)
• (ex envoy)
• (not used)
• (not used) e
• (pcm)
• (vcm)
• (w/o trip) (w/ trip)
• 2.2l
• 2.2l (w/ flex fuel)
• 4.3l
• A/c compressor clutch
• A/c compressor clutch diode
• A/c compressor pressure cycling switch
• A/t
• A18
• Ambient temperature sensor (w/ overhead console)
• Bare
• Battery
• Body relay block
• Brake pressure warning switch
• C3 c2
• Cruise control module
• D12
• Data link connector (dlc)
• Daytime running lamps (drl) relay
• Daytime running lamps (drl) relay (zr2)
• Driver information display module (utility)
• E16
• Electronic brake control module (ebcm)
• Envoy
• Fuel pump relay
• G100 (front of left front fender)
• G108 (left radiator support)
• G109 (right radiator support)
• G114 (left rear of eng)
• G114 (left rear of engine)
• G117 (right rear of eng)
• G118 (right front frame rail)
• G119 (2.2l) (right front of engine block, under generator)
• G119 (right front of eng block)
• Headlamp power relay (ex envoy)
• Heated oxygen sensor (ho2s) (bank 1 sensor 1)
• Heated oxygen sensor (ho2s) (bank 1 sensor 2)
• Heated oxygen sensor (ho2s) (bank 1 sensor 3)
• Heated oxygen sensor (ho2s) (bank 2 sensor 1)
• High mount stop lamp relay (pickup)
• Ignition control module
• Instrument cluster
• Left fog lamp
• Left front park/ turn lamp
• Left headlamp high intensity discharge ballast
• Left high beam headlamp
• Left horn
• Low beam relay (envoy)
• 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 fog lamp
• Right front park/ turn lamp
• Right headlamp high intensity discharge ballast
• Right horn
• S106 (4.3l: eng harn, 7 cm from ho2s breakout 2.2l: eng harn, 25 cm from pcm breakout)
• S140 (engine harn, near end of vss connector)
• S151 (heated oxygen sensor harn, 10 cm from right front heated oxygen sensor)
• S152
• Secondary air injection reactor (air) pump
• Sp100 (left radiator support)
• Sp101 (right radiator support)
• Starter relay
• Tan
• Transfer case shift control module (utility)
• Underhood fuse block
• Vehicle control module (vcm)/ powertrain control module (pcm)
• Vehicle speed sensor (vss) shield
• Vehicle speed sensor shield
• Vss connector)
• W/ rke
• Windshield washer pump motor

Ground Distribution Wiring Diagram (2 of 3) for GMC Sonoma 2000

List of elements for Ground Distribution Wiring Diagram (2 of 3) for GMC Sonoma 2000:

• (bravada) e16
• (envoy)
• (ex bravada)
• (ex envoy)
• (fleetside)
• (not used)
• (sportside) (fleetside)
• (sportside) rear license plate lamp
• (sportside) right rear license plate lamp
• (w/ a/c)
• (w/o a/c)
• 4 door utility & envoy
• 4wd
• 87a
• A16
• Automatic transmission controller
• Automatic transmission indicator lamp
• Automatic transmission preference switch (utility)
• Automatic transmission shift interlock (btsi) solenoid
• B12
• Bare
• Blower motor (man a/c)
• Blower motor control module (auto a/c)
• Blower motor relay (man a/c)
• Body control module
• Body relay block
• Bravada
• Breakout)
• C10
• Cigar lighter
• Courtesy lamp relay
• Data link connector (dlc)
• Door lock relay
• Door unlock relay
• Driver door unlock relay
• E13
• Electric actuator
• Electronic climate control module
• Envoy
• Ex 4 door utility w/ liftgate
• Ex envoy
• Extention harn, 10 cm from vss breakout)
• Fog lamp switch
• Fuel pump & sender
• G104 (left rear of engine compartment)
• G201 (right side of dash)
• G202 (left side of dash)
• G416 (on left rear frame rail)
• G417 (on right rear frame rail)
• Headlamp ground relay
• Headlamp switch
• Heater controller heater & a/c conroller
• I/p ashtray lamp
• I/p compartment lamp
• Ignition key alarm switch
• Ignition key alarm switch (pickup & utility)
• Instrument cluster
• Left back-up lamp
• Left door handle switch
• Left front door jamb switch
• Left rear license plate lamp
• Left rear park & turn signal lamp
• Left rear side marker lamp
• Left seat belt switch
• Motor relay)
• Nca
• Park lock solenoid
• Park position switch
• Pickup
• Radio
• Rear wiper/ washer switch & endgate/ liftgate window release switch
• Redundant
• Redundant steering wheel controls
• Remote compact disk player
• Right back-up lamp
• Right front door jamb switch
• Right rear license plate lamp
• Right rear park & turn signal lamp
• Right rear side marker lamp
• S134
• S335
• Sp202 (left center of dash)
• Sp203 (utility & envoy) (near ashtray)
• Sp401 (rear of right frame rail)
• Sp402 (rear of left frame rail)
• Sp423 (top of rear crossmember)
• Steering wheel controls
• Tan
• Trailer wiring provision
• Transfer case select switch
• Transfer case speed sensor front shield
• Utility
• Utility & pickup
• Utility w/ auto a/c
• Utility w/ man a/c
• Utility w/ radio controls
• Utility w/o radio controls
• Vehicle interface unit (envoy)
• Vehicle speed sensor (vss) shield
• W/ column shift
• W/ floor shift
• Windshield wiper motor

Ground Distribution Wiring Diagram (3 of 3) for GMC Sonoma 2000

List of elements for Ground Distribution Wiring Diagram (3 of 3) for GMC Sonoma 2000:

• (6-way pwr seat)
• (auxiliary power tray harn, near in-line i/p connector)
• (envoy)
• (left door harn, near door speaker)
• (left power seat harn, under left front seat)
• (others)
• (right power seat harn, under right front seat)
• (utility) (pickup)
• (w/ liftglass) (w/ endgate)
• (w/ mem) (8-way pwr seat) h
• (w/ mem) (w/o mem)
• 4 door only
• A b
• All except base pickup
• Amplifier
• Automatic level control air compressor
• Automatic level control inflator switch
• Automatic level control sensor
• Automatic level control solenoid valve
• Automatic level control timer relay
• Automatic transmission preference switch
• Breakout to inside air temperature sensor & left visor mirror)
• C10
• D12
• D13
• Dome & high mount stop lamp
• Endgate or liftgate release actuator
• Envoy
• Floor console auxiliary power outlet
• G201 (right side of dash)
• G202 (left side of dash)
• G404 (left rear body corner)
• G405 (right rear body corner)
• High mount stop lamp
• High mount stop lamp resistor
• Inside air temperature sensor
• Inside rear view mirror
• Left auxiliary power outlet
• Left back-up lamp
• Left door handle switch
• Left door lock & side window switch
• Left door lock cylinder switch
• Left lumbar switch
• Left outside rear view mirror
• Left power seat adjuster switch
• Left rear door jamb switch
• Left rear fog lamp
• Left rear park & turn signal lamp
• Left seat belt switch
• Left seat heater module
• Left seat memory module
• Left sunshade mirror lamp
• Liftgate ajar jamb switch (liftgate)
• Nca
• Others
• Outside rear view folding mirror switch
• Outside rear view mirror switch
• Overhead console
• Pickup
• Rear seat audio control
• Rear window defogger grid
• Rear window wiper cutout and liftglass ajar jamb switch
• Rear window wiper motor (liftgate)
• Rear window wiper motor controller
• Remote tape/ cd player
• Right auxiliary power outlet
• Right back-up lamp
• Right door handle switch
• Right door lock & side window switch
• Right door lock cylinder switch
• Right lumbar switch
• Right outside rear view mirror
• Right power seat adjuster switch
• Right rear door jamb switch
• Right rear fog lamp
• Right rear park & turn signal lamp
• Right seat heater module
• Right sunshade mirror lamp
• S269
• S302
• S313
• S320
• S350 (console harn, 7 cm from 40-pin inline connector)
• S419 (left tail lamp jpr harn, 8 cm from grommet)
• S420 (right tail lamp jpr harn, 8 cm from grommet)
• S427 (body harn, near left rear taillamp breakout)
• S471 (on load leveling harn, in rear quarter)
• S501
• S601 (right door harn)
• Side window lockout switch
• Sp204 (center of dash)
• Sunroof module
• Transfer case shift control module (np1)
• Transfer case shift control module (np8)
• Turn signal lamp flasher
• Utility
• W/ auto day/night mirror
• W/ heated folding power mirrors
• W/ heated seats
• W/ lumbar
• W/ mirror lamps
• W/ power door locks
• W/o auto day/night mirror
• W/o mirror lamps

