AIR CONDITIONING
4.3L
4.3L VIN W, Compressor Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for 4.3L VIN W, Compressor Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (4.3l: generator bracket, 5.0l, 5.7l: rear of right cylinder head, 8.1l: rear of left cylinder head)
- (in engine harness)
- A/c
- A/c compressor clutch
- A/c compressor clutch relay (in underhood fuse block)
- A/c compressor fuse 10a
- A/c high pressure switch (rear of a/c compressor)
- A/c low pressure switch (in refrigerant line)
- Bi-lev
- Blend
- Clutch rly ctrl
- Defrost
- Diode (in underhood fuse block)
- G103
- G201 (behind left kick panel)
- Heat
- Hot at all times
- Hot in run
- Hot in run or start
- Htr-a/c fuse 12 20a
- Hvac control assembly
- I/p fuse block (lower left kick panel)
- Ign e fuse 10a
- Low press sig
- Max
- Off
- Pnk
- Powertrain control module (pcm) (on left front inner fender)
- Request sig
- S202 (i/p harn, 7 cm into i/p relay center breakout)
- S215 (dash harn, 4 cm from radio breakout)
- Underhood fuse block (left side of engine compt)
- Vent
4.3L VIN W, Heater Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for 4.3L VIN W, Heater Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (auxiliary) (if equipped) (left rear of cabin, behind rear wheelwell)
- (if equipped) (left rear of cabin, behind rear wheelwell)
- (left body harn, near chmsl) s400
- (rear a/c harn, 13 cm from blower motor relay breakout)
- (rear a/c harn, 7 cm from blower motor breakout)
- (rear a/c harn, 7 cm from rear blower motor resistor breakout)
- Air temperature actuator (under dash, right side of hvac plenum)
- Assembly (if equipped) (left rear of cabin, behind rear wheelwell)
- Auxiliary blower motor
- Auxiliary blower motor resistor
- Auxiliary blower motor switch (if equipped)
- Blend
- Blower fuse 60a
- Blower motor (right rear of engine compt)
- Blower motor resistor assembly (right rear of engine compt, in blower motor housing)
- C2 f
- C202
- Convenience center
- Def
- G103 (4.3l, 6.5l: generator bracket, 5.0l, 5.7l: rear of right cylinder head, 8.1l: rear of left cylinder head)
- G201 (behind left kick panel)
- G400 (left rear of vehicle)
- Heat
- High speed blower motor relay
- Hot at all times
- Hot in run
- Hot in run or start
- Htr-a/c fuse 12 20a
- Hvac control assembly
- I/p fuse block (lower left kick panel)
- Interior lights system
- Low speed blower motor relay
- Med
- Medium speed blower motor relay
- Off
- Red
- Rr blower fuse 30a
- Rr hvac fuse 24 10a
- S152 (gas) s101 (diesel) (in engine harness)
- S202 (dash harn, in i/p relay center)
- S215 (dash harn, 4 cm from hvac switch)
- S405
- S412
- S413
- Tan
- Underhood fuse block (left side of engine compt)
- Vent
4.3L VIN W, Manual A/C Wiring Diagram, Cargo Van for Chevrolet Chevy Express G2002 2500
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Automotive Electricians Portal FZCO קבל גישה לכל מכוניות דיאגרמות החיווט![All Wiring Diagrams for Chevrolet Chevy Express G2002 2500 Download PDF file](/images/pdf-80.jpg)
List of elements for 4.3L VIN W, Manual A/C Wiring Diagram, Cargo Van for Chevrolet Chevy Express G2002 2500:
- (4.3l: gen bracket, 5.0l, 5.7l: rear of rt cyl head, 8.1l: rear of lft cyl head) g103
- (if equipped) (left rear of cabin, behind rear wheelwell)
- (in refrigerant line) a/c low pressure switch
- (left body harn, 22 cm from front dome lamp breakout)
- (left body harn, near chmsl breakout) s400
- (left rear of cabin, behind rear wheelwell)
- (rear a/c harn, 7 cm from blower mtr resistor breakout) s405
- (under dash, right
- A/c
- A/c compressor clutch
- A/c compressor clutch relay (in underhood fuse block)
- A/c fuse 10a
- A/c high pressure switch (rear of a/c compressor)
- Air temperature actuator (auxiliary) (left rear interior)
- Auxiliary blower motor
- Auxiliary blower motor resistor
- Bi-lev
- Blend
- Blower fuse 60a
- Blower motor (right rear of engine compt)
- Blower motor resistor assembly (right rear of engine compt, in blower motor housing)
- C1 c
- C202
- C3 d3
- Clutch rly ctrl c2
- Convenience center
- D3 c3
- Def
- Diode (in underhood fuse block)
- G103 (4.3l generator bracket, 5.0l, 5.7l: rear of rt cylinder head, 8.1l: rear of left cylinder head)
- G201 (behind left kick panel)
- G400 (left rear of vehicle)
- Heat
- High speed blower motor relay (auxiliary) (if equipped)
- Hot at all times
- Hot in run
- Hot in run or start
- Htr-a/c fuse 12 20a
- Hvac control assembly
- Hvac control assembly (front auxiliary) (if equipped)
- I/p fuse block (lower left kick panel)
- Ign e fuse 10a
- Interior lights system
- Low press sig
- Low speed blower motor relay (auxiliary) (if equipped)
- Max
- Med
- Medium speed blower motor relay (auxiliary) (if equipped)
- Mode actuator (auxiliary) (left rear interior)
- Off
- Pnk
- Powertrain control module (pcm) (on left front inner fender)
- Red
- Request sig
- Rr blower fuse 30a
- Rr hvac fuse 24 10a
- S103 (in engine harn)
- S103 (in engine harness)
- S152 (in engine harness)
- S202
- S202 (dash harn, in i/p relay center)
- S404
- S411 (rear a/c harn, 5 cm from o/s air valve actuator breakout)
- S412 (rear a/c harn, 13 cm from blower motor relay breakout)
- S413 (rear a/c harn, 7 cm from rear blower motor resistor breakout)
- Side of hvac plenum) air temperature actuator
- Tan
- Temp
- Underhood fuse block (left side of engine compt)
- Vent
- Vent mode
4.3L VIN W, Manual A/C Wiring Diagram, Passenger Van for Chevrolet Chevy Express G2002 2500
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Automotive Electricians Portal FZCO קבל גישה לכל מכוניות דיאגרמות החיווט![All Wiring Diagrams for Chevrolet Chevy Express G2002 2500 Download PDF file](/images/pdf-80.jpg)
List of elements for 4.3L VIN W, Manual A/C Wiring Diagram, Passenger Van for Chevrolet Chevy Express G2002 2500:
- (4.3l: gen bracket, 5.0l, 5.7l: rear of rt cyl head, 8.1l: rear of lft cyl head) g103
- (aux hvac harn, 13 cm from front hvac module breakout)
- (aux hvac harn, 13 cm from rear hvac module breakout)
- (aux hvac harn, 37 cm from front hvac module breakout)
- (aux hvac harn, 56 cm from front hvac module breakout)
- (dash harn, 4 cm from hvac switch) s215
- (in engine harness)
- (in refrigerant line) a/c low pressure switch
- (left body harn, 22 cm from front dome lamp breakout)
- (left rear of cabin, behind rear wheelwell)
- (left rear of vehicle) g402
- (rear a/c harn, 13 cm from blower motor relay breakout)
- (rear a/c harn, 5 cm from o/s air valve actuator breakout)
- (rear a/c harn, 7 cm from rear blower resistor breakout)
- (rear aux hvac harn, 29 cm from rear aux hvac module breakout)
- (under dash right
- A/c
- A/c compressor clutch
- A/c compressor enable relay (in underhood fuse block)
- A/c fuse 10a
- A/c high pressure switch (rear of a/c compressor)
- Auxiliary blower motor (behind left rear wheelhouse)
- Auxiliary blower motor resistor assembly (left rear of cabin, behind rear wheelwell)
- Bi-lev
- Blend
- Blower fuse 60a
- Blower motor (right rear of engine compt)
- Blower motor resistor assembly (right rear of engine compt, in blower motor housing)
- C1 c
- C202
- Clutch rly ctrl
- Convenience center
- Def
- Diode (in underhood fuse block)
- G103 (4.3l generator bracket, 5.0l, 5.7l: rear of rt cylinder head, 8.1l: rear of left cylinder head)
- G201 (behind left kick panel)
- Heat
- High speed blower motor relay (auxiliary)
- Hot at all times
- Hot in run
- Hot in run or start
- Htr-a/c fuse 12 20a
- Hvac control assembly
- Hvac control assembly (front auxiliary)
- Hvac control assembly (rear auxiliary)
- Hvac control processor auxiliary) (front interior roof panel)
- I/p fuse block (lower left kick panel)
- Ign e fuse 10a
- Interior lights system
- Low press sig
- Low speed blower motor relay (auxiliary)
- Max
- Med
- Medium speed blower motor relay (auxiliary)
- Off
- Pnk
- Powertrain control module (pcm) (on left front inner fender)
- Rear auxiliary mode actuator (left rear interior)
- Rear auxiliary temperature actuator (left rear interior)
- Red
- Request sig
- Rr blower fuse 30a
- Rr ctrl
- Rr hvac fuse 24 10a
- S103
- S103 (in engine harn)
- S152 (in engine harness)
- S202 (dash harn, in i/p relay center)
- S307
- S318
- S319
- S320
- S321
- S404
- S405 (rear a/c harn, 7 cm from blower resistor breakout)
- S412
- S413
- Side of hvac plenum) air temperature actuator
- Tan
- Temp
- Under- hood fuse block
- Underhood fuse block (left side of engine compt)
- Vent
- Vent mode
5.0L
5.0L VIN M, Compressor Wiring Diagram for Chevrolet Chevy Express G2002 2500
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Automotive Electricians Portal FZCO קבל גישה לכל מכוניות דיאגרמות החיווט![All Wiring Diagrams for Chevrolet Chevy Express G2002 2500 Download PDF file](/images/pdf-80.jpg)
List of elements for 5.0L VIN M, Compressor Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (4.3l: generator bracket, 5.0l, 5.7l: rear of right cylinder head, 8.1l: rear of left cylinder head)
- (in engine harness)
- A/c
- A/c compressor clutch
- A/c compressor clutch relay (in underhood fuse block)
- A/c compressor fuse 10a
- A/c high pressure switch (rear of a/c compressor)
- A/c low pressure switch (in refrigerant line)
- Bi-lev
- Blend
- Clutch rly ctrl
- Defrost
- Diode (in underhood fuse block)
- G103
- G201 (behind left kick panel)
- Heat
- Hot at all times
- Hot in run
- Hot in run or start
- Htr-a/c fuse 12 20a
- Hvac control assembly
- I/p fuse block (lower left kick panel)
- Ign e fuse 10a
- Low press sig
- Max
- Off
- Pnk
- Powertrain control module (pcm) (on left front inner fender)
- Request sig
- S202 (i/p harn, 7 cm into i/p relay center breakout)
- S215 (dash harn, 4 cm from radio breakout)
- Underhood fuse block (left side of engine compt)
- Vent
5.0L VIN M, Heater Wiring Diagram for Chevrolet Chevy Express G2002 2500
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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO קבל גישה לכל מכוניות דיאגרמות החיווט![All Wiring Diagrams for Chevrolet Chevy Express G2002 2500 Download PDF file](/images/pdf-80.jpg)
List of elements for 5.0L VIN M, Heater Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (auxiliary) (if equipped) (left rear of cabin, behind rear wheelwell)
- (if equipped) (left rear of cabin, behind rear wheelwell)
- (left body harn, near chmsl) s400
- (rear a/c harn, 13 cm from blower motor relay breakout)
- (rear a/c harn, 7 cm from blower motor breakout)
- (rear a/c harn, 7 cm from rear blower motor resistor breakout)
- Air temperature actuator (under dash, right side of hvac plenum)
- Assembly (if equipped) (left rear of cabin, behind rear wheelwell)
- Auxiliary blower motor
- Auxiliary blower motor resistor
- Auxiliary blower motor switch (if equipped)
- Blend
- Blower fuse 60a
- Blower motor (right rear of engine compt)
- Blower motor resistor assembly (right rear of engine compt, in blower motor housing)
- C2 f
- C202
- Convenience center
- Def
- G103 (4.3l, 6.5l: generator bracket, 5.0l, 5.7l: rear of right cylinder head, 8.1l: rear of left cylinder head)
- G201 (behind left kick panel)
- G400 (left rear of vehicle)
- Heat
- High speed blower motor relay
- Hot at all times
- Hot in run
- Hot in run or start
- Htr-a/c fuse 12 20a
- Hvac control assembly
- I/p fuse block (lower left kick panel)
- Interior lights system
- Low speed blower motor relay
- Med
- Medium speed blower motor relay
- Off
- Red
- Rr blower fuse 30a
- Rr hvac fuse 24 10a
- S152 (gas) s101 (diesel) (in engine harness)
- S202 (dash harn, in i/p relay center)
- S215 (dash harn, 4 cm from hvac switch)
- S405
- S412
- S413
- Tan
- Underhood fuse block (left side of engine compt)
- Vent
5.0L VIN M, Manual A/C Wiring Diagram, Cargo Van for Chevrolet Chevy Express G2002 2500
https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html
Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO קבל גישה לכל מכוניות דיאגרמות החיווט![All Wiring Diagrams for Chevrolet Chevy Express G2002 2500 Download PDF file](/images/pdf-80.jpg)
List of elements for 5.0L VIN M, Manual A/C Wiring Diagram, Cargo Van for Chevrolet Chevy Express G2002 2500:
- (4.3l: gen bracket, 5.0l, 5.7l: rear of rt cyl head, 8.1l: rear of lft cyl head) g103
- (if equipped) (left rear of cabin, behind rear wheelwell)
- (in refrigerant line) a/c low pressure switch
- (left body harn, 22 cm from front dome lamp breakout)
- (left body harn, near chmsl breakout) s400
- (left rear of cabin, behind rear wheelwell)
- (rear a/c harn, 7 cm from blower mtr resistor breakout) s405
- (under dash, right
- A/c
- A/c compressor clutch
- A/c compressor clutch relay (in underhood fuse block)
- A/c fuse 10a
- A/c high pressure switch (rear of a/c compressor)
- Air temperature actuator (auxiliary) (left rear interior)
- Auxiliary blower motor
- Auxiliary blower motor resistor
- Bi-lev
- Blend
- Blower fuse 60a
- Blower motor (right rear of engine compt)
- Blower motor resistor assembly (right rear of engine compt, in blower motor housing)
- C1 c
- C202
- C3 d3
- Clutch rly ctrl c2
- Convenience center
- D3 c3
- Def
- Diode (in underhood fuse block)
- G103 (4.3l generator bracket, 5.0l, 5.7l: rear of rt cylinder head, 8.1l: rear of left cylinder head)
- G201 (behind left kick panel)
- G400 (left rear of vehicle)
- Heat
- High speed blower motor relay (auxiliary) (if equipped)
- Hot at all times
- Hot in run
- Hot in run or start
- Htr-a/c fuse 12 20a
- Hvac control assembly
- Hvac control assembly (front auxiliary) (if equipped)
- I/p fuse block (lower left kick panel)
- Ign e fuse 10a
- Interior lights system
- Low press sig
- Low speed blower motor relay (auxiliary) (if equipped)
- Max
- Med
- Medium speed blower motor relay (auxiliary) (if equipped)
- Mode actuator (auxiliary) (left rear interior)
- Off
- Pnk
- Powertrain control module (pcm) (on left front inner fender)
- Red
- Request sig
- Rr blower fuse 30a
- Rr hvac fuse 24 10a
- S103 (in engine harn)
- S103 (in engine harness)
- S152 (in engine harness)
- S202
- S202 (dash harn, in i/p relay center)
- S404
- S411 (rear a/c harn, 5 cm from o/s air valve actuator breakout)
- S412 (rear a/c harn, 13 cm from blower motor relay breakout)
- S413 (rear a/c harn, 7 cm from rear blower motor resistor breakout)
- Side of hvac plenum) air temperature actuator
- Tan
- Temp
- Underhood fuse block (left side of engine compt)
- Vent
- Vent mode
5.0L VIN M, Manual A/C Wiring Diagram, Passenger Van for Chevrolet Chevy Express G2002 2500
https://portal-diagnostov.com/license.html
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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO קבל גישה לכל מכוניות דיאגרמות החיווט![All Wiring Diagrams for Chevrolet Chevy Express G2002 2500 Download PDF file](/images/pdf-80.jpg)
List of elements for 5.0L VIN M, Manual A/C Wiring Diagram, Passenger Van for Chevrolet Chevy Express G2002 2500:
- (4.3l: gen bracket, 5.0l, 5.7l: rear of rt cyl head, 8.1l: rear of lft cyl head) g103
- (aux hvac harn, 13 cm from front hvac module breakout)
- (aux hvac harn, 13 cm from rear hvac module breakout)
- (aux hvac harn, 37 cm from front hvac module breakout)
- (aux hvac harn, 56 cm from front hvac module breakout)
- (dash harn, 4 cm from hvac switch) s215
- (in engine harness)
- (in refrigerant line) a/c low pressure switch
- (left body harn, 22 cm from front dome lamp breakout)
- (left rear of cabin, behind rear wheelwell)
- (left rear of vehicle) g402
- (rear a/c harn, 13 cm from blower motor relay breakout)
- (rear a/c harn, 5 cm from o/s air valve actuator breakout)
- (rear a/c harn, 7 cm from rear blower resistor breakout)
- (rear aux hvac harn, 29 cm from rear aux hvac module breakout)
- (under dash right
- A/c
- A/c compressor clutch
- A/c compressor enable relay (in underhood fuse block)
- A/c fuse 10a
- A/c high pressure switch (rear of a/c compressor)
- Auxiliary blower motor (behind left rear wheelhouse)
- Auxiliary blower motor resistor assembly (left rear of cabin, behind rear wheelwell)
- Bi-lev
- Blend
- Blower fuse 60a
- Blower motor (right rear of engine compt)
- Blower motor resistor assembly (right rear of engine compt, in blower motor housing)
- C1 c
- C202
- Clutch rly ctrl
- Convenience center
- Def
- Diode (in underhood fuse block)
- G103 (4.3l generator bracket, 5.0l, 5.7l: rear of rt cylinder head, 8.1l: rear of left cylinder head)
- G201 (behind left kick panel)
- Heat
- High speed blower motor relay (auxiliary)
- Hot at all times
- Hot in run
- Hot in run or start
- Htr-a/c fuse 12 20a
- Hvac control assembly
- Hvac control assembly (front auxiliary)
- Hvac control assembly (rear auxiliary)
- Hvac control processor auxiliary) (front interior roof panel)
- I/p fuse block (lower left kick panel)
- Ign e fuse 10a
- Interior lights system
- Low press sig
- Low speed blower motor relay (auxiliary)
- Max
- Med
- Medium speed blower motor relay (auxiliary)
- Off
- Pnk
- Powertrain control module (pcm) (on left front inner fender)
- Rear auxiliary mode actuator (left rear interior)
- Rear auxiliary temperature actuator (left rear interior)
- Red
- Request sig
- Rr blower fuse 30a
- Rr ctrl
- Rr hvac fuse 24 10a
- S103
- S103 (in engine harn)
- S152 (in engine harness)
- S202 (dash harn, in i/p relay center)
- S307
- S318
- S319
- S320
- S321
- S404
- S405 (rear a/c harn, 7 cm from blower resistor breakout)
- S412
- S413
- Side of hvac plenum) air temperature actuator
- Tan
- Temp
- Under- hood fuse block
- Underhood fuse block (left side of engine compt)
- Vent
- Vent mode
5.7L
5.7L VIN R, Compressor Wiring Diagram for Chevrolet Chevy Express G2002 2500
https://portal-diagnostov.com/license.html
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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO קבל גישה לכל מכוניות דיאגרמות החיווט![All Wiring Diagrams for Chevrolet Chevy Express G2002 2500 Download PDF file](/images/pdf-80.jpg)
List of elements for 5.7L VIN R, Compressor Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (4.3l: generator bracket, 5.0l, 5.7l: rear of right cylinder head, 8.1l: rear of left cylinder head)
- (in engine harness)
- A/c
- A/c compressor clutch
- A/c compressor clutch relay (in underhood fuse block)
- A/c compressor fuse 10a
- A/c high pressure switch (rear of a/c compressor)
- A/c low pressure switch (in refrigerant line)
- Bi-lev
- Blend
- Clutch rly ctrl
- Defrost
- Diode (in underhood fuse block)
- G103
- G201 (behind left kick panel)
- Heat
- Hot at all times
- Hot in run
- Hot in run or start
- Htr-a/c fuse 12 20a
- Hvac control assembly
- I/p fuse block (lower left kick panel)
- Ign e fuse 10a
- Low press sig
- Max
- Off
- Pnk
- Powertrain control module (pcm) (on left front inner fender)
- Request sig
- S202 (i/p harn, 7 cm into i/p relay center breakout)
- S215 (dash harn, 4 cm from radio breakout)
- Underhood fuse block (left side of engine compt)
- Vent
5.7L VIN R, Heater Wiring Diagram for Chevrolet Chevy Express G2002 2500
https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html
Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO קבל גישה לכל מכוניות דיאגרמות החיווט![All Wiring Diagrams for Chevrolet Chevy Express G2002 2500 Download PDF file](/images/pdf-80.jpg)
List of elements for 5.7L VIN R, Heater Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (auxiliary) (if equipped) (left rear of cabin, behind rear wheelwell)
- (if equipped) (left rear of cabin, behind rear wheelwell)
- (left body harn, near chmsl) s400
- (rear a/c harn, 13 cm from blower motor relay breakout)
- (rear a/c harn, 7 cm from blower motor breakout)
- (rear a/c harn, 7 cm from rear blower motor resistor breakout)
- Air temperature actuator (under dash, right side of hvac plenum)
- Assembly (if equipped) (left rear of cabin, behind rear wheelwell)
- Auxiliary blower motor
- Auxiliary blower motor resistor
- Auxiliary blower motor switch (if equipped)
- Blend
- Blower fuse 60a
- Blower motor (right rear of engine compt)
- Blower motor resistor assembly (right rear of engine compt, in blower motor housing)
- C2 f
- C202
- Convenience center
- Def
- G103 (4.3l, 6.5l: generator bracket, 5.0l, 5.7l: rear of right cylinder head, 8.1l: rear of left cylinder head)
- G201 (behind left kick panel)
- G400 (left rear of vehicle)
- Heat
- High speed blower motor relay
- Hot at all times
- Hot in run
- Hot in run or start
- Htr-a/c fuse 12 20a
- Hvac control assembly
- I/p fuse block (lower left kick panel)
- Interior lights system
- Low speed blower motor relay
- Med
- Medium speed blower motor relay
- Off
- Red
- Rr blower fuse 30a
- Rr hvac fuse 24 10a
- S152 (gas) s101 (diesel) (in engine harness)
- S202 (dash harn, in i/p relay center)
- S215 (dash harn, 4 cm from hvac switch)
- S405
- S412
- S413
- Tan
- Underhood fuse block (left side of engine compt)
- Vent
5.7L VIN R, Manual A/C Wiring Diagram, Cargo Van for Chevrolet Chevy Express G2002 2500
https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html
Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO קבל גישה לכל מכוניות דיאגרמות החיווט![All Wiring Diagrams for Chevrolet Chevy Express G2002 2500 Download PDF file](/images/pdf-80.jpg)
List of elements for 5.7L VIN R, Manual A/C Wiring Diagram, Cargo Van for Chevrolet Chevy Express G2002 2500:
- (4.3l: gen bracket, 5.0l, 5.7l: rear of rt cyl head, 8.1l: rear of lft cyl head) g103
- (if equipped) (left rear of cabin, behind rear wheelwell)
- (in refrigerant line) a/c low pressure switch
- (left body harn, 22 cm from front dome lamp breakout)
- (left body harn, near chmsl breakout) s400
- (left rear of cabin, behind rear wheelwell)
- (rear a/c harn, 7 cm from blower mtr resistor breakout) s405
- (under dash, right
- A/c
- A/c compressor clutch
- A/c compressor clutch relay (in underhood fuse block)
- A/c fuse 10a
- A/c high pressure switch (rear of a/c compressor)
- Air temperature actuator (auxiliary) (left rear interior)
- Auxiliary blower motor
- Auxiliary blower motor resistor
- Bi-lev
- Blend
- Blower fuse 60a
- Blower motor (right rear of engine compt)
- Blower motor resistor assembly (right rear of engine compt, in blower motor housing)
- C1 c
- C202
- C3 d3
- Clutch rly ctrl c2
- Convenience center
- D3 c3
- Def
- Diode (in underhood fuse block)
- G103 (4.3l generator bracket, 5.0l, 5.7l: rear of rt cylinder head, 8.1l: rear of left cylinder head)
- G201 (behind left kick panel)
- G400 (left rear of vehicle)
- Heat
- High speed blower motor relay (auxiliary) (if equipped)
- Hot at all times
- Hot in run
- Hot in run or start
- Htr-a/c fuse 12 20a
- Hvac control assembly
- Hvac control assembly (front auxiliary) (if equipped)
- I/p fuse block (lower left kick panel)
- Ign e fuse 10a
- Interior lights system
- Low press sig
- Low speed blower motor relay (auxiliary) (if equipped)
- Max
- Med
- Medium speed blower motor relay (auxiliary) (if equipped)
- Mode actuator (auxiliary) (left rear interior)
- Off
- Pnk
- Powertrain control module (pcm) (on left front inner fender)
- Red
- Request sig
- Rr blower fuse 30a
- Rr hvac fuse 24 10a
- S103 (in engine harn)
- S103 (in engine harness)
- S152 (in engine harness)
- S202
- S202 (dash harn, in i/p relay center)
- S404
- S411 (rear a/c harn, 5 cm from o/s air valve actuator breakout)
- S412 (rear a/c harn, 13 cm from blower motor relay breakout)
- S413 (rear a/c harn, 7 cm from rear blower motor resistor breakout)
- Side of hvac plenum) air temperature actuator
- Tan
- Temp
- Underhood fuse block (left side of engine compt)
- Vent
- Vent mode
5.7L VIN R, Manual A/C Wiring Diagram, Passenger Van for Chevrolet Chevy Express G2002 2500
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List of elements for 5.7L VIN R, Manual A/C Wiring Diagram, Passenger Van for Chevrolet Chevy Express G2002 2500:
- (4.3l: gen bracket, 5.0l, 5.7l: rear of rt cyl head, 8.1l: rear of lft cyl head) g103
- (aux hvac harn, 13 cm from front hvac module breakout)
- (aux hvac harn, 13 cm from rear hvac module breakout)
- (aux hvac harn, 37 cm from front hvac module breakout)
- (aux hvac harn, 56 cm from front hvac module breakout)
- (dash harn, 4 cm from hvac switch) s215
- (in engine harness)
- (in refrigerant line) a/c low pressure switch
- (left body harn, 22 cm from front dome lamp breakout)
- (left rear of cabin, behind rear wheelwell)
- (left rear of vehicle) g402
- (rear a/c harn, 13 cm from blower motor relay breakout)
- (rear a/c harn, 5 cm from o/s air valve actuator breakout)
- (rear a/c harn, 7 cm from rear blower resistor breakout)
- (rear aux hvac harn, 29 cm from rear aux hvac module breakout)
- (under dash right
- A/c
- A/c compressor clutch
- A/c compressor enable relay (in underhood fuse block)
- A/c fuse 10a
- A/c high pressure switch (rear of a/c compressor)
- Auxiliary blower motor (behind left rear wheelhouse)
- Auxiliary blower motor resistor assembly (left rear of cabin, behind rear wheelwell)
- Bi-lev
- Blend
- Blower fuse 60a
- Blower motor (right rear of engine compt)
- Blower motor resistor assembly (right rear of engine compt, in blower motor housing)
- C1 c
- C202
- Clutch rly ctrl
- Convenience center
- Def
- Diode (in underhood fuse block)
- G103 (4.3l generator bracket, 5.0l, 5.7l: rear of rt cylinder head, 8.1l: rear of left cylinder head)
- G201 (behind left kick panel)
- Heat
- High speed blower motor relay (auxiliary)
- Hot at all times
- Hot in run
- Hot in run or start
- Htr-a/c fuse 12 20a
- Hvac control assembly
- Hvac control assembly (front auxiliary)
- Hvac control assembly (rear auxiliary)
- Hvac control processor auxiliary) (front interior roof panel)
- I/p fuse block (lower left kick panel)
- Ign e fuse 10a
- Interior lights system
- Low press sig
- Low speed blower motor relay (auxiliary)
- Max
- Med
- Medium speed blower motor relay (auxiliary)
- Off
- Pnk
- Powertrain control module (pcm) (on left front inner fender)
- Rear auxiliary mode actuator (left rear interior)
- Rear auxiliary temperature actuator (left rear interior)
- Red
- Request sig
- Rr blower fuse 30a
- Rr ctrl
- Rr hvac fuse 24 10a
- S103
- S103 (in engine harn)
- S152 (in engine harness)
- S202 (dash harn, in i/p relay center)
- S307
- S318
- S319
- S320
- S321
- S404
- S405 (rear a/c harn, 7 cm from blower resistor breakout)
- S412
- S413
- Side of hvac plenum) air temperature actuator
- Tan
- Temp
- Under- hood fuse block
- Underhood fuse block (left side of engine compt)
- Vent
- Vent mode
ANTI-LOCK BRAKES
Anti-lock Brake Wiring Diagrams for Chevrolet Chevy Express G2002 2500
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List of elements for Anti-lock Brake Wiring Diagrams for Chevrolet Chevy Express G2002 2500:
- (w/o 6.5l) (w/ 6.5)
- A13
- Abs fuse 60a
- Abs ind
- Abs ind ground
- B17
- Battery
- Brake fuse 18 10a
- Brake ind
- Brake ind input
- Brake pressure differential switch (on left frame rail, near center of vehicle)
- Brake sw input
- Computer data lines system
- Data link connector (dlc) (under left side of dash)
- Diagnostic sig
- Ebcm ground
- Electronic brake control module (ebcm) (on left frame rail, near center of vehicle)
- G101 (4.3l: left side of engine compt, near fender well) (5.0l, 5.7l, 6.5l diesel: near thermostat housing) (8.1l: rear of left cyl head)
- G102 (4.3l, 5.0l, 5.7l: at generator bracket) (6.5l diesel: at a/c compressor) (8.1l: rear of left cyl head)
- G103 (4.3l: at generator bracket) (5.ol, 5.7l: rear of right cyl head) (6.5l diesel: at generator bracket) (8.1l: rear of left cyl head)
- Gauges fuse 4 10a
- Hot at all times
- Hot in run
- Hot in run or start
- I/p fuse block (on left lower kick panel)
- Ignition
- Instrument cluster
- Left front wheel speed sensor
- Pnk
- Powertrain control module (pcm) (in engine compt, on left inner fender)
- Red
- Right front wheel speed sensor
- S101
- S111 (w/ 6.5l) (3 cm from a/c compressor clutch breakout)
- S154 (w/o 6.5l) (97 cm from underhood fuse block, toward a/c compressor clutch)
- S156 (4.3l, 5.0l, 5.7l: engine harn, near fuel inj breakout) (6.5l: engine harn, near brake pressure switch breakout) (8.1l: engine harn, near vehicle speed sensor breakout)
- S171 s102
- S216
- S235 (i/p harn, near park brake warning switch breakout)
- Sensor high
- Sensor low
- Serial data
- Signal ground
- Tan
- Tcc/brake switch (behind dash, on brake pedal support)
- Underhood fuse block
- Underhood fuse block (on left side of engine compt)
- Vehicle speed sensor (vss) (on side of transmission)
- Vehicle speed sensor (vss) module (below dash, near steering column)
- Vss (+)
- Vss (-)
- Vss sig
- W/ 6.5l
- W/o 6.5l
- Warning systems
ANTI-THEFT
Anti-theft Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Anti-theft Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (4.3l)
- (6.5l)
- (8.1l) (on rear of left cylinder head) g101
- (diesel only) s247 (i/p harn, 21 cm left of hvac switch breakout)
- (engine harn) s153
- (not used)
- 12v
- 4.3l
- 4.3l/ 6.5l
- 5 volt ref
- 5.0l/ 5.7l
- 5.0l/5.7l/ 8.1l
- 6.5l
- 8.1l
- B17
- C8 serial data c3
- Data link connector (under left side of dash)
- Diesel only
- Electronic brake control module (on left frame rail near center of vehicle)
- Fuel sender buffer module (below right side of dash, near knee bolster)
- G serial data c1
- G101 (front of engine, near thermostat housing) (except 8.1l)
- Gauges fuse 4 10a
- Ground
- Hot at all times
- Hot in run or start
- I/p fuse block
- Ign
- Instrument cluster system
- Instrument panel cluster
- Passlck sig
- Passlock module (below center of dash)
- Passlock sensor (internal to steering column)
- Passlock signal
- Pnk
- Powertrain control module (behind center of dash) (left side of engine compt)
- Powertrain control module engine compt) (left side of
- Ref voltage
- S216
- S246 (i/p harn, near instrument cluster) (diesel only)
- S254
- Sec ind out
- Security fuse 21 10a
- Security indicator
- Sens ret
- Sensor ground
- Serial data
- Serial data c1
- Switch breakout) s207
COMPUTER DATA LINES
Computer Data Lines for Chevrolet Chevy Express G2002 2500
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List of elements for Computer Data Lines for Chevrolet Chevy Express G2002 2500:
- (4.3l, 5.0l & 5.7l)
- (8.1l)
- (on rear of left cylinder head g101
- 4.3l, 6.5l diesel only
- 4.3l, 8.1l gas
- 5.0l, 5.7l gas
- 5.0l, 5.7l gas only
- 6.5l diesel
- Abs serial data
- C210
- Convenience center (under left side of dash)
- Data link connector (dlc) (under left side of dash)
- Electronic brake control module (ebcm) (on left frame rail near center of vehicle)
- G101 (front of eng, near thermostat housing)
- G201 (behind left kick panel)
- Hot at all times
- I/p fuse block
- Inflatable restraint sensing & diagnostic module (under left front seat)
- Passlock module (below center of dash)
- Powertrain control module (pcm) (behind center of dash)
- Prog signal
- Pwr aux fuse 7 25a
- Radio
- Remote control door lock receiver (rcdlr) (behind center of dash)
- S153 (6.5l: engine harn, 26 cm from a/c compressor clutch breakout
- S201
- S218
- S254
- Serial data
- Toward the c100 breakout) (except 6.5l: engine harn, 8 cm from the
CRUISE CONTROL
4.3L
4.3L VIN W, Cruise Control Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for 4.3L VIN W, Cruise Control Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- A12
- A13
- A14
- A15
- Anti-lock brakes system
- Auto cruise
- Brake fuse 18 10a
- Cruise control module (front of engine compt, near left fender)
- Cruise control on/off switch
- Cruise fuse 6 10a
- Cruise on input
- Exterior lights system
- G101 (front of engine near thermostat housing)
- Ground
- Hot at all times
- Hot in run
- I/p fuse block (left lower kick panel)
- Ignition
- Instrument cluster system
- Off
- Pnk
- Powertrain control module (pcm) (left side of engine compt)
- R/a
- Resume/accel sig
- S/c
- S210
- S231 (i/p harn, 24 cm into power seat breakout)
- S239 (i/p harn, 6 cm into power seat breakout)
- S253 (i/p harness, near park brake breakout)
- S254
- Set/coast sig
- Speed sensor input
- Speed signal
- Stop fuse 1 20a
- Stoplamp sw input
- Tcc/brake switch (on brake pedal support)
- Vcm signal
- Vehicle speed sensor (vss) (on side of transmission)
- Vss high
- Vss low
5.0L
5.0L VIN M, Cruise Control Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for 5.0L VIN M, Cruise Control Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- A12
- A13
- A14
- A15
- Anti-lock brakes system
- Auto cruise
- Brake fuse 18 10a
- Cruise control module (front of engine compt, near left fender)
- Cruise control on/off switch
- Cruise fuse 6 10a
- Cruise on input
- Exterior lights system
- G101 (front of engine near thermostat housing)
- Ground
- Hot at all times
- Hot in run
- I/p fuse block (left lower kick panel)
- Ignition
- Instrument cluster system
- Off
- Pnk
- Powertrain control module (pcm) (left side of engine compt)
- R/a
- Resume/accel sig
- S/c
- S210
- S231 (i/p harn, 24 cm into power seat breakout)
- S239 (i/p harn, 6 cm into power seat breakout)
- S253 (i/p harness, near park brake breakout)
- S254
- Set/coast sig
- Speed sensor input
- Speed signal
- Stop fuse 1 20a
- Stoplamp sw input
- Tcc/brake switch (on brake pedal support)
- Vcm signal
- Vehicle speed sensor (vss) (on side of transmission)
- Vss high
- Vss low
5.7L
5.7L VIN R, Cruise Control Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for 5.7L VIN R, Cruise Control Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- A12
- A13
- A14
- A15
- Anti-lock brakes system
- Auto cruise
- Brake fuse 18 10a
- Cruise control module (front of engine compt, near left fender)
- Cruise control on/off switch
- Cruise fuse 6 10a
- Cruise on input
- Exterior lights system
- G101 (front of engine near thermostat housing)
- Ground
- Hot at all times
- Hot in run
- I/p fuse block (left lower kick panel)
- Ignition
- Instrument cluster system
- Off
- Pnk
- Powertrain control module (pcm) (left side of engine compt)
- R/a
- Resume/accel sig
- S/c
- S210
- S231 (i/p harn, 24 cm into power seat breakout)
- S239 (i/p harn, 6 cm into power seat breakout)
- S253 (i/p harness, near park brake breakout)
- S254
- Set/coast sig
- Speed sensor input
- Speed signal
- Stop fuse 1 20a
- Stoplamp sw input
- Tcc/brake switch (on brake pedal support)
- Vcm signal
- Vehicle speed sensor (vss) (on side of transmission)
- Vss high
- Vss low
DEFOGGERS
Defogger Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Defogger Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (2 in) to right of 10 pin gray in-line connector) s245
- (right rear corner of interior of cabin, "d" pillar) g401
- C210
- Convenience center (under left side of dash)
- Driver outside rear- view mirror
- Fixed glass
- Flex circuit
- G200 (behind left kick panel)
- G201 (behind left kick panel)
- Heated mirror pushbutton
- Hot at all times
- Hot in run
- Htd mir fuse 2 20a
- Htr-a/c fuse 12 20a
- Hvac control assembly
- I/p fuse block (on left lower kick panel)
- Latch
- Left rear window defogger grid
- Moving glass
- Passen- ger outside rear- view mirror)
- Rear window defogger relay (on bottom of left "b" pillar)
- Right rear window defogger grid
- Rr defog fuse 22 25a
- S202
- S206
- S215
- S400
- S429
- S500
- S601
- S903
- Solid state timer
ENGINE PERFORMANCE
4.3L
4.3L VIN W, Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for 4.3L VIN W, Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Chevy Express G2002 2500:
- (i/p harn, 6 cm from park brake breakout)
- (lower front of engine, near crankshaft) crankshaft position sensor
- (near thermostat housing) g101
- (top rear of engine)
- (under left side of dash) data link connector
- 12v ref
- 3-2 shift sol
- 5v ref
- Battery
- Camshaft position sensor (part of distributor, rear top of engine)
- Ckp sens
- Class2 data
- Cmp sensor
- Ecm-b fuse 20a
- Ect sensor
- Egr gnd
- Egr valve
- Eng-1 k7
- Engine coolant temperature sensor (on top front of engine)
- F11
- Fuse 20a l8
- G103 (at generator bracket)
- G12
- Ground
- Heated oxygen sensor bank 1 sensor 1 (in exhaust pipe in front of catalytic converter)
- Heated oxygen sensor bank 1 sensor 2 (in exhaust pipe in back of catalytic converter)
- Heated oxygen sensor bank 2 sensor 2 (w/ air injection reaction system) (in exhaust pipe in back of catalytic converter)
- Ho2s hi
- Ho2s low
- Hot at all times
- Hot in run or start
- Ign 1
- Inj 1
- Inj 2
- Inj 3
- Inj 4
- Inj 5
- Inj 6
- Knock sensor
- Ks sig
- Low ref
- Nca
- Off/run/crk
- Pnk
- Powertrain control module (on left inner fender)
- Red
- Red c
- S101
- S102
- S120
- S130
- S152
- S207
- Solid state
- Tan
- Tcc bk sw
- Trans pres b
- Trans pres c
- Trans sw a
- Trans sw b
- Trans sw p
- Underhood fuse block
4.3L VIN W, Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for 4.3L VIN W, Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Chevy Express G2002 2500:
- (w/4l60-e trans)
- (w/4l80-e trans)
- 1-2 shift solenoid
- 2-3 shift solenoid
- 3-2 shift solenoid
- A/t fluid pressure manual valve position switch
- Automatic transmission
- Ecm-1 fuse 20a
- Exhaust gas recirculation valve (top front of engine)
- Fluid temp sensor ground
- Fluid temp sensor signal
- Fuel inj 1
- Fuel inj 2
- Fuel inj 3
- Fuel inj 4
- Fuel inj 5
- Fuel inj 6
- Heated oxygen sensor bank 2 sensor 1 (in exhaust pipe in front of catalytic converter)
- Hot in run
- Hot in run or start
- I/p fuse block
- Ignition
- M4 brake fuse 18 10a n3
- Nca
- Pnk
- Pressure control solenoid valve
- Red
- S132
- S133
- S139
- S154 (engine harn, 97 cm from underhood fuse block)
- S210
- Tan
- Tcc pcm solenoid valve
- Tcc solenoid vlave
- Tcc/brake switch (behind dash, on brake pedal support)
- Underhood fuse block
- W/4l60-e 4-speed trans only
4.3L VIN W, Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for 4.3L VIN W, Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Chevy Express G2002 2500:
- (engine harn, 110 cm from underhood fuse block)
- (engine harn, left rear of engine compt)
- (i/p harn, 6 cm from power seat breakout)
- (left front of engine) g101
- (near generator bracket) g103
- 87a
- Air fuse 30a
- B14
- B17
- Fuel lvl input
- Fuel pump & sender (in fuel tank under rear of vehicle)
- Fuel pump relay
- Fuel tank pressure sensor (in fuel tank)
- G101 (near thermostat housing)
- Gauges fuse 4 10a
- Hot at all times
- Hot in off, run or start
- Hot in run or start
- I/p fuse block
- Input
- Instrument cluster
- Instrument cluster system
- Malfunction indicator lamp (mil) "service engine soon"
- Manifold absolute pressure sensor (top right side of engine)
- Mass airflow sensor (part of air intake duct, top front of engine)
- Odometer speedometer/
- Park/ neutral position switch
- Pnk
- Red
- S101
- S102
- S103
- S119
- S136
- S152
- S161
- S162
- S163
- S164
- S171
- S216
- S239
- Secondary air injection reaction pump clutch
- Secondary air injection reaction pump relay
- Secondary air injection reaction solenoid
- Sig in
- Sig out
- Throttle position sensor (on left side of throttle body)
- Trans fuse 20 10a
- Underhood fuse block
4.3L VIN W, Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for 4.3L VIN W, Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Chevy Express G2002 2500:
- (near generator bracket) g103
- (near thermostat housing) g101
- (top left side of engine)
- 1-2 shift
- 12v ref
- 2-3 shift
- A pnk
- A/c clutch
- A/c low
- A/c req
- A/c system
- Air pump
- Anti-lock brake system
- At iss hi
- At iss lo
- Automatic transmission input shaft speed sensor (w/4l80-e) (left side of transmission)
- Charge ind
- Cruise control system
- Cruise eng
- Distributor
- Eavp purge
- Egr sol
- Egr supp
- Evap vent
- Evaporative emission canister vent solenoid (on front of evap canister)
- Evaporative emissions canister purge solenoid valve (right side of engine)
- F pmp rly
- Fuel lev
- Gen f
- Gen to
- Ground
- High voltage coil wire
- Iac coil a
- Iac coil b
- Iat sens sig
- Ic timing
- Idle air control valve
- Ignition coil (top rear of engine)
- Ignition control module (top right side of engine, at ignition coil)
- Intake air temperature sensor (front of engine compartment, part of air intake duct)
- Low ref
- Maf sens
- Map sens
- Mil
- Pc sol
- Pnk
- Powertrain control module (on left inner fender)
- Pres sens
- Red
- S101
- S102
- Solid state
- Starting/charging system
- Tan
- Tan a
- Tcc pwm sol
- Tcc sol
- Tft sens
- Tp sens
- Trans a
- Trans c
- Vehicle speed sensor (right side of transmission)
- Vss
- Vss hi
- Vss low
5.0L
5.0L VIN M, Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for 5.0L VIN M, Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Chevy Express G2002 2500:
- (i/p harn, 6 cm from park brake breakout)
- (lower left front of engine, near crankshaft) crankshaft position sensor
- (near thermostat housing) g101
- (under left side of dash) data link connector
- 12v ref
- 3-2 shift sol
- 5v ref
- Battery
- Camshaft position sensor (part of distributor, rear top of engine)
- Ckp sens
- Class2 data
- Cmp sensor
- Computer data lines system
- Ecm-b fuse 20a
- Ect sensor
- Egr gnd
- Egr valve
- Eng-1 k7
- Engine coolant temperature sensor (on top front of engine)
- F11
- Fuse 20a l8
- G103 (near generator bracket)
- G12
- Ground
- Heated oxygen sensor bank 1 sensor 1 (in exhaust pipe in front of catalytic converter)
- Heated oxygen sensor bank 1 sensor 2 (in exhaust pipe in back of catalytic converter)
- Heated oxygen sensor bank 2 sensor 2 (5.7l 0nly) (in exhaust pipe in back of catalytic converter)
- Ho2s hi
- Ho2s low
- Hot at all times
- Hot in run or start
- Ign 1
- Inj 1
- Inj 2
- Inj 3
- Inj 4
- Inj 5
- Inj 6
- Inj 7
- Inj 8
- Knock sensor (on right side of engine)
- Ks 1
- Low ref
- Nca
- Off/run/crk
- Pnk
- Powertrain control module (on left inner fender)
- Red
- Red c
- S101
- S102
- S120
- S130
- S152
- S207
- Solid state
- Tan
- Tcc bk sw
- Trans pres b
- Trans pres c
- Trans sw a
- Trans sw b
- Trans sw p
- Underhood fuse block
- W/ 4l60
- W/ 4l80
5.0L VIN M, Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for 5.0L VIN M, Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Chevy Express G2002 2500:
- (w/4l60-e trans)
- (w/4l80-e trans)
- 1-2 shift solenoid
- 2-3 shift solenoid
- 3-2 shift solenoid
- A/t fluid pressure manual valve position switch
- Automatic transmission
- Ecm-1 fuse 20a
- Exhaust gas recirculation valve (top front of engine)
- Fluid temp sensor ground
- Fluid temp sensor signal
- Fuel inj 1
- Fuel inj 2
- Fuel inj 3
- Fuel inj 4
- Fuel inj 5
- Fuel inj 6
- Fuel inj 7
- Fuel inj 8
- Heated oxygen sensor bank 2 sensor 1 (in exhaust pipe in front of catalytic converter)
- Hot in run
- Hot in run or start
- I/p fuse block
- Ignition
- M4 brake fuse 18 10a n3
- Nca
- Pnk
- Pressure control solenoid valve
- Red
- S132
- S133
- S139
- S154 (engine harn, 97 cm from underhood fuse block)
- S210
- Tan
- Tcc pcm solenoid valve
- Tcc solenoid vlave
- Tcc/brake switch (behind dash, on brake pedal support)
- Underhood fuse block
- W/4l60-e 4-speed trans only
5.0L VIN M, Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for 5.0L VIN M, Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Chevy Express G2002 2500:
- (engine harn, left rear of engine compt)
- (i/p harn, 6 cm from power seat breakout)
- (near generator bracket) g103
- (near thermostat housing) g101
- 87a
- Air fuse 30a
- B14
- B17
- Fuel lvl input
- Fuel pump & sender (in fuel tank under rear of vehicle)
- Fuel pump relay
- Fuel tank pressure sensor (in fuel tank)
- G101 (near thermostat housing)
- Gauges fuse 4 10a
- Hot at all times
- Hot in off, run or start
- Hot in run or start
- I/p fuse block
- Input
- Instrument cluster
- Instrument cluster system
- Malfunction indicator lamp (mil) "service engine soon"
- Manifold absolute pressure sensor (top right side of engine)
- Mass airflow sensor (part of air intake duct, top front of engine)
- Odometer speedometer/
- Park/ neutral position switch
- Pnk
- Red
- S101
- S102
- S103
- S119
- S152
- S161
- S162
- S163
- S164
- S165
- S171
- S216
- S239
- Secondary air injection reaction pump clutch
- Secondary air injection reaction pump relay
- Secondary air injection reaction solenoid
- Sig in
- Sig out
- Throttle position sensor (on side of throttle body)
- Trans fuse 20 10a
- Underhood fuse block
5.0L VIN M, Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for 5.0L VIN M, Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Chevy Express G2002 2500:
- (near generator bracket) g103
- (near thermostat housing) g101
- (top left side of engine)
- 1-2 shift
- 12v ref
- 2-3 shift
- A pnk
- A/c clutch
- A/c low
- A/c req
- A/c system
- Air pump
- Anti-lock brake system
- At iss hi
- At iss lo
- Automatic transmission input shaft speed sensor (w/4l80-e) (left side of transmission)
- Charge ind
- Cruise control system
- Cruise eng
- Distributor
- Eavp purge
- Egr sol
- Egr supp
- Evap vent
- Evaporative emission canister vent solenoid (california) (on left frame rail, near fuel tank)
- Evaporative emissions canister purge solenoid valve (right side of engine)
- F pmp rly
- Fuel lev
- Gen f
- Gen to
- Ground
- High voltage coil wire
- Iac coil a
- Iac coil b
- Iat sens sig
- Ic timing
- Idle air control valve
- Ignition coil (top right side of engine)
- Ignition control module (top right side of engine, at ignition coil)
- Intake air temperature sensor (front of engine compartment, part of air intake duct)
- Low ref
- Maf sens
- Map sens
- Mil
- Pc sol
- Pnk
- Powertrain control module (on left inner fender)
- Pres sens
- Red
- S101
- S102
- Solid state
- Starting/charging system
- Tan
- Tan a
- Tcc pwm sol
- Tcc sol
- Tft sens
- Tp sens
- Trans a
- Trans c
- Vehicle speed sensor (on side of transmission)
- Vss
- Vss hi
- Vss low
5.7L
5.7L VIN R, Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for 5.7L VIN R, Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Chevy Express G2002 2500:
- (i/p harn, 6 cm from park brake breakout)
- (lower left front of engine, near crankshaft) crankshaft position sensor
- (near thermostat housing) g101
- (under left side of dash) data link connector
- 12v ref
- 3-2 shift sol
- 5v ref
- Battery
- Camshaft position sensor (part of distributor, rear top of engine)
- Ckp sens
- Class2 data
- Cmp sensor
- Computer data lines system
- Ecm-b fuse 20a
- Ect sensor
- Egr gnd
- Egr valve
- Eng-1 k7
- Engine coolant temperature sensor (on top front of engine)
- F11
- Fuse 20a l8
- G103 (near generator bracket)
- G12
- Ground
- Heated oxygen sensor bank 1 sensor 1 (in exhaust pipe in front of catalytic converter)
- Heated oxygen sensor bank 1 sensor 2 (in exhaust pipe in back of catalytic converter)
- Heated oxygen sensor bank 2 sensor 2 (5.7l 0nly) (in exhaust pipe in back of catalytic converter)
- Ho2s hi
- Ho2s low
- Hot at all times
- Hot in run or start
- Ign 1
- Inj 1
- Inj 2
- Inj 3
- Inj 4
- Inj 5
- Inj 6
- Inj 7
- Inj 8
- Knock sensor (on right side of engine)
- Ks 1
- Low ref
- Nca
- Off/run/crk
- Pnk
- Powertrain control module (on left inner fender)
- Red
- Red c
- S101
- S102
- S120
- S130
- S152
- S207
- Solid state
- Tan
- Tcc bk sw
- Trans pres b
- Trans pres c
- Trans sw a
- Trans sw b
- Trans sw p
- Underhood fuse block
- W/ 4l60
- W/ 4l80
5.7L VIN R, Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for 5.7L VIN R, Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Chevy Express G2002 2500:
- (w/4l60-e trans)
- (w/4l80-e trans)
- 1-2 shift solenoid
- 2-3 shift solenoid
- 3-2 shift solenoid
- A/t fluid pressure manual valve position switch
- Automatic transmission
- Ecm-1 fuse 20a
- Exhaust gas recirculation valve (top front of engine)
- Fluid temp sensor ground
- Fluid temp sensor signal
- Fuel inj 1
- Fuel inj 2
- Fuel inj 3
- Fuel inj 4
- Fuel inj 5
- Fuel inj 6
- Fuel inj 7
- Fuel inj 8
- Heated oxygen sensor bank 2 sensor 1 (in exhaust pipe in front of catalytic converter)
- Hot in run
- Hot in run or start
- I/p fuse block
- Ignition
- M4 brake fuse 18 10a n3
- Nca
- Pnk
- Pressure control solenoid valve
- Red
- S132
- S133
- S139
- S154 (engine harn, 97 cm from underhood fuse block)
- S210
- Tan
- Tcc pcm solenoid valve
- Tcc solenoid vlave
- Tcc/brake switch (behind dash, on brake pedal support)
- Underhood fuse block
- W/4l60-e 4-speed trans only
5.7L VIN R, Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for 5.7L VIN R, Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Chevy Express G2002 2500:
- (engine harn, left rear of engine compt)
- (i/p harn, 6 cm from power seat breakout)
- (near generator bracket) g103
- (near thermostat housing) g101
- 87a
- Air fuse 30a
- B14
- B17
- Fuel lvl input
- Fuel pump & sender (in fuel tank under rear of vehicle)
- Fuel pump relay
- Fuel tank pressure sensor (in fuel tank)
- G101 (near thermostat housing)
- Gauges fuse 4 10a
- Hot at all times
- Hot in off, run or start
- Hot in run or start
- I/p fuse block
- Input
- Instrument cluster
- Instrument cluster system
- Malfunction indicator lamp (mil) "service engine soon"
- Manifold absolute pressure sensor (top right side of engine)
- Mass airflow sensor (part of air intake duct, top front of engine)
- Odometer speedometer/
- Park/ neutral position switch
- Pnk
- Red
- S101
- S102
- S103
- S119
- S152
- S161
- S162
- S163
- S164
- S165
- S171
- S216
- S239
- Secondary air injection reaction pump clutch
- Secondary air injection reaction pump relay
- Secondary air injection reaction solenoid
- Sig in
- Sig out
- Throttle position sensor (on side of throttle body)
- Trans fuse 20 10a
- Underhood fuse block
5.7L VIN R, Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for 5.7L VIN R, Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Chevy Express G2002 2500:
- (near generator bracket) g103
- (near thermostat housing) g101
- (top left side of engine)
- 1-2 shift
- 12v ref
- 2-3 shift
- A pnk
- A/c clutch
- A/c low
- A/c req
- A/c system
- Air pump
- Anti-lock brake system
- At iss hi
- At iss lo
- Automatic transmission input shaft speed sensor (w/4l80-e) (left side of transmission)
- Charge ind
- Cruise control system
- Cruise eng
- Distributor
- Eavp purge
- Egr sol
- Egr supp
- Evap vent
- Evaporative emission canister vent solenoid (california) (on left frame rail, near fuel tank)
- Evaporative emissions canister purge solenoid valve (right side of engine)
- F pmp rly
- Fuel lev
- Gen f
- Gen to
- Ground
- High voltage coil wire
- Iac coil a
- Iac coil b
- Iat sens sig
- Ic timing
- Idle air control valve
- Ignition coil (top right side of engine)
- Ignition control module (top right side of engine, at ignition coil)
- Intake air temperature sensor (front of engine compartment, part of air intake duct)
- Low ref
- Maf sens
- Map sens
- Mil
- Pc sol
- Pnk
- Powertrain control module (on left inner fender)
- Pres sens
- Red
- S101
- S102
- Solid state
- Starting/charging system
- Tan
- Tan a
- Tcc pwm sol
- Tcc sol
- Tft sens
- Tp sens
- Trans a
- Trans c
- Vehicle speed sensor (on side of transmission)
- Vss
- Vss hi
- Vss low
EXTERIOR LIGHTS
Back-up Lamps Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Back-up Lamps Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- Back-up lamp switch (park/neutral position switch) (left side of transmission)
- D c406
- G400 (left rear corner of interior of cabin "d" pillar)
- G401 (right rear corner of interior of cabin "d" pillar)
- Hot in run or start
- I/p fuse block
- I/p harness, near breakout to convenience center) s260
- Left back-up lamp
- Mirrors system
- Pnk
- Right back-up lamp
- S217
- S409
- S909
- S910
- Turn b/u fuse 16 20a
Exterior Lamps Wiring Diagram, with Composite Headlamps for Chevrolet Chevy Express G2002 2500
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List of elements for Exterior Lamps Wiring Diagram, with Composite Headlamps for Chevrolet Chevy Express G2002 2500:
- (forward lamp harn, 25 cm into left forward lamp harness) s142
- (forward lamp harness, 26 cm from left forward lamp breakout) s135
- (i/p harness, near the hvac switch breakout) s225
- (not used)
- A10
- B c406
- B9 turn pwr b8 haz pwr b7 flshr out c8 gnd
- Center high mounted stop lamp (chmsl)
- Cruise control system
- F c406
- G108 (left side of engine compt, near fender well)
- G109 (right side of engine compt, near fender well)
- G201 (behind left kick panel)
- G400 (left rear corner of interior of cabin "d' pillar)
- G401 (right rear corner of interior of cabin "d' pillar)
- Haz sw
- Hazard
- Hazard fuse 20a
- Head
- Headlamp switch
- Hot at all times
- Hot in run or start
- I/p fuse block
- I/p relay center (under left side of dash)
- Instru- ment panel cluster
- Interior lights system
- Left
- Left front inner park/ turn signal lamp
- Left front marker lamp
- Left front outer park/ turn signal lamp
- Left rear park/ turn signal lamp
- Left tail lamp
- Left turn ind
- License lamp
- Multi- function switch
- Normal
- Off
- Park
- Park lps fuse 9 20a
- Pnk
- Right
- Right front inner park/ turn signal lamp
- Right front marker lamp
- Right front outer park/ turn signal lamp
- Right rear park/ turn signal lamp
- Right tail lamp
- Right turn ind
- S110
- S118
- S125 (in i/p harn, in left rear of engine compt, near the bulkhead)
- S145 (forward lamp harness, 15 cm into right forward lamps breakout)
- S183 (in i/p harn, in left rear of engine compt, near the bulkhead)
- S202
- S217
- S222
- S253
- S400
- S402 (left body harn, behind right taillamp assembly)
- S903
- S909
- S910
- Stop fuse 20a
- Tcc/ brake switch (behind dash, on brake pedal support)
- Tn sw
- Turn- b/u fuse 16 20a
- Turn/hazard lamp flasher
- W/ optional trailer wiring package
- W/ optional trailer wiring package)
Exterior Lamps Wiring Diagram, with Sealed Beam Headlamps for Chevrolet Chevy Express G2002 2500
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List of elements for Exterior Lamps Wiring Diagram, with Sealed Beam Headlamps for Chevrolet Chevy Express G2002 2500:
- (forward lamp harn, 25 cm into left forward lamp harness) s142
- (forward lamp harness, 26 cm from left forward lamp breakout)
- (i/p harness, near the hvac switch breakout) s225
- (not used)
- A10
- B c406
- B9 turn pwr b8 haz pwr b7 flshr out c8 gnd
- Center high mounted stop lamp (chmsl)
- Cruise control system
- F c406
- G108 (left side of engine compt, near fender well)
- G109 (right side of engine compt, near fender well)
- G201 (behind left kick panel)
- G400 (left rear corner of interior of cabin "d" pillar)
- G401 (right rear corner of interior of cabin "d" pillar)
- Haz sw
- Hazard
- Hazard fuse 20a
- Head
- Headlamp switch
- Hot at all times
- Hot in run or start
- I/p fuse block
- I/p relay center (under left side of dash)
- Instru- ment panel cluster
- Interior lights system
- Left
- Left front park/turn signal lamp
- Left front side marker lamp
- Left rear park/ turn signal lamp
- Left tail lamp
- Left turn ind
- License lamp
- Multi- function switch
- Normal
- Off
- Park
- Park lps fuse 9 20a
- Pnk
- R100 (resistor) (6 ohms, 30 watts)
- Right
- Right front park/turn signal lamp
- Right front side marker lamp
- Right rear park/ turn signal lamp
- Right tail lamp
- Right turn ind
- S110
- S118
- S125 (in i/p harn, in left rear of engine compt, near the bulkhead)
- S135
- S145 (forward lamp harness, 15 cm into right forward lamps breakout)
- S183 (in i/p harn, in left rear of engine compt, near the bulkhead)
- S202
- S217
- S222
- S253
- S400
- S402 (left body harn, behind right taillamp assembly)
- S903
- S909
- S910
- Stop fuse 20a
- Tcc/ brake switch (behind dash, on brake pedal support)
- Tn sw
- Turn- b/u fuse 16 20a
- Turn/hazard lamp flasher
- W/ optional trailer wiring package
- W/ optional trailer wiring package)
GROUND DISTRIBUTION
Ground Distribution Wiring Diagram (1 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for Ground Distribution Wiring Diagram (1 of 4) for Chevrolet Chevy Express G2002 2500:
- (forward lamp harness, approx 19 cm into left forward lamp breakout)
- (forward lamp harness, approx 21 cm into right forward lamp breakout)
- (i/p harness, approx 7 cm from i/p relay center breakout)
- (lower i/p harness, approx 7 cm into i/p compartment lamp breakout)
- (sun shade harness, approx 7 cm from right sun shade breakout)
- (w/ upfitter provisions)
- 31a
- A/t shift lock solenoid
- A12
- Accessory power outlet
- Air temperature actuator
- Auxiliary battery (diesel)
- Auxiliary blower motor
- Auxiliary blower motor switch
- Battery
- C200
- C202
- C210
- Cigar lighter
- Convenience center
- Convenience center (left side of dash)
- Coolant level module (diesel)
- Coolant level switch (diesel)
- Cruise test resistor connector
- Cruise test resistor connector (school bus only) b
- Data link connector
- Daytime running lamp (drl) control module
- Door jamb switch
- Door lock control module
- Door lock relay
- Driver seat adjuster switch
- E13
- Fog lamp switch
- Front passenger seat adjuster switch
- G100 (right side of engine compt, near fender well)
- G104 (right frame rail, near front of engine)
- G105 (right lower front of engine)
- G108 (left side of engine compt, near fender well)
- G109 (right side of engine compt, near fender well)
- G112 (left side of engine compt, under brake master cylinder)
- G200 (behind left kick panel)
- G201 (behind left kick panel)
- G300 (left frame rail, near auxiliary battery)
- G301 (in cutaway body harn, near tail lamp breakout)
- Headlamp leveling switch
- Headlamp switch
- Hvac control assembly
- I/p compartment lamp
- I/p relay block
- Ignition switch
- Instrument panel cluster (ipc)
- Interior lamp control module
- Left fog lamp
- Left front marker lamp
- Left front park/turn signal lamp
- Left headlamp (w/ sealed beam headlamps)
- Left headlamp leveling actuator
- Left high beam headlamp (w/ composite headlamps)
- Left low beam headlamp (w/ composite headlamps)
- Left rear fog lamp
- Left vanity mirror lamp
- Multi- function alarm module
- Nca
- Power brake (p/b) booster fluid alarm switch
- Radio
- Rear fog lamp switch
- Remote control door lock receiver
- Right fog lamp
- Right front marker lamp
- Right front park/turn signal lamp
- Right headlamp (w/ sealed beam headlamps)
- Right high beam headlamp (w/ composite headlamps)
- Right low beam headlamp (w/ composite headlamps)
- Right vanity mirror lamp
- S150 (approx 12 cm from left forward lamp breakout)
- S201 (i/p harness, approx 4 cm from park brake warning switch breakout)
- S202
- S204
- S205
- S206 (crossbody harness, approx 22 cm from power door lock relay breakout)
- S257 (power seat harn, under left side of dash)
- S328 (cutaway provision body harn, approx 80 cm from taillamp breakout)
- School bus equipment
- Seat belt switch
- Steering column ground
- To s500 or left front door jamb switch (diagram 2 of 4)
- To s601 or right front door jamb switch (diagram 2 of 4)
- Turn signal/ hazard flasher module
- Upfitter provisions relay
- W/ upfitter provisions
- W/o keyless entry
- Windshield washer pump motor
- Windshield wiper motor
Ground Distribution Wiring Diagram (2 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for Ground Distribution Wiring Diagram (2 of 4) for Chevrolet Chevy Express G2002 2500:
- (at generator bracket) g103
- (engine harness, approx 10 cm from a/c compressor breakout)
- (i/p harness, approx 8 cm from bulkhead connector breakout)
- (left front door harness, approx 7 cm from power window switch breakout)
- (right front door harness, approx 7 cm from power window switch breakout)
- A/c compressor clutch
- A18
- Ambulance package
- B13
- Base
- Blower motor resistor assembly
- Brake pressure differential switch
- C206
- C302
- Center dome/ reading lamps
- Data link connector (dlc)
- Diesel engines
- Diode
- Driver door jamb switch
- Driver door lock switch
- Driver outside rear view mirror
- Driver window switch
- Electronic brake control module (ebcm)
- Fog lamp relay
- From s206 (diagram 1 of 4)
- Front passenger door jamb switch
- Front passenger power door lock switch
- Front passenger power window switch
- Front reading lamps
- Fuel heater
- Fuel pump
- Fuel pump relay
- Fuel sender buffer module
- Fuse block
- G101 (front of engine, near thermostat housing)
- G102 (left front of engine at a/c compressor)
- G106 (left side of safety wall)
- G202 (behind left kick panel)
- Garage door opener
- Glow plug relay
- Horn assembly
- Inflatable restraint sensing & diagnostic module
- Inside rear view mirror
- Instrument panel cluster (ipc)
- Nca
- Non base
- Outside rearview mirror switch
- Park/ neutral position switch
- Passenger outside rearview mirror
- Passlock module
- Powertrain control module (pcm)
- Rear dome/ reading lamps
- Rsa-t module
- S101 (engine harness, approx 10 cm from a/c compressor breakout)
- S102
- S254
- S322 (upfitters provisions harn, approx 29 cm from upfitter provision relay)
- S330 (in entertainment harn, approx 20 cm from rsa-t module breakout)
- Starter relay
- Switch amp power relay
- Underhood fuse block
- Underhood lamp
- Upfitters provisions
- Vehicle speed sensor buffer
- W/ nb6
- W/ upfitter provisions
- W/o nb6
- Water-in- fuel sensor
Ground Distribution Wiring Diagram (3 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for Ground Distribution Wiring Diagram (3 of 4) for Chevrolet Chevy Express G2002 2500:
- (4.3l, 5.ol & 5.7l)
- (8.1l)
- (8.1l: eng harn, 6 cm from a/c compressor high pressure cutoff switch breakout, 4.3l, 50l & 5.7l: eng harn, 4 cm from a/c compressor clutch breakout, toward transmission)
- 4.3l & 5.7l
- 4.3l 5.0l 5.7l
- 4.3l, 5.0l, 5.7l a
- 8.1l
- 8.1l eng w/ electronic reactor system air injection
- A b 8.1l
- A/c compressor clutch
- A/c low pressure switch
- Actuator control (tac) module
- B13
- Blower motor resistor assembly
- Brake pressure differential switch
- Cruise control module
- Data link connector (dlc)
- Diode
- Electronic brake control module (ebcm)
- Except 8.1l
- Except 8.1l eng w/ electronic reactor system air injection
- Fuel pump & sender assembly
- Fuel pump relay
- G101 (front of engine, near thermostat housing)
- G101 (on rear of left cylinder head)
- G102 (eng harn, 4.3l, 5.0l & 5.7l: near generator bracket, 8.1l: on rear of left cylinder head)
- G103 (5.ol & 5.7l: rear of right cylinder head, 8.1l: rear of left cylinder head, 4.3l: near generator bracket)
- Gasoline engines
- Heated oxygen sensor (ho2s) bank 1 sensor 1
- Heated oxygen sensor (ho2s) bank 1 sensor 2
- Heated oxygen sensor (ho2s) bank 2 sensor 1
- Heated oxygen sensor (ho2s) bank 2 sensor 2
- Horn assembly
- Ignition coil 1
- Ignition coil 2
- Ignition coil 3
- Ignition coil 4
- Ignition coil 5
- Ignition coil 6
- Ignition coil 7
- Ignition coil 8
- Ignition control module (icm)
- Instrument panel cluster (ipc)
- Mass air flow (maf) sensor
- Nca
- Park/ neutral position switch
- Passlock module
- Powertrain control module (pcm)
- S101 (4.3l, 5.0l & 5.7l: eng harn, 21 cm from ignition coil breakout, toward ebcm, 8.1l: eng harn, 13 cm from crankshaft position breakout)
- S102 (8.1l- approx 5 cm from a/c compressor clutch breakout, ex 8.1l- approx 104 cm from underhood fuse block, toward a/c compressor clutch breakout)
- S103
- S152 (4.3l: eng harn, 26 cm from icm breakout, 8.1l: eng harn, 38 cm from generator breakout)
- S171 (8.1l- approx 104 cm from underhood fuse block, ex 8.1l- approx 60 cm from underhood fuse block, toward a/c compressor clutch breakout)
- S183
- S184
- S254 (i/p harn, approx 8 cm from bulkhead connector breakout, toward instrument cluster)
- Secondary air injection (air) pump
- Secondary air injection (air) solenoid
- Starter relay
- Throttle
- Underhood fuse block
- Underhood lamp
- W/ hydra-matic 4l60-e or 4.3l w/ hydra-matic 4l80-e c
- W/ hydra-matic 4l80-e b
Ground Distribution Wiring Diagram (4 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for Ground Distribution Wiring Diagram (4 of 4) for Chevrolet Chevy Express G2002 2500:
- (axiliary heater & a/c harn, 13 cm from front auxiliary hvac control assembly breakout) s318
- (entertainment harn, 7.5 cm from, rsa-t module breakout)
- (rear a/c harn, approx 5 cm from outside air valve actuator breakout) s411
- Auxiliary air temperature actuator
- Auxiliary blower motor
- Auxiliary blower motor switch
- Auxiliary hvac control processor
- Auxiliary mode actuator
- Back-up lamp
- Bare
- Bose amp
- Cargo
- Center high mounted stoplamp
- Chmsl connector breakout)
- Front 100w amp
- Front audio circuits to bose 2000 amp amplifier 1
- Front auxiliary hvac control assembly
- G203 (behind left kick panel)
- G302 (right "b" pillar)
- G303 (left "b" pillar)
- G304 (right rear wheel well)
- G400 (left rear corner of interior of cabin, "d" pillar)
- G401 (right rear corner of the interior of the cabin, "d" pillar)
- Left back-up lamp
- Left rear fog lamp
- Left rear park/turn signal lamp
- Left rear window defogger grid
- Left tail/ stop lamp
- License lamp
- Passenger
- Rear 100w amp
- Rear accessory power outlet b
- Rear audio circuits rsa-t to bose 2000 amp ampllifiers
- Rear audio circuits to bose 2000 amp amplifier 1
- Rear audio circuits to bose 2000 amp amplifier 2
- Rear audio circuits to rsa-t
- Rear auxiliary hvac control assembly
- Rear window defogger relay
- Rear woofer
- Right back-up lamp
- Right rear door jamb switch
- Right rear park/turn signal lamp
- Right rear window defogger grid
- Right tail/stop lamp
- S331 (entertainment harn, 16cm from first bose amplifier breakout)
- S394 bare
- S400 (left body harn, 33 cm from a connector breakout toward chmsl connector breakout)
- S902 (rear license lamp jumper near right license lamp)
- S903 (right rear door harn, approx 29 cm from the door jamb switch breakout)
- S909 (right taillight harn, near back-up lamp breakout)
- S910 (near back-up lamp breakout)
- Shield for radio audio outputs
- W/ auxiliary heater
- W/ auxiliary heater or wiring provisions
- W/ rear a/c
- Wiring provisions
HEADLIGHTS
Headlight Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Headlight Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (12.5 cm into left parking lamp breakout) s112
- (approx 10 cm from park brake warning switch breakout)
- (forward lamp harn, approx 13 cm from left forward lamp breakout toward right forward lamp breakout) s143
- (in drl module breakout)
- (in fog lamp switch breakout)
- (right side of engine compt)
- 17a
- A13
- A17
- Acc
- B17
- Bat pwr
- Brake indicator
- Brake warning
- C200
- Composite headlamps
- Daytime running lamps control module (under left side of dash, taped to dash harness)
- Drl fuse 15 15a
- Drl indicator
- Drl relay ctrl
- E11 c200
- E12
- E13
- F f
- Fog lamp relay
- Fog lamp switch
- Fog light fuse 10a
- Foglamp enable relay (taped to harness near fog lamp switch)
- G106 (left side of safety wall)
- G108 (left side of engine compt)
- G109
- G109 (right side of engine compt)
- G201 (behind left kick panel)
- Gauges fuse 4 10a
- Ground
- Head
- Headlamp dimmer switch
- Headlamp switch
- High beam indicator
- High beam out
- Hot at all times
- Hot in run or start
- I/p fuse block (on left lower kick panel)
- Ign (run/st)
- Ignition switch
- Illum
- Indicator
- Instrument panel cluster (ipc)
- Interior lights system
- Left fog lamp
- Left headlamp high beam/ headlamp low beam
- Left high beam headlamp
- Left low beam headlamp
- Lighting fuse 40a
- Lock
- Low beam out
- Nca
- Off
- Park
- Park brake in
- Park brake switch (near left kick panel, on park brake lever)
- Pnk
- Rear fuse block (rear of driver door)
- Red
- Right fog lamp
- Right headlamp high beam/ headlamp low beam
- Right high beam headlamp
- Right low beam headlamp
- Run
- S110
- S118
- S143 (forward lamp harn, approx 13 cm from left forward lamp breakout toward right forward lamp breakout)
- S144 (forward lamp harn, approx 19 cm from left forward lamp breakout)
- S202
- S211
- S216
- S234 (i/p harn, 8 cm toward park brake warning switch breakout)
- S235
- S255 (29 cm from hvac switch breakout)
- S256 (7 cm into steering column harn breakout)
- S261
- S262
- S330
- Sealed beam headlamps
- Start
- Tan
- Underhood fuse block (on left side of engine compt)
- Warning systems
HORN
Horn Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Horn Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (not used)
- A11
- C100
- C200
- G103 (at generator bracket)
- Gasoline diesel
- Horn brush
- Horn fuse 20a
- Horn relay
- Horn switch
- Horns (left front of engine compt)
- Hot at all times
- Nca
- S103 s101
- S127
- Turn signal switch
- Underhood fuse/relay center
- Underhood fuse/relay center (left side of engine compt)
INSTRUMENT CLUSTER
Instrument Cluster Wiring Diagram (1 of 2) for Chevrolet Chevy Express G2002 2500
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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Chevrolet Chevy Express G2002 2500:
- (7 bulbs)
- (dash harness, 10 cm parking brake warning switch breakout) s235
- (diesel only)
- (eng harn, 4.3l/5.0/5.7l: 10 cm from injector harn breakout, 8.1l: 10 cm from vehicle speed sensor, 6.5l: 4 cm from brake pressure sw breakout)
- (gas)
- (not used)
- 8.1l
- A10
- A11
- A12
- A13
- A14
- A15
- A16
- A17
- Acc
- Air bag ind
- Anti-lock brakes system
- Anti-lock brakes warning ind
- Anti-theft system
- B10
- B11
- B12
- B13
- B14
- B15
- B16
- B17
- Bat ind
- Brake ind ctl
- Brake lamp ctl
- Brake pressure differential switch (left frame rail near center of vehicle, part of electronic brake control module)
- Brake warning ind
- Check gauges ind
- Coolant level module (diesel only) (behind left side of dash)
- Coolant level switch (diesel only) (under coolant recovery/ surge tank)
- Daytime running lamps control module (under left side of dash, taped to harness)
- Diesel only
- Dimmimg signal
- Diode d101
- Drl lamp ind
- Electronic brake control module (ebcm) (left framerail, near center of vehicle)
- Eng-i mini fuse 20a
- Engine controls system
- Engine coolant temperature sensor (on right side of engine)
- Engine coolant temperature sensor (on top front of engine)
- Except 8.1l
- Exterior lights system
- Fuel gauge
- G101 (front of engine, near thermostat housing)
- G103 (5.ol & 5.7l: rear of right cylinder head, 8.1l: rear of left cylinder head, 4.3l: near generator bracket)
- G103 (diesel) (at generator bracket)
- G109 (right side of engine compt, near fender well)
- G201 (behind left kick panel)
- Gauges fuse 4 10a
- Gnd
- Ground
- Headlights system
- High beam ind
- Hot in run or start
- I/p fuse block (lower left kick panel)
- I/p lamp voltage
- Ign
- Ign 1
- Ign 1 volt
- Ign feed
- Ignition switch
- Illumin- ation lamps
- Ind ctrl
- Instrument cluster
- Interior lights system
- Led
- Left turn ind
- Lock
- Logic
- Low coolant ind (diesel)
- Odometer
- Off
- Oil pressure gauge
- Park/neutral position switch (left side of transmission)
- Pk brake
- Pnk
- Prnd
- Right turn ind
- Run
- S101
- S118
- S130
- S156
- S201
- S202
- S216
- S254
- Safety belt ind
- Security ind
- Service engine soon ind
- Service throttle soon ind (diesel)
- Speedo- meter
- Start
- Starting/charging system
- Tan
- Temp gauge
- Tr sw a
- Tr sw b
- Tr sw c
- Tr sw p
- Underhood fuse block (left side of eng compt)
- Underhood fuse/relay center (on left side of engine compt)
- Volt- meter
- Wait to start ind (diesel)
- Warning system
- Water in fuel ind (diesel)
- Water-in-fuel sensor (diesel only) (left frame rail, near center of vehicle)
Instrument Cluster Wiring Diagram (2 of 2) for Chevrolet Chevy Express G2002 2500
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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Chevrolet Chevy Express G2002 2500:
- (below right side of dash, near knee bolster)
- (diesel only)
- (eng harn, 4.3l: 110 cm from underhood fuse/ relay center, 5.0l, 5.7l: 65 cm from a/c compressor clutch breakout, 8.1l: 6 cm from a/c compressor high pressure cutoff switch breakout)
- (i/p harn, 6 cm into power seat breakout)
- (i/p harn, approx 21 cm from hvac switch breakout) s247
- +5v ref
- 1.5k
- Anti-lock brakes system
- Brake fuse 18 10a
- C301
- Diesel
- Engine controls system
- Engine oil pressure sensor (top rear of engine)
- Fuel level
- Fuel pump & sender assembly (in fuel tank)
- Fuel sender buffer module
- Fuel sig
- Fuel tank & level sender assembly (in fuel tank)
- G101 (front of engine, near thermostat housing)
- G112 (left side of engine compt, under brake master cylinder)
- Gasoline
- Gnd
- Hot in acc or run
- Hot in off run or start
- I/p fuse block (lower left kick panel)
- Ign
- Ignition
- Inline diode d202 (near park brake switch)
- Low flow
- Low pres.
- Low ref
- P/b booster fluid flow & pressure alarm delay module
- P/b booster fluid flow alarm
- P/b booster fluid pressure alarm switch
- Park brake warning switch
- Passlock module (behind center of dash)
- Pnk
- Power brake (p/b) booster fluid flow alarm switch
- Powertrain control module (behind center of dash)
- Powertrain control module (in engine compt on left inner fender)
- Prim sig
- Radio
- Resistor r208 (w/ uj1) (near i/p fuse block)
- S136
- S210
- S238 (i/p harn, 23 cm into passlock module breakout)
- S239
- S246 (i/p harn, approx 25 cm from hvac switch breakout)
- S254
- Sens gnd
- Speed sig
- Sw sense
- Tan
- Tank signal
- Trans fuse 20 10a
- Twisted pair
- Vehicle speed sensor (left side of transmission)
- Vehicle speed sensor buffer (diesel only) (below dash, near steering column)
- Vss high
- Vss low
- Vss out
- Vss sen
- W/ p/b booster warning option, rpo code-uj1
INTERIOR LIGHTS
Interior Light Wiring Diagram (1 of 2) for Chevrolet Chevy Express G2002 2500
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List of elements for Interior Light Wiring Diagram (1 of 2) for Chevrolet Chevy Express G2002 2500:
- (base: body harn, approx 37 cm to rear of front dome lamp breakout)
- (behind center of dash)
- (behind center of dash) remote control door lock reciever
- (behind left kick panel)
- (body harn, approx 6 cm to rear of front dome lamp breakout)
- (crossbody harn, 9 cm to right of in-line conn breakout, toward convenience center breakout)
- (front crossbody harn, approx 23 cm from right kick panel)
- (i/p harn, 4 cm
- (i/p harn, 9 cm from breakout to headlamp switch) s226
- (left front door harn) s501
- (right front door harn) s603
- (upfitter: body harn, approx 46 cm from convenience center breakout)
- A nca
- Ash- tray lamp
- Battery
- Bright adjust
- C1 c210
- Center dome & reading lamp
- Con- venience center
- Ctsy fuse 3 20a
- Dome lamp
- Dome lamp override switch
- Dome switch
- Door lock control module (on left kick panel)
- Dr jamb sw
- Driver door lock switch
- Driver window switch
- E8 c202
- From breakout to hvac controls)
- Front dome & reading lamp
- Front pasenger door lock switch
- Front passenger window switch
- G200 (behind left kick panel)
- G201
- G201 (behind left kick panel)
- G401 (right rear corner of the interior of the cabin "d" pillar)
- Gauges fuse 4 10a
- Ground
- Headlamp switch
- Hot at all times
- Hot in run & start
- I/p compart- ment lamp
- I/p fuse block
- Ignition
- Interior lamp control module (on right lower kick panel)
- Lamp
- Left front door jamb switch
- Left front stepwell lamp
- Left vanity mirror lamp
- Nca
- Parade mode switch
- Park lps fuse 9 20a
- Park switch
- Pnk
- Pwr accy fuse a 25a
- Reading lamps
- Rear dome & reading lamp
- Rear door jamb switch
- Right front door jamb switch
- Right front stepwell lamp
- Right side stepwell lamp
- Right vanity mirror lamp
- S201
- S204
- S205
- S206
- S216
- S225
- S227
- S228
- S230
- S232
- S240
- S306
- S308 (sunshade illuminated mirror harn, 7 cm from right sunshade breakout)
- S406
- S903
- Side door jamb switch
- To i/p fuse block (diagram 2 of 2)
- To s224 (diagram 2 of 2)
- W/ power door locks
- W/ rke
- W/o power door locks
- W/o rke
Interior Light Wiring Diagram (2 of 2) for Chevrolet Chevy Express G2002 2500
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List of elements for Interior Light Wiring Diagram (2 of 2) for Chevrolet Chevy Express G2002 2500:
- (8.1l)
- (auxiliary heat w/ a/c)
- (auxiliary heat)
- (diesel)
- (entertainment harn, approx 22 cm from left "b" pillar) s337
- (exc 8.1l)
- (gasoline)
- (gasoline) (diesel)
- (i/p harn, 4 cm from breakout to headlamp switch)
- (passenger)
- Auxiliary blower motor switch
- B10
- B12
- B13
- B6 ground b8 ground c3
- Fog lamp switch
- From headlamp switch (diagram 1 0f 2)
- Front auxiliary hvac control assembly
- G101 (front of engine, near thermostat housing)
- G101 (on rear of left cylinder head)
- G103 (5.ol & 5.7l: rear of right cylinder head, 8.1l: rear of left cylinder head, 4.3l & 6.5l: near generator bracket)
- G106 (left side of safety wall)
- G201 (behind left
- G201 (behind left kick panel)
- G400 (left rear corner of interior of cabin, "d" pillar)
- Game box (slt & lt)
- Garage door opener (slt & lt)
- Ground c5
- Ground ground c1
- Horn fuse 20a
- Hot at all times
- Hot in accy & run
- Hot in off, run & start
- Hvac control assembly
- I/p fuse block
- Illum fuse 14 10a
- Instrument cluster
- Kick panel)
- Nca
- Odometer
- Pnk
- Prndl
- Radio
- Radio-i fuse 17 10a
- Rear auxiliary hvac control assembly
- Rsa control (slt & lt)
- Rsa-t module (slt & lt models)
- S102
- S103
- S127
- S152 s101
- S171
- S201
- S202
- S220
- S223 (i/p harn, approx 17 cm from radio breakout)
- S224
- S254 (diesel)
- S318
- S330
- S400
- Trans fuse 20 10a
- Under- hood lamp
- Underhood fuse block
POWER DISTRIBUTION
Power Distribution Wiring Diagram (1 of 5) for Chevrolet Chevy Express G2002 2500
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List of elements for Power Distribution Wiring Diagram (1 of 5) for Chevrolet Chevy Express G2002 2500:
- (approx 13 cm from blower motor resistor assembly breakout) s412
- (crossbody harn, approx 2 cm from convenience center conn breakout)
- (i/p harn, approx 3 cm into tcc/stoplamp switch breakout)
- (i/p harn, near i/p fuse block)
- (rear a/c harn, 3 cm from blower motor breakout)
- (rear aux htr and a/c harn, approx 11 cm from rear aux hvac control module breakout)
- (upfitters provision harn, 22cm from upfitter provision relay)
- (upfitters provision harn, near upfitter provision relay)
- A.i.r. fuse 30a
- A13
- Abs fuse 60a
- Acc
- Air temperature actuator
- Ambulance
- Aux-a fuse 50a
- Aux-b fuse 50a
- Auxiliary air temperature actuator
- Auxiliary battery
- Auxiliary high speed blower motor relay
- Auxiliary hvac control processor
- Auxiliary low speed blower motor relay
- Auxiliary med speed blower motor relay
- Auxiliary mode actuator
- Battery
- Battery junction block
- Blower fuse 60a
- Blower motor resistor assembly
- Brake fuse 18 10a
- C202
- C206
- C210
- C302
- Connector)
- Conve- nience center
- Convenience center
- Crank fuse 8 10a
- Cruise control module (gasoline)
- Cruise control on/off switch
- Cruise fuse 6 10a
- Diesel
- Driver window switch
- Electronic brake control module (ebcm)
- From aux-a fuse (diagram 1 of 5)
- Front auxiliary hvac control module
- Front passenger window switch
- Fusible link (10 ga- rust)
- Fusible link (10 ga-rust)
- G201 (behind left kick panel)
- Gasoline
- Generator
- Glowplug relay
- Htr a/c fuse 12 20a
- Hvac control assembly
- I/p fuse block
- Ign-a fuse 40a
- Ign-b fuse 50a
- Ignition switch
- Lock
- Nca
- Off
- Park/ neutral position switch
- Passenger
- Pnk
- Power brake (p/b) booster fluid low alarm
- Pwr wdo fuse b 25a
- R208 inline resistor
- Radio
- Radio 1 fuse 17 10a
- Rear auxiliary hvac control module
- Rear blower fuse 30a
- Red
- Rr hvac fuse 24 10a
- Run
- S201
- S210
- S213
- S229
- S307
- S311
- S312
- S404
- S405
- Secondary air injection pump relay
- Start
- Starter relay
- Starter solenoid
- Tcc/ brake switch
- To rear fuse block (diagram 4 of 5) (upfitter provision)
- To s214 (diagram 3 of 5)
- To trans fuse (diagram 4 of 5)
- To underhood fuse block (diagram 2 of 5)
- To underhood fuse-relay center (diagram 2 of 5)
- To upfitter provision relay (diagram 1 of 5)
- Underhood fuse block
- Upfitter provision connector
- Upfitter provision relay (behind left b pillar)
- W/ electronic reactor system air injection
- W/ rear a/c
- Windshield washer/ wiper switch
- Windshield wiper motor
- Wiper fuse 11 25a
Power Distribution Wiring Diagram (2 of 5) for Chevrolet Chevy Express G2002 2500
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List of elements for Power Distribution Wiring Diagram (2 of 5) for Chevrolet Chevy Express G2002 2500:
- (4.3l, 5.0l, 5.7l)
- (6.5l, 8.1l: approx 4 cm from a/c comp clutch breakout, other: approx 14 cm from bulkhaed connector) s120
- (crossbody harn, 10 cm from keyless entry module breakout)
- (crossbody harn, approx 20 cm from power door lock relay breakout) s232
- (diesel: engine harn, approx 25 cm from bulkhead connector, gas: engine harn, approx 10 cm from underhood fuse block)
- (i/p harn, 7 cm from instrument cluster breakout) s218
- (i/p harn, 8 cm from hvac sw breakout) s219
- (i/p harn, approx 30 cm from bulkhead connector) s212
- (i/p harn, approx 8 cm into i/p relay center breakout) s222
- (i/p harness, approx 4 cm into power seat breakout)
- (i/p harness, approx 9 cm from hvac sw breakout) s227
- (in bose amplifiers breakout) s338
- (left body harn, 37 cm from from dome lamp breakout) s406
- (sun shade illum mirror harness, approx 7 cm from right sun shade lamp breakout) s308
- A.i.r. fuse 30a
- A/c compressor clutch relay
- A/c compressor fuse 10a
- Accessory power outlet
- B11
- Batt fuse 50a
- C13
- C202
- C210
- Center dome lamp
- Cig ltr fuse 13 20a
- Cigar lighter
- Convenience center
- Ctsy fuse 3 20a
- D13
- Data link connector (dlc)
- Daytime running lamps (drl) control module
- Dome lamp
- Door lock control module
- Door lock rear cargo switch
- Door lock relay
- Driver door lock switch
- Driver seat adjuster switch
- Drl fuse 15 15a
- Ecm-b fuse 20a
- From underhood b fuse block (diagram 1 of 5)
- From underhood fuse-relay center (diagram 1 of 5)
- Front dome lamp
- Front passenger door lock switch
- Front passenger seat adjuster switch
- Front reading lamps
- Fuel pump relay
- G201 (behind left kick panel)
- Garage door opener
- Hazard fuse 5 20a
- Hazard switch
- Headlamp switch
- Horn fuse 20a
- Horn relay
- Htd mir fuse 2 20a
- Hvac control assembly
- I/p compartment lamp
- I/p fuse block
- Illuminated entry module
- Instrument panel cluster (ipc)
- Left front stepwell lamp
- Left vanity mirror lamp
- Lighting fuse 40a
- Luxury
- Multi- function alarm module
- Nca
- Outside rearview mirror switch
- Park lps fuse 9 20a
- Passlock module
- Powertrain control module (pcm) (diesel)
- Powertrain control module (pcm) (gasoline)
- Pwr accy fuse a 25a
- Pwr aux fuse 7 25a
- Radio
- Radio-b fuse 19 10a
- Rear dome lamp
- Rear window defogger relay
- Red
- Remote control door lock receiver or vehicle immobilizer module (vim)
- Right front stepwell lamp
- Right side stepwell lamp
- Right vanity mirror lamp
- Rr defog fuse 22 25a
- S127
- S205
- S211 (i/p harness, approx 4 cm from park brake warning switch breakout)
- S221
- S228
- Secondary air injection (air) pump relay
- Security fuse 21 10a
- Side door lock control
- Stop fuse 1 20a
- Tcc/ brake switch
- Underhood fuse box
- Underhood fuse center
- Underhood lamp
- W/ electric a
- W/ upfitter
- W/o upfitter
Power Distribution Wiring Diagram (3 of 5) for Chevrolet Chevy Express G2002 2500
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List of elements for Power Distribution Wiring Diagram (3 of 5) for Chevrolet Chevy Express G2002 2500:
- (8.1l)
- (engine harn, approx 14 cm from a/c compressor high pressure cutoff switch breakout) s132
- (engine harn, approx 15 cm into fuel injector harness breakout) s133
- (engine harn, approx 4 cm from fuel injector harness breakout) s132
- (engine harn, approx 4 cm from fuel injector harness breakout) s133
- (engine harn, approx 7 cm from injector harn breakout)
- (engine harness, approx 10 cm from a/c compressor clutch breakout) s117
- (engine jumper harn, approx 2 cm from the optical fuel temperature sensor breakout) s108
- (fed) (cal)
- 4.3l
- 4.3l, 5.0l, 5.7l
- 5.0l, 5.7l
- 6.5l
- 6.5l & 8.1l
- 8.1l
- A/c compressor clutch relay
- C11
- C12
- Ecm-1 fuse 20a
- Etc fuse 15a
- Exhaust pressure regulator (epr) solenoid
- From ignition switch (diagram 1 of 5)
- Fuel injectors
- Glow plug relay
- Ign-e fuse 10a
- Ignition coil
- Ignition coils
- Ignition control module (icm)
- Nca
- Pnk
- Power- train control module (pcm)
- Powertrain control module (pcm)
- S132
- S185
- S186
- S187
- S188
- S214 (i/p harn, approx 17 cm from bulkhead connector)
- Throttle actuator control (tac) module
- To eng-1 fuse (diagram 5 of 5)
- To i/p fuse block (diagram 4 of 5)
- Turbocharger wastegate solenoid
- Underhood fuse block
- Underhood fuse block center
Power Distribution Wiring Diagram (4 of 5) for Chevrolet Chevy Express G2002 2500
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List of elements for Power Distribution Wiring Diagram (4 of 5) for Chevrolet Chevy Express G2002 2500:
- (eng harn, approx 75 cm from underhood fuse block) s139
- (entertainment harn, approx 11 cm from second bose amplifier breakout)
- (entertainment harn, red
- (i/p harness, approx 37 cm from bulkhead connector) s217
- (i/p harness, approx 4 cm from bulkhead connector breakout at base of steering column) s216
- A12
- Air bags fuse 10 10a
- Approx 16 cm from rear fuse block) s333
- Automatic transmission
- Auxiliary fuse block
- Auxiliary power fuse 15a
- B10
- B17
- Base
- Bose amp 1
- Bose amp 2
- Bose amp fuse 20a
- C103
- C210
- Convenience center
- Coolant level module (diesel)
- Daytime running lamp (drl) control module
- Except base
- Fog lamp fuse 10a
- Fog lamp relay
- Foglamp enable relay (luxury)
- From aux-b fuse (diagram 1 of 5)
- From ignition switch (diagram 1 of 5)
- From s214 (diagram 3 of 5)
- From upfitter provision relay (diagram 1 of 5)
- Fuel sender buffer module (diesel)
- G403 (right rear wheel well)
- Gauges fuse 4 10a
- Hazard switch
- Headlamp switch
- I/p fuse block
- Illum fuse 14 10a
- Inflatable restraint sensing & diagnositc module (sdm)
- Inside rearview mirror (luxury)
- Instrument panel cluster (ipc)
- Interior lamp control module
- Interior lights system
- Interior lights system (headlamp switch)
- Multi- function alarm module
- Park/neutral position switch
- Passlock module
- Pnk
- Power amplifier fuse 20a
- Power amplifier relay
- Powertrain control module (pcm) (4.3l, 5.0l, 5.7l)
- Rear accessory power outlet
- Rear fuse block
- Red
- Remote control door lock receiver or vehicle immobilizer module
- Rsa-t fuse 10a
- Rsa-t module
- S336
- Trans fuse 20 10a
- Turn b/u fuse 16 20a
- Vehicle speed sensor buffer (diesel)
Power Distribution Wiring Diagram (5 of 5) for Chevrolet Chevy Express G2002 2500
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List of elements for Power Distribution Wiring Diagram (5 of 5) for Chevrolet Chevy Express G2002 2500:
- (4.3l: engine harn, approx 4 cm from icm breakout, 5.0l & 5.7l: engine harn, approx 12 cm from the heated right oxygen sensor breakout) s130
- (engine harn jumper, approx 4 cm into the engine shutoff solenoid breakout) s107
- (engine harn, approx 28 cm from generator breakout) s130
- 6.5l
- 8.1l
- Camshaft position (cmp) sensor
- Eng-1 fuse 20a
- Evaporative emission (evap) canister purge solenoid
- Evaporative emission (evap) canister purge valve
- Evaporative emission (evap) canister vent solenoid
- Evaporative emission (evap) canister vent valve
- From ecm-1 fuse (diagram 3 of 5)
- Fuel heater
- Fuel shutoff solenoid
- Fuel solenoid driver
- Heated oxygen sensor (ho2s) bank 1 sensor 1
- Heated oxygen sensor (ho2s) bank 1 sensor 2 (4.3l)
- Heated oxygen sensor (ho2s) bank 1 sensor 2 (calif)
- Heated oxygen sensor (ho2s) bank 1 sensor 3 (5.0l & 5.7l)
- Heated oxygen sensor (ho2s) bank 2 sensor 1
- Heated oxygen sensor (ho2s) bank 2 sensor 2
- Mass airflow (maf) sensor
- Pnk
- S130 (engine harn, left top of engine)
- Secondary air injection (air) pump relay
- Underhood fuse block
- Water- in-fuel sensor
POWER DOOR LOCKS
Power Door Lock Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Power Door Lock Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (crossbody harn, near power lock relay breakout) s243
- Batt (b+)
- Battery (b+)
- C210
- Convenience center (under left side of dash)
- Data link connector (under left side of dash)
- Dome lamps
- Dome lmp off
- Door lock control module (on left kick panel)
- Driver door lock actuator
- Driver dr unlk
- Driver power door lock switch
- Front passenger door lock actuator
- Front passenger power door lock switch
- G200 (left kick panel)
- Gauges fuse 4 10a
- Ground
- Hot at all times
- Hot in run, bulb test or start
- I/p fuse block (on left lower kick panel)
- Ignition
- Int lts in
- Interior lights system
- Lock
- Lock out
- Lock sig
- Pass drs unlk
- Pnk
- Power door lock relay (behind center of dash)
- Program sig
- Pwr accy fuse a 25a
- Rear cargo door lock switch
- Rear door lock actuator
- Remote control door lock receiver (behind center of dash)
- Rr door unlk
- S206
- S216
- S221
- S228
- S241 (crossbody harness, near power lock relay breakout)
- S242 (crossbody harn, near power lock relay breakout)
- S244 (crossbody harness, near power lock relay breakout)
- Side door contactor (right "b" pillar)
- Side door jamb switch
- Side door lock actuator
- Side door sw
- Tan
- Unlock
- Unlock in
- Unlock sig
POWER MIRRORS
Power Mirror Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Power Mirror Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (behind left kick panel) g201
- (left front door harness, approx 7 cm from power mirror motor connector)
- (right front door harness, approx 7 cm from power mirror switch connector)
- Ctsy fuse 3 20a
- Driver outside rearview mirror
- Hot at all times
- I/p fuse block
- Left mirror
- Outside rearview mirror switch
- Passenger outside rearview mirror
- Right mirror
- Right/ left motor
- S232
- S500
- S502
- S604
- Up/ down motor
POWER SEATS
Power Seat Wiring Diagrams for Chevrolet Chevy Express G2002 2500
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List of elements for Power Seat Wiring Diagrams for Chevrolet Chevy Express G2002 2500:
- All- down
- All-up
- Back
- C306
- C307
- Down
- Driver seat adjuster switch
- Driver seat forward/ rearward, front vertical, rear vertical motor
- Entire seat
- For- ward
- Front down
- Front passenger seat adjuster switch
- Front passenger seat forward/ rearward, front vertical, rear vertical motor
- Front up
- G201 (behind left kick panel)
- Hot at all times
- I/p fuse block
- Left power seat forward/ rearward motor
- Left power seat front tilt motor
- Left power seat rear tilt motor
- Nca
- Pwr accy fuse a 25a
- Rear down
- Rear up
- Red
- Right power seat forward/ rearward motor
- Right power seat front tilt motor
- Right power seat rear tilt motor
- S256
- S257
- Tan
POWER WINDOWS
Power Window Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Power Window Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (left kick panel) g200
- (left kick panel) g201
- C210
- Convenience center (left side of dash)
- Driver window motor
- Driver window switch
- Front passenger window motor
- Front passenger window switch
- Hot in accy & run
- I/p fuse block (on lower left kick panel)
- Interior lights system
- Left
- Power wdo fuse b 25a
- Right
- S229
- S500
- Tan
RADIO
Radio Wiring Diagrams, Except LT for Chevrolet Chevy Express G2002 2500
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List of elements for Radio Wiring Diagrams, Except LT for Chevrolet Chevy Express G2002 2500:
- (left body harn, near center high mounted stoplamp breakout) s424
- (left front door harn, approx 4cm from the power winow breakout towards the radio speaker breakout) s504
- (left front door harn, approx 7cm from the power window break- out towards p500) s503
- (right body harn, near center high mounted stoplamp breakout) s423
- A10
- A11
- A12
- Acc voltage
- Antenna
- B10
- B11
- B12
- Base
- Battery
- Class 2 data
- Computer data lines system
- Convenience center (left side of dash)
- Dimming sig
- G201 (behind left kick panel)
- Ground
- Hot at all times
- Hot in acc or run
- I/p fuse block
- I/p lamp
- Interior lights system
- Left front door speaker
- Left front door tweeter speaker
- Left rear door speaker
- Left