HEADLIGHTS

Headlight Wiring Diagram, with ZR2 for GMC Sonoma 2000

List of elements for Headlight Wiring Diagram, with ZR2 for GMC Sonoma 2000:

• (2.2l)
• (4.3l)
• (body harn, 130 cm from 48-pin conn near strng col) s202
• (left radiator support) g108
• (right radiator support) g109
• (right side of dash) g201
• 5v ref
• A11
• Ambient light sensor (top left side of dash)
• Audo
• 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
• G117 (right rear of engine)
• G119 (right front of engine block, under generator)
• Hdlp
• Hdlp sw fuse 7 10a
• 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
• Nca
• Park brake indicator switch (base of park brake assembly)
• Park brake sw
• Park lamp relay
• Park lp fuse 20a
• Park rly ctrl
• Pklp
• Pnk
• Red
• Right fog lamp
• Right high beam headlamp
• Right low beam headlamp
• Rt hdlp fuse 15a
• Sp100 (left radiator support)
• Sp101 (right radiator support)
• Sp203 (near ashtray)
• Tbc fuse 10a
• Underhood fuse block
• Underhood fuse block (top of left front fender)

Headlight Wiring Diagram, without ZR2 for GMC Sonoma 2000

List of elements for Headlight Wiring Diagram, without ZR2 for GMC Sonoma 2000:

• (2.2l)
• (4.3l)
• (left radiator support) g108
• (right radiator support) g109
• (right side of dash) g201
• 5v ref
• 87a
• A11
• Ambient light sensor (top left side of dash)
• Audo
• 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
• G117 (right rear of engine)
• G119 (right front of engine block, under generator)
• G202 (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
• Nca
• Park brake indicator switch (base of park brake assembly)
• Park brake sw
• 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
• Sp100 (left radiator support)
• Sp101 (right radiator support)
• Sp202 (left center of dash)
• Sp203 (near ashtray)
• Tbc fuse 10a
• Underhood fuse block
• Underhood fuse block (top of left front fender)

HORN

Horn Wiring Diagram for GMC Sonoma 2000

List of elements for Horn Wiring Diagram for GMC Sonoma 2000:

• Battery fuse 175a
• Body control module (under dash, on heater case)
• Fuse holder (engine compt, right of radiator)
• G108 (engine compt, left of radiator support)
• G109 (engine compt, right inside of radiator support)
• Horn fuse 15a
• Horn relay
• Horn switch
• Hot at all times
• Left horn (left fender wall)
• Red
• Right horn (right fender wall)
• Splice pack sp100 (forward lamp harn, left rear of radiator support)
• Splice pack sp101 (forward lamp harn, right inside of radiator support)
• Steering column
• Underhood fuse block (top of left front fender)
• With anti-theft

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for GMC Sonoma 2000

List of elements for Instrument Cluster Wiring Diagram (1 of 2) for GMC Sonoma 2000:

• (inside endgate) rear window wiper cutout & liftglass ajar jamb switch
• (left side of dash)
• (w/ trip computer)
• (w/o trip computer)
• A10
• A11
• A12
• Air bag ind
• Air temp
• Ambient air temperature sensor (front center of vehicle, near hood latch)
• Anti-lock ind
• B10
• B11
• B12
• Block)
• Body control module (under dash, on heater case)
• Body relay block (behind left side of dash, near i/p fuse
• Body relay block (behind left side of dash, near i/p fuse block)
• Brake ind
• Charge ind
• Check gauges ind
• Clr
• Clstr fuse 11 10a
• Compass remote sensor (in headliner above left front seat)
• Cruise fuse 3 10a
• Ctsy lamp fuse 8 10a
• Driver information display module (in front overhead console)
• Electronic brake control module (on left front inner fender, on brake pressure module valve)
• Engine coolant temperature gauge
• Engine oil pressure gauge sensor (2.2l: right side of engine) (4.3l: top rear of engine, near distributor)
• Exterior lights system
• Fuel gauge
• Fused batt
• Fused ign
• G117 (right rear of engine)
• G201 (right side of dash)
• G202
• G404 (left rear body corner)
• Gauges fuse 4 10a
• Ground
• High beam ind
• Hot at all times
• Hot in accy, run or rap
• Hot in run
• Hot in run or start
• Hot in run, bulb test or start
• Hot w/headlamp sw in park or head
• I/p fuse block (left end of dash)
• Ic logic
• Ign 1
• Illum fuse 12 10a
• Illumination
• Instrument cluster
• Int lite dim
• Interior lights system
• Left turn
• Low fuel
• Mil (service engine soon ind)
• Oil pressure gauge
• Over speed alarm ind
• Park position switch (part of automatic transmission controller)
• Parklamps
• Pnk
• Prndl
• Rdo batt fuse 19 15a
• Rdo ign fuse 24 10a
• Red
• Right turn
• S152
• S205
• S208
• S240
• S310
• S427
• S900
• Seat belt ind
• Security ind
• Serial data
• Service 4wd ind
• Service body system ind
• Spare
• Speedometer
• Splice pack sp201 (left side of dash)
• Splice pack sp203 (near ashtray)
• Tachometer
• Tail gate alarm ind
• Transfer case shift control module (behind right front kick panel)
• Trip/ odo
• Underhood fuse block (on top of left front fender)
• Upshift ind
• Volt reg
• Volt- meter
• Vss in
• W/310 g
• W/325

Instrument Cluster Wiring Diagram (2 of 2) for GMC Sonoma 2000

List of elements for Instrument Cluster Wiring Diagram (2 of 2) for GMC Sonoma 2000:

• (eng harn, 8 cm from generator breakout)
• (not used)
• (pickup) a
• (utility) j
• 2.2l
• 2wd
• 4.3l
• 4wd
• Body control module
• C116 (m-m) (near top rear of transmission)
• Cruise control system
• Ect sens grd
• Ect sens sig in
• Ect sensor in
• Ect sensr grd
• Engine coolant temperature sensor (front of engine, in coolant piping)
• Engine coolant temperature sensor (left cylinder head, between two rear spark plugs) b
• Fuel level sens grd
• Fuel level sensor w/ fuel pump (top of fuel tank)
• Fuel level sig in
• Fuel lvl in
• G115 (rear of engine)
• G117 (right rear of engine)
• Mil ind
• Mil ind ctrl
• Park/neutral position & back-up lamp switch (left side of transmission)
• Powertrain control module (2.2l only) (right front of engine compt)
• Prndl a
• Prndl a sig
• Prndl b
• Prndl b sig
• Prndl c
• Prndl c sig
• Prndl p
• Prndl p sig
• Radio (except bravada)
• S100 (engine harn, 30 cm from vcm breakout)
• S102
• S152
• Serial data
• Splice pack sp200 (center of dash)
• Splice pack sp422 (near transmission)
• Splice pack sp422/423 (left side of dash)
• Tach out
• Vehicle control module (4.3l only) (right front of engine compt)
• Vehicle speed sensor (rear of transmission)
• Vehicle speed sensor (rear transmission)
• Vss high
• Vss low
• Vss out
• Vss sig out

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for GMC Sonoma 2000

List of elements for Courtesy Lamps Wiring Diagram for GMC Sonoma 2000:

• (1999)
• (2000-01)
• (w/ ec mirror)
• (w/o ec mirror) b
• (w/o ec mirror) c
• Anti-theft system
• B12
• Body control module (under dash, on heater case)
• Body relay block (left side of dash, right of i/p fuse block)
• Courtesy lamp
• Courtesy lamp relay
• Ctsy lamp fuse 8 10a
• Dome lamp
• Dr handle sw input c3
• G201 (right side of dash)
• G202 (left side of dash)
• Hot at all times
• I/p compartment lamp
• I/p fuse block
• Inadvertent power
• Inadvertent power lamp relay
• Inside rearview mirror lamp or driver information display module
• Jamb sw input
• Lamp request c2
• Left console courtesy lamp
• Left front door jamb switch
• Left visor vanity mirror lamp
• Nca
• Right console courtesy lamp
• Right front door jamb switch
• Right visor vanity mirror lamp
• S208
• S300 (dome lamp harn, 12 cm from breakout to the dome lamp)
• S302
• S332 dome lamp harn, 4 cm from dome lamp breakout)
• Sp202
• Sp203 (near ashtray)
• Tan
• Underhood lamp
• W/ lighted mirror only

Instrument Illumination Wiring Diagram for GMC Sonoma 2000

List of elements for Instrument Illumination Wiring Diagram for GMC Sonoma 2000:

• (4) bulbs
• (6) bulbs
• (bravada)
• (except bravada)
• (left front door harn, 8 cm from radio speaker breakout) s502
• (right side of dash) g201
• (w/ trip)
• (w/o trip)
• A b
• A5 dimmer input c3
• Ash tray lamp
• Automatic transmission controller indicator lamp
• Automatic transmission preference switch
• B a
• B12
• Body control module (under dash, on heater case)
• Body relay block (behind left side of dash)
• Body relay block (left side of dash, right of i/p fuse block)
• C10
• C224
• Dim
• Driver information display module
• Envoy
• Except envoy
• Exterior lamps system
• Fog lamp switch
• G201 (right side of dash)
• G202 (left side of dash)
• Head
• Headlamp switch
• Heater controller or heater & a/c controller or electronic climate control (ecc)
• Hot at all times
• I/p fuse block (left side of dash)
• Illum fuse 12 10a
• Input dimmer
• Instrument cluster
• Left door lock & side window switch
• Light switch
• Off
• Outside rearview mirror switch
• Park
• Pickup only
• Prk lp fuse 20a
• Prk lp fuse 5 10a
• Prk lps c2
• Radio
• Rear seat audio control
• Rear window defog switch
• Rear wiper/ washer & endgate/ liftglass window release switch
• Remote audio player
• Right door lock & side window switch
• S205 (dash harn, 8 cm from am/fm radio breakout)
• S283 (dash harn, 13 cm from body control module breakout)
• S335 (floor shift extension harn, 7 cm from lamp breakout)
• S336 (floor shift extension harn, 7 cm from lamp breakout)
• Sp202 (left center of dash)
• Sp203 (near ashtray)
• Steering wheel controls
• Str whl ill fuse 6 2a
• Transfer case shift control switch
• Underhood fuse block (top of left inner wheelwell)
• Utility w/o ecc only
• Utility, except envoy
• W/ electronic climate control
• W/o electronic climate control a b
• Window lockout switch (4 door)

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for GMC Sonoma 2000

List of elements for Power Distribution Wiring Diagram (1 of 5) for GMC Sonoma 2000:

• (2.2l)
• (4.3l)
• (air jumper harn, between ground on right radiator support & breakout to eng harn)
• 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
• Camshaft position (cmp) sensor (4.3l)
• Central sequential fuel injection (4.3l)
• Crankshaft position (ckp) sensor (4.3l)
• D10
• E10
• Ecm 1 fuse 15a
• Electronic ignition control module (icm)
• Eng 1 fuse 10a
• Evaporative emissions (evap) canister purge solenoid valve
• Evaporative emissions (evap) canister vent solenoid valve
• 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 3) (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 switch
• Instrument cluster
• Lock
• Mass airflow (maf) sensor (4.3l)
• Multi- function switch
• Nca
• Off
• Oxygen fuse 20a
• Pickup
• Pnk
• Powertrain control module (pcm) (2.2l)
• Red
• Run
• S105
• S150 (heated oxygen sensor harn, pnk near heated oxygen sensor breakout)
• 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
• Vehicle control module (vcm) (4.3l)

Power Distribution Wiring Diagram (2 of 5) for GMC Sonoma 2000

List of elements for Power Distribution Wiring Diagram (2 of 5) for GMC Sonoma 2000:

• (body harn, near rear doors breakout) s309
• (load leveling harn, in rear quarter)
• (not used)
• (w/ automatic day/night mirror)
• (w/ ebc325) (w/ ebc310)
• 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 a
• B/u lp fuse 25a
• B11
• B12
• Back-up lamp switch
• Blower motor control module
• Blower motor relay
• Body relay block
• Btsi fuse 10a
• C12
• C2 c3
• D12
• Daytime running lamp (drl) relay
• Daytime running lamps (drl) relay (envoy)
• Electronic brake control module (ebcm)
• Envoy
• 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 (ex envoy)
• 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)
• Load leveling height sensor (envoy)
• Load leveling pump (envoy)
• Lock
• M/t
• Multi- function switch
• Off
• Park lamp relay
• Park lp fuse 20a
• Park/ neutral position (pnp) switch
• Pnk
• Rear defogger relay (utility)
• Red
• Right back-up lamp (pickup)
• Right back-up lamp (utility)
• Run
• S473 pnk
• Secondary air injection reactor fuse block (calif)
• Sp204 (center front of dash)
• Sp400 (center 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/ electronic climate control
• W/ zr2
• W/o electronic climate control

Power Distribution Wiring Diagram (3 of 5) for GMC Sonoma 2000

List of elements for Power Distribution Wiring Diagram (3 of 5) for GMC Sonoma 2000:

• (auxiliary power outlet harn, near left and right aux power outlets)
• (body harn, near rear doors breakout)
• (bravada) f10
• (dome lamp harn, 5 cm from left sunshade mirror lamp breakout) s310
• (envoy)
• (ex bravada)
• (ex envoy)
• (i/p harn, 4 cm from bcm breakout)
• (i/p harn, near breakout to pcm) s276
• (not used)
• (pickup)
• (utility)
• 2 door
• 2.2l
• 4 door
• 4.3l
• A10
• Ampf fuse 20 25a e1
• Amplifier (premium sound)
• Automatic a/c
• Aux pwr fuse 13 25a
• B c
• Body relay block
• C12
• C301
• Cargo lamp (utility)
• Cigar lighter
• Cigar ltr fuse 2 15a
• Ctsy lp fuse 8 10a
• Data link connector (dlc)
• Daytime running lamp (drl) relay (envoy)
• Daytime running lamp (drl) relay (ex envoy)
• Dome lamp (utility) dome lamp & center mounted stop lamp (pickup)
• Dome lamp (w/ sunroof)
• Dome lamp (w/o sunroof)
• Door lock relay
• Door unlock relay
• Driver information display module
• Driver information display module (w/o trip computer)
• Driver's door unlock relay
• Drl fuse 15a
• Ecm b fuse 20a
• Electronic climate control module
• Floor console auxiliary power outlet (envoy)
• 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)
• Fuel pump relay
• G201 (right side of dash)
• Hdlp sw fuse 7 10a
• Headlamp low beam relay (envoy)
• Headlamp switch
• Hi beam fuse 20a (envoy)
• I/p fuse block
• Inadvertent power lamp relay
• Instrument cluster
• Int bat fuse 50a 60a
• Left auxiliary power outlet
• Left front console courtesy lamp
• Left headlamp ballast (hid)
• Left lumbar switch
• Left power seat adjuster switch
• Lt low fuse 20a
• Manual a/c
• Nca
• Power seats circuit breaker 25a (utility)
• Powertrain control module (pcm)
• Pwr lks fuse 14 15a
• Radio
• Rap fuse 50a
• Rdo bat fuse 19 15a
• Rear auxiliary power outlet (envoy)
• Red
• Remote tape/cd player (bravada)
• Right auxiliary power outlet
• Right front console courtesy lamp
• Right headlamp ballast (hid)
• Right power seat adjuster switch
• Rt low fuse 20a
• S223
• S268
• S304
• S311 (in left power seat harn)
• Seat adjuster memory module
• Sp203 (near ashtray)
• Tan
• To hi beam fuse (diagram 3 of 5)
• To high beam relay (diagram 5 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
• Universal garage door opener module
• Utility
• Utility w/ oeverhead trip console
• Utility w/o overhead console & pickup
• Utility w/overhead
• Vehicle control module (vcm)
• Vehicle interface unit (envoy)
• W/ auto a/c: near bcm breakout) s208
• W/ memory
• W/o memory

Power Distribution Wiring Diagram (4 of 5) for GMC Sonoma 2000

List of elements for Power Distribution Wiring Diagram (4 of 5) for GMC Sonoma 2000:

• (body harn, 13 cm from blower motor breakout) pnk
• (left power seat harn, under left front seat)
• (load leveling harn, in rear quarter)
• (right power seat harn, under right front seat)
• (w/ np1)
• (w/o np1)
• 2.2l
• 4.3l
• A/c compressor clutch relay
• A/c fuse 10a
• A10
• Atc fuse 20a
• Automatic level control air compressor
• Automatic level control timer relay
• Automatic transmission
• Automatic transmission shift lock (btsi) solenoid (w/ floor shift a/t)
• Body control module
• Body relay block
• C1 a1
• C175
• Clutch pedal position (cpp) switch (m/t)
• Crank fuse 10a
• Cruise control module
• D11
• D14
• D15
• D16
• Daytime running lamps (drl) relay (ex envoy)
• Dome & high mount stop lamp
• E10
• E11
• E12
• Estc 4wd
• Ex bravada
• 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)
• Headlamp power relay (ex envoy)
• High mount stop lamp
• 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 cluster
• K6 clstr fuse 11 10a l5
• Ldlev fuse 25a (envoy)
• Left door lock/ window switch
• Left low beam headlamp
• Left lumbar switch
• Left outside rearview mirror
• Left seat heater module
• Lift- glass relay (utility)
• Liftgate or endgate lock cylinder switch
• Lt hdlp fuse 15a (ex envoy)
• 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)
• Pickup
• Pnk
• Pnk (eng harn, 20 cm from a/c pressure sensor breakout)
• Powertrain control module (pcm)
• Rear defogger relay (utility)
• Rear window defogger grid (utility)
• Rear window wiper motor
• Remote control door lock receiver
• Right door lock/ window switch
• Right high beam headlamp
• Right low beam headlamp
• Right lumbar switch
• Right outside rearview mirror
• Right seat heater module
• Rr defog fuse 30a
• Rr w/w fuse 15a (utility)
• Rt hdlp fuse 15a (ex envoy)
• S113
• S129
• S314
• S321
• S405 (body harn, 10 cm before hmsl breakout)
• S474
• Stop lp fuse 20a
• Tbc fuse 10a
• Tcc/ stop lamp switch
• To a/c fuse (diagram 4 of 5)
• To ground at right rear body corner)
• Trailer wiring provisions
• Transfer case encoder motor
• Transfer case shift control module
• Trchmsl fuse 10a
• Under- hood fuse block
• Utility
• Vechmsl fuse 10a
• Vehicle control module (vcm)
• W/ rke
• W/np1
• W/o np1

Power Distribution Wiring Diagram (5 of 5) for GMC Sonoma 2000

List of elements for Power Distribution Wiring Diagram (5 of 5) for GMC Sonoma 2000:

• (body harn, 7 cm from g404 breakout)
• (bravada) c1
• (ebc310)
• (ebc325)
• (envoy)
• (ex bravada)
• (ex envoy)
• (i/p harn, in heater controller breakout) s217
• (i/p harn, near i/p fuse block) s204
• (not used)
• (w/ trip)
• (w/np1)
• (w/o np1)
• (w/o trip)
• 4.3l 2wd
• 4wd fuse 15 10a g3
• 87a
• A11
• A5 c4
• Abs fuse 22 10a
• Body control module
• Body relay block
• C12
• C474
• Cruise control module
• Cruise fuse 3 10a
• Driver information display module
• E10
• Electric actuator
• Electronic brake control module (ebcm)
• Electronic climate control module
• Envoy
• Ex envoy
• Except base pickup
• Four wheel drive indicator switch
• From 4wd fuse (diagram 5 of 5)
• From hi beam fuse (diagram 3 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 drive axle clutch solenoid
• Frt wpr fuse 17 25a
• Heater & a/c controller
• Heater & a/c controller or heater controller (w/o electronic climate control)
• Heater controller (w/ c42)
• High beam relay
• Hvac 1 fuse 21 10a
• Hvac fuse 9 20a
• Hvac vacuum control solenoid nvalve
• I/p fuse block
• Inside air temperature sensor
• Inside rear view mirror (w/ automatic day/night mirror)
• Instrument cluster
• Left door lock and window switch
• Left high beam headlamp
• Left lumbar switch
• Lt hi fuse 10a
• Multi- function switch
• Multifunction switch
• Nca
• Outside rear view folding mirror switch
• Pickup
• Power window circuit breaker 30a
• Radio
• Rdo ign fuse 24 10a
• Rear seat audio module
• Rear wiper/ washer switch & endgate/ liftgate window release switch (utility)
• Redundant steering wheel controls (utility)
• Retained accessory power (rap) relay
• Right door lock and window switch (2 door)
• Right high beam headlamp
• Right lumbar switch
• Rr wpr fuse 23 15a
• Rt hi fuse 10a
• S290
• S476
• Sp200 (center front of dash)
• Stop- lamp switch
• Str whl rdo ign fuse 18 2a
• Sunroof module (utility)
• To hvac fuse (diagram 5 of 5)
• Transfer case select switch (w/ np1 or np8)
• Transfer case shift control module
• Underhood fuse block
• Utility
• Utility w/ electronic climate control
• Utility w/ manual hvac control
• Vehicle control module (vcm)
• Vehicle control module (vcm) (w/o electric shift 4wd)
• Vehicle interface unit
• W/ np1 or np8
• W/o memory
• Window lockout switch (4 door)
• Windshield wiper motor

POWER DOOR LOCKS

Power Door Lock Wiring Diagram for GMC Sonoma 2000

List of elements for Power Door Lock Wiring Diagram for GMC Sonoma 2000:

• (body harn, near breakout to rear doors) s307
• 87a
• A5 c1
• B11
• Battery
• Body control module (under dash, on heater case)
• Body relay block
• 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 actuator
• Driver door lock and window switch
• Driver door unlock relay
• Drv dr unlk rly
• E10
• E11
• E12
• Endgate or liftgate lock cylinder switch
• F10
• F12
• Front passenger door lock actuator
• Front passenger door lock and window switch
• G117 (right rear of engine)
• G202 (left side of dash)
• Ground
• Hot at all times
• I/p fuse block
• Ign key switch
• Ignition key alarm switch
• Left rear door lock actuator
• Liftgate lock actuator
• Lock
• Mir/lck fuse 7 3a
• Mirrors system
• Pwr lks fuse 14 15a
• Remote control door lock receiver (behind lower left side of dash)
• Right rear door lock actuator
• S308 (body harn, near breakout to left rear door)
• Splice pack sp202 (left center of dash)
• Tan
• Tan b4
• Trc fuse 10a
• Underhood fuse block
• Unlock
• Vehicle speed system
• Vss
• W/ keyless entry

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for GMC Sonoma 2000

List of elements for Electrochromic Mirror Wiring Diagram for GMC Sonoma 2000:

• (body harn, between rear door and endgate connector)
• (left side of dash) g202
• A/t
• Auto
• Automatic day/night mirror signal
• B/u lamp fuse 25 25a
• B11
• Back-up lamp switch (on left side of trans- mission)
• C2 f
• Exterior lights system
• Hot in run
• Hot in run or start
• Hvac1 fuse 21 10a
• I/p fuse block (on left end of dash)
• Inside rearview mirror (automatic day/ night mirror)
• Interior lamps system
• Left outside rear view mirror
• M/t
• Nca
• Off
• Park/neutral position & back-up lamp switch (on left side of transmission)
• Photo sensor
• Pnk
• Power & logic circuits
• S302
• S309
• Underhood fuse block (on top of left front fender)
• Veh b/u fuse 12 15a
• W/ddo

Power Mirrors Wiring Diagram for GMC Sonoma 2000

List of elements for Power Mirrors Wiring Diagram for GMC Sonoma 2000:

• 1999-01
• Body relay block (behind left side of dash, near i/p fuse block)
• Down
• Driver outside rearview mirror
• E12
• F12
• Front passenger outside rearview mirror
• G202 (left side of dash)
• Hot at all times
• Ilum
• Interior lights system
• Left
• Left/ right m
• Mir/lcks fuse 7 3a
• Motor
• Nca
• Outside rear view mirror switch
• Power door locks system
• Right
• S501
• Underhood fuse block
• Up/ down m

POWER SEATS

6-Way Power Seat Wiring Diagram for GMC Sonoma 2000

List of elements for 6-Way Power Seat Wiring Diagram for GMC Sonoma 2000:

• A nca
• Back
• Body relay block
• Driver seat adjuster switch
• Driver seat front vertical motor
• Driver seat horizontal motor
• Driver seat rear vertical motor
• Front passenger seat adjuster switch
• Front passenger seat front vertical motor
• Front passenger seat horizontal motor
• Front passenger seat rear vertical motor
• Frt dn
• Frt up
• Fwd
• G404 (left rear body corner)
• Hot at all times
• Nca
• Power seats circuit breaker 25a
• Rear dn
• Rear up
• S304
• S313
• S320
• Tan

8-Way Adjustable Power Seat Wiring Diagram for GMC Sonoma 2000

List of elements for 8-Way Adjustable Power Seat Wiring Diagram for GMC Sonoma 2000:

• Back
• Body relay block
• Driver power recliner motor
• Driver seat adjuster switch
• Driver seat front vertical motor
• Driver seat horizontal motor
• Driver seat rear vertical motor
• Front passenger power recliner vertical motor
• Front passenger seat adjuster switch
• Front passenger seat front vertical motor
• Front passenger seat horizontal motor
• Front passenger seat rear vertical motor
• Frt dn
• Frt up
• Fwd
• G404 (left rear body corner)
• 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 2000

List of elements for Heated Seats Wiring Diagram for GMC Sonoma 2000:

• Batt
• Cruise fuse 3 10a
• Driver heated seat control module
• Driver seat lumbar switch
• Front passenger heated seat control module
• Front passenger seat lumbar switch
• G404 (left rear body corner)
• Gnd
• Heated output
• 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
• Splice pack sp200
• Sw/ntc
• Underhood fuse block

Lumbar Wiring Diagram for GMC Sonoma 2000

List of elements for Lumbar Wiring Diagram for GMC Sonoma 2000:

• (not used)
• Body relay block
• Driver seat lumbar switch
• Front passenger seat lumbar switch
• G404 (left rear body corner)
• Hot at all times
• Htd seat fuse 20a
• Left lumbar motor
• Nca
• Out
• Pnk
• Power seats circuit breaker 25a
• Right lumbar motor
• S311
• S313
• S320
• S427
• Underhood fuse block

POWER WINDOWS

Power Window Wiring Diagram for GMC Sonoma 2000

List of elements for Power Window Wiring Diagram for GMC Sonoma 2000:

• Body relay block (behind left side of dash, near i/p fuse block)
• C1 f
• C1 k
• C2 c
• Express down module
• G202 (left side of dash)
• Hot in acc, run & retained acc power
• Illum lamp
• Illumination lamp
• Interior lights system
• Left door lock & side window switch
• Left front window motor
• Left front window switch
• Power window circuit breaker 30a
• Right door lock & side window switch
• Right front window motor
• Right front window switch
• S501
• Tan

RADIO

Radio Wiring Diagrams, with Amplifier for GMC Sonoma 2000

List of elements for Radio Wiring Diagrams, with Amplifier for GMC Sonoma 2000:

• (i/p harn, between breakouts to bcm & radio)
• 1998-00
• 2.2l
• 4.3l
• A10
• A11
• A12
• Amp feed
• Ampf fuse 20 25a
• Antenna
• Audio amplifier (in center console)
• Audio rtn
• B10
• B11
• B12
• Bare
• Battery
• Body control module (under dash, on heater case)
• Drain rtn
• E&c diag
• Engine controls system
• Ft aud rtn
• Ft low
• Fuse out
• G201 (right side of dash)
• Ground
• Hot at all times
• Hot in acc or run
• I/p fuse block
• Ign
• Interior lights system
• Led dim
• Left front door speaker
• Left rear speaker
• Lf audio
• Lf drain
• Lf low
• Lf sp feed
• Lf sp rtn
• Lock coil 2
• Lr audio
• Lr low
• Lr sp feed
• Lr sp rtn
• Lt audio
• Lt remote
• Nca
• Pnk
• Powertrain control module (right front of engine compartment)
• Pwr ant
• Radio
• Radio on
• Rdo batt fuse 19 15a
• Rdo ign fuse 24 10a
• Rear return
• Remote rtn
• Rf audio
• Rf low
• Rf sp feed
• Rf sp rtn
• Rf spk feed
• Right front door speaker
• Right rear speaker
• Rly feed
• Rr audio
• Rr low
• Rr sp rtn
• Rt audio
• Rt remote
• S240
• S282
• S350
• Shield gnd
• Sp203 (i/p harn, in front of ashtray)
• Splice pack sp203 (i/p harn, in front of ashtray)
• Tan
• Taoe or cd player-remote playback device (in center floor console)
• Tape sig
• Vehicle control module or powertrain control module (right front of engine compartment)
• Vss signal

Radio Wiring Diagrams, without Amplifier for GMC Sonoma 2000

List of elements for Radio Wiring Diagrams, without Amplifier for GMC Sonoma 2000:

• (i/p harn, between breakouts to bcm & radio)
• 1998-00
• 2.2l
• 4.3l
• A12
• Antenna
• Audio rtn
• Bare
• Battery
• Body control module (under dash, on heater case)
• Drain rtn
• E&c diag
• Engine controls system
• Fuse out
• G201 (right side of dash)
• Ground
• Hot at all times
• Hot in acc or run
• I/p fuse block
• Interior lights system
• Led dim
• Left front door speaker
• Left front speaker
• Left rear speaker
• Lf +
• Lf -
• Lr +
• Lr -
• Lt audio
• Lt remote
• Nca
• Powertrain control module (right front of engine compartment)
• Radio
• Rdo batt fuse 19 15a
• Rdo ign fuse 24 10a
• Remote rtn
• Rf +
• Rf -
• Right front door speaker
• Right front speaker
• Right rear speaker
• Rr +
• Rr -
• Rt audio
• Rt remote
• S240
• S282
• Sp203 (i/p harn, in front of ashtray)
• Splice pack sp203 (i/p harn, in front of ashtray)
• Tan
• Taoe or cd player-remote playback device (in center floor console)
• Tape sig
• Vehicle control module or powertrain control module (right front of engine compartment)
• Vss signal
• W/ 3rd door
• W/o 3rd door

SHIFT INTERLOCKS

Shift Interlock Wiring Diagram, with Column Shift for GMC Sonoma 2000

List of elements for Shift Interlock Wiring Diagram, with Column Shift for GMC Sonoma 2000:

• 2 door
• 4 door
• Automatic transmission shift lock solenoid (in steering column)
• B/u lamp fuse 25 25a
• B12
• Btsi fuse 10a
• C12
• G202 (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 fender)

STARTING/CHARGING

Charging Wiring Diagram for GMC Sonoma 2000

List of elements for Charging Wiring Diagram for GMC Sonoma 2000:

• (2.2l) (4.3l)
• (on right front of engine compartment) powertrain control module (pcm) or vehicle control module (vcm)
• 2.2l
• 4.3l
• A10
• Battery
• C1 c3
• C1 c4
• Charge indicator
• Class 2
• Class ii data
• Fuse holder (right of radiator)
• Fusible link (10 ga- rust)
• G109 (right radiator support)
• G118 (right front frame rail)
• G119 (right front of engine block)
• Generator control/ monitoring
• Generator l
• Hot at all times
• I/p fuse block (on left end of dash)
• Instrument cluster
• Nca
• Not used
• Rdo batt fuse 19 15a
• Red
• Solid state
• Splice pack sp201 (below i/p fuse block)
• Starter solenoid
• Voltage regulator

Starting Wiring Diagram for GMC Sonoma 2000

List of elements for Starting Wiring Diagram for GMC Sonoma 2000:

• (2000) a
• (2000) c
• (2001) c
• (2001) d
• (4.3l) g117 (right rear of engine)
• (a/t)
• (m/t only)
• (m/t)
• (m/t) (a/t)
• (not used)
• A/t
• A11
• Acc
• B stud
• Batt
• Battery
• Battery fuse 175a
• C1 c2
• C3 e2
• Clutch pedal position switch (on clutch pedal support bracket)
• Crank fuse 10a
• D11
• F11
• Fuse holder (right of radiator)
• Fusible link (10 ga- rust)
• G109 (right radiator support)
• G118 (right front frame rail)
• G119 (2.2l) (right front of engine block, under generator)
• G119 (right front of engine block)
• 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 & back-up lamp switch (on left side of transmission)
• Power distribution system
• Pull- in coil
• Red
• Run
• Start
• Starter motor
• Starter relay
• Underhood fuse block (on top of left front fender)
• W/4.3l engine

SUPPLEMENTAL RESTRAINTS

Supplemental Restraint Wiring Diagram for GMC Sonoma 2000

List of elements for Supplemental Restraint Wiring Diagram for GMC Sonoma 2000:

• (at right frame rail, forward of right front wheel) g101
• (no connection)
• (not used)
• (under side of dash) g201
• 12v
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• Airbag indicators
• Class 2
• Data link connector (dlc) (partial) (under left side of dash)
• Discrim sensor input
• Driver side high
• Driver side low
• Ground
• Hot in run & start
• I/p fuse block (on left end of dash)
• Ignition
• Illumination lamp
• Indicator lamp
• Inflatable restraint ip module
• Inflatable restraint ip module 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 cluster
• Interior lights system
• Left inflatable restraint front end discriminating sensor (on front frame crossmember)
• Nca
• Ohms
• Pass frontal high
• Pass frontal low
• Pass sir disable
• Pass sir enable
• Pnk
• Right inflatable restraint front end discriminating sensor (on front frame crossmember)
• Sensor ground
• Shorting bar
• Sir fuse 16 15a
• Solid state
• Splice pack sp201 (below i/p fuse block, taped to harness)
• Splice pack sp203 (in front of ashtray, strapped to body harness)

TRANSMISSION

2.2L

2.2L VIN 4, A/T Wiring Diagram, 4L60-E for GMC Sonoma 2000

List of elements for 2.2L VIN 4, A/T Wiring Diagram, 4L60-E for GMC Sonoma 2000:

• (not used)
• (twisted wire pair)
• (under left side of dash) data link connector (dlc) (partial)
• 1-2 shift sol
• 1-2 ss vlv ctrl
• 2-3 shift sol
• 2-3 ss vlv ctrl
• 3-2 shift sol
• 3-2 ss vlv ctrl
• A10
• A11
• Abs fuse 22 10a
• Anti-lock brakes system
• Automatic transmission (4l60-e)
• Automatic transmission fluid pressure (tfp) manual valve position switch
• Bare
• Battery
• Brake sw in
• Clstr fuse 11 10a
• Computer data lines system
• Cruise control system
• Ecm b fuse 20a
• Ecm i fuse 15a
• Ect sens gnd
• Ect sens sig
• Engine coolant temperature (ect) sensor (in coolant piping, on front of engine)
• G114 (left rear of engine)
• G117 (right rear of engine)
• Hot at all times
• Hot in off, run, or start
• Hot in run
• Hot in run or start
• I/p fuse block (on left end of dash)
• Ign
• Ign in
• Instrument cluster
• Mil (service engine soon ind)
• Mil ind ctrl
• P/n
• Park/neutral position & back-up lamp switch (on left side of transmission)
• Pc sol vlv ctrl hi
• Pc sol vlv ctrl lo
• Pcm ground
• Pnk
• Powertrain control module (pcm) (on right front of engine compt)
• Pressure control solenoid valve
• Rdo batt fuse 19 15a
• Red
• Rev
• S106
• S129
• S138 (body harn, near wiper motor breakout)
• S140
• S152
• S240
• Serial data ii
• Solid state
• Sound systems
• Sound systems, a/c system
• Splice pack sp201 (behind left side of dash)
• Stoplight switch (on brake pedal support bracket)
• Tan
• Tcc pwm sol
• Tcc pwm vlv ctrl
• Tcc sol
• Tcc sol vlv ctrl
• Tft sens gnd
• Tft sens sig
• Throttle position (tp) sensor (on throttle body assembly)
• Tp sens 5v ref
• Tp sens gnd
• Tp sens sig
• Tr sw-a in
• Tr sw-b in
• Tr sw-c in
• Tr sw-p in
• Trans range-a
• Trans range-b
• Trans range-c
• Transmission fluid temperature (tft) sensor
• Underhood fuse block (on top of left front fender)
• Vehicle speed sensor (vss) (on right rear of transmission)
• Vss hi (signal)
• Vss lo (ground)

2.2L VIN 5, A/T Wiring Diagram, 4L60-E for GMC Sonoma 2000

List of elements for 2.2L VIN 5, A/T Wiring Diagram, 4L60-E for GMC Sonoma 2000:

• (not used)
• (twisted wire pair)
• (under left side of dash) data link connector (dlc) (partial)
• 1-2 shift sol
• 1-2 ss vlv ctrl
• 2-3 shift sol
• 2-3 ss vlv ctrl
• 3-2 shift sol
• 3-2 ss vlv ctrl
• A10
• A11
• Abs fuse 22 10a
• Anti-lock brakes system
• Automatic transmission (4l60-e)
• Automatic transmission fluid pressure (tfp) manual valve position switch
• Bare
• Battery
• Brake sw in
• Clstr fuse 11 10a
• Computer data lines system
• Cruise control system
• Ecm b fuse 20a
• Ecm i fuse 15a
• Ect sens gnd
• Ect sens sig
• Engine coolant temperature (ect) sensor (in coolant piping, on front of engine)
• G114 (left rear of engine)
• G117 (right rear of engine)
• Hot at all times
• Hot in off, run, or start
• Hot in run
• Hot in run or start
• I/p fuse block (on left end of dash)
• Ign
• Ign in
• Instrument cluster
• Mil (service engine soon ind)
• Mil ind ctrl
• P/n
• Park/neutral position & back-up lamp switch (on left side of transmission)
• Pc sol vlv ctrl hi
• Pc sol vlv ctrl lo
• Pcm ground
• Pnk
• Powertrain control module (pcm) (on right front of engine compt)
• Pressure control solenoid valve
• Rdo batt fuse 19 15a
• Red
• Rev
• S106
• S129
• S138 (body harn, near wiper motor breakout)
• S140
• S152
• S240
• Serial data ii
• Solid state
• Sound systems
• Sound systems, a/c system
• Splice pack sp201 (behind left side of dash)
• Stoplight switch (on brake pedal support bracket)
• Tan
• Tcc pwm sol
• Tcc pwm vlv ctrl
• Tcc sol
• Tcc sol vlv ctrl
• Tft sens gnd
• Tft sens sig
• Throttle position (tp) sensor (on throttle body assembly)
• Tp sens 5v ref
• Tp sens gnd
• Tp sens sig
• Tr sw-a in
• Tr sw-b in
• Tr sw-c in
• Tr sw-p in
• Trans range-a
• Trans range-b
• Trans range-c
• Transmission fluid temperature (tft) sensor
• Underhood fuse block (on top of left front fender)
• Vehicle speed sensor (vss) (on right rear of transmission)
• Vss hi (signal)
• Vss lo (ground)

4WD Wiring Diagram, with 2-Speed Selectable Transfer Case for GMC Sonoma 2000

List of elements for 4WD Wiring Diagram, with 2-Speed Selectable Transfer Case for GMC Sonoma 2000:

• (a/t only)
• (a/t) pnp switch in
• (right front of engine compt) vehicle control module (vcm)
• 12v battery
• 12v ignition (3)
• 2 door
• 2 hi request
• 2 hi status lamp
• 2wd hi indicator
• 2wd hi switch
• 4 door
• 4 hi request
• 4 hi status lamp
• 4 lo request
• 4 lo status lamp
• 4wd fuse 15 10a
• 4wd hi indicator
• 4wd hi switch
• 4wd indicator switch (on front axle, right of diff)
• 4wd lo in
• 4wd lo indicator
• 4wd lo selected
• 4wd lo switch
• Anti-lock brakes system
• Atc fuse 20a
• Body relay block (behind left side of dash)
• Btsi fuse 10a
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Crank fuse 10a
• Cruise control system
• Ctsy lp fuse 8 10a
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector
• Data link connector (dlc) (partial) (under left side of dash)
• Electronic shift transfer case
• Encoder channel a
• Encoder channel b
• Encoder channel c
• Encoder channel p
• Encoder channel-a
• Encoder channel-b
• Encoder channel-c
• Encoder channel-p
• Encoder ground
• Encoder signal ground
• G201 (right side of dash)
• Hot at all times
• Hot in park or neutral
• Hot in run
• Hot in start
• I/p fuse block (on left end of dash)
• Ign 3
• Ignition
• Illumination lamp
• Interior lights system
• Interior lights system, sound systems, srs system
• M shift motor
• Motor control a
• Motor control b
• Motor ground
• Power ground
• Red
• S121 (body harn, 6.5 cm from blower motor breakout)
• S208
• Solid state
• Splice pack sp204 (center of dash)
• Splice pack sp200 (center of dash)
• Splice pack sp203 (near ashtray)
• Splice pack sp204 (center of dash)
• Starting/ charging system
• Stoplight switch
• Transfer case shift control module (behind right front kick panel)
• Transfer case shift control switch
• Underhood fuse block (on top of left front fender)
• Vehicle spd out
• Vehicle speed in
• Wheel lck in

4.3L

4.3L VIN W, A/T Wiring Diagram, 4L60-E for GMC Sonoma 2000

List of elements for 4.3L VIN W, A/T Wiring Diagram, 4L60-E for GMC Sonoma 2000:

• (twisted wire pair)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 2wd
• 3-2 shift sol
• 3-2 sol ctrl
• 4wd
• 4wd fuse 15 10a
• 5v ref voltage
• 5v return
• A red
• A/t fluid pressure (tfp) manual valve position switch
• A10
• A11
• Abs fuse 22 10a
• Anti-lock brakes system
• Automatic transmission (4l60-e)
• B red
• B10
• Bare
• Brake sw in
• C116 (m-m) (top rear of a/t)
• Clstr fuse 11 10a
• Cruise control system
• Data link connector (dlc) (partial) (under left side of dash)
• Ecm b fuse 20a
• Ecm i fuse 15a
• Ect signal
• Engine controls system
• Engine coolant temperature (ect) sensor (in left cyl head, between two rear spark plugs)
• Fused ign (run)
• G104 (left rear of engine compt)
• G114 (left rear of engine)
• G117 (right rear of engine)
• Hot at all times
• Hot in off, run, or start
• Hot in run
• Hot in run or start
• I/p fuse block (on left end of dash)
• Ignition feed
• Instrument cluster
• Mil (service engine soon ind)
• Mil ind ctrl
• Pnk
• Power b(+)
• Press ctrl so hi
• Press ctrl sol lo
• Pressure control solenoid valve
• Range signal-a
• Range signal-b
• Range signal-c
• Rdo batt fuse 19 15a
• Red
• Rev
• S100 (engine harn, 4 cm from generator breakout)
• S106
• S113
• S134
• S138 (body harn, near wiper breakout)
• S140
• S240
• Sensor ground
• Serial data sig
• Shift interlock system
• Solid state
• Sound systems
• Sound systems, a/c system
• Splice pack sp200 (center of dash)
• Splice pack sp201 (left side of dash)
• Stoplight switch (on brake pedal support bracket)
• Tan
• Tcc pwm sol
• Tcc pwm sol ctrl
• Tcc sol
• Tcc sol ctrl
• Tft signal
• Throttle position (tp) sensor (on throttle body assembly)
• Tp signal
• Transfer case shift control switch
• Transmission fluid temperature (tft) sensor
• Underhood fuse block (on top of left front fender)
• Vcm gnd
• Vehicle control module (vcm) (on right front of engine compt)
• Vehicle interface unit (envoy only)
• Vehicle speed sensor (4wd) (on right rear of transfer case)
• Vehicle speed sensor) (2wd) (on right rear of transmission)
• Vss hi (signal)
• Vss lo (ground)

4WD Wiring Diagram, with 2-Speed Selectable Transfer Case for GMC Sonoma 2000

List of elements for 4WD Wiring Diagram, with 2-Speed Selectable Transfer Case for GMC Sonoma 2000:

• (a/t only)
• (a/t) pnp switch in
• (right front of engine compt) vehicle control module (vcm)
• 12v battery
• 12v ignition (3)
• 2 door
• 2 hi request
• 2 hi status lamp
• 2wd hi indicator
• 2wd hi switch
• 4 door
• 4 hi request
• 4 hi status lamp
• 4 lo request
• 4 lo status lamp
• 4wd fuse 15 10a
• 4wd hi indicator
• 4wd hi switch
• 4wd indicator switch (on front axle, right of diff)
• 4wd lo in
• 4wd lo indicator
• 4wd lo selected
• 4wd lo switch
• Anti-lock brakes system
• Atc fuse 20a
• Body relay block (behind left side of dash)
• Btsi fuse 10a
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Crank fuse 10a
• Cruise control system
• Ctsy lp fuse 8 10a
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector
• Data link connector (dlc) (partial) (under left side of dash)
• Electronic shift transfer case
• Encoder channel a
• Encoder channel b
• Encoder channel c
• Encoder channel p
• Encoder channel-a
• Encoder channel-b
• Encoder channel-c
• Encoder channel-p
• Encoder ground
• Encoder signal ground
• G201 (right side of dash)
• Hot at all times
• Hot in park or neutral
• Hot in run
• Hot in start
• I/p fuse block (on left end of dash)
• Ign 3
• Ignition
• Illumination lamp
• Interior lights system
• Interior lights system, sound systems, srs system
• M shift motor
• Motor control a
• Motor control b
• Motor ground
• Power ground
• Red
• S121 (body harn, 6.5 cm from blower motor breakout)
• S208
• Solid state
• Splice pack sp204 (center of dash)
• Splice pack sp200 (center of dash)
• Splice pack sp203 (near ashtray)
• Splice pack sp204 (center of dash)
• Starting/ charging system
• Stoplight switch
• Transfer case shift control module (behind right front kick panel)
• Transfer case shift control switch
• Underhood fuse block (on top of left front fender)
• Vehicle spd out
• Vehicle speed in
• Wheel lck in

WARNING SYSTEMS

Warning System Wiring Diagrams for GMC Sonoma 2000

List of elements for Warning System Wiring Diagrams for GMC Sonoma 2000:

• (2000 envoy) (2000 4 dr & 2001) j
• (pickup)
• (right liftgate harn, 5cm before breakout to rear washer pump motor) s900
• (splice pack 201 (behind left side of dash, below i/p fuse block)
• A12
• Auto
• B10
• B11
• Battery
• Body control module (behind dash, on heater case)
• Cruise fuse 3 10a
• Door jam switch
• Door locks
• Exterior lights
• Front lt left fuse 10a
• Front rt turn fuse 10a
• G108 (left radiator support)
• G109 (right radiator support)
• G201 (right side of dash)
• G202 (left side of dash)
• G404 (left rear body corner)
• Gauges fuse 4 10a
• Ground
• Hdlp
• Headlamp req
• Headlamp switch
• Hot at all times
• Hot in park or head
• Hot in run
• Hot in run & start
• I/p fuse block
• Ignition 3
• Ignition key alarm switch
• Ignition on input
• Instrument cluster
• Instrument cluster (center of dash)
• Interior lights
• Key in ign
• Left door jamb switch
• Left front park & turn signal lamp
• Left turn sig
• Liftgate ajar jamb switch (integral with liftgate latch)
• Park lps fuse 5 10a
• Park lps in
• Pickup
• Pklp
• Pnk
• Rear window wiper cutout & liftglass ajar jamb switch (near latch assembly)
• Right front park & turn signal lamp
• Right turn sig
• S283
• S313
• S427
• Seat belt input
• Seat belt switch (under left front seat)
• Seats system
• Serial data
• Sp100 (left radiator support)
• Sp101 (right radiator support)
• Sp202 (left center of dash)
• Sp203 (near ashtray)
• Sp204
• Splice pack
• Tan
• Tbc fuse 10a
• Underhood fuse block
• Utility

WIPER/WASHER

Wiper/Washer Wiring Diagram for GMC Sonoma 2000

List of elements for Wiper/Washer Wiring Diagram for GMC Sonoma 2000:

• (4.3l) g117
• (body harness, between breakouts to blower motor & blower motor relay) s118 (4.3l)
• (left rear of engine compartment) g104
• (right front of engine block) g119 (2.2l)
• (right rear of engine)
• Frt wpr fuse 17 25a
• High
• Hot in accy or run
• I/p fuse block (on left end of dash)
• Mist
• Mux1
• Mux2
• Off
• Pulse
• Red
• Underhood fuse block (on top of left front fender)
• Washer switch
• Windshield washer pump (in washer fluid reservoir)
• Windshield wiper motor (on center of firewall)
• Wiper switch
• Wiper/ washer switch (part of multi- function switch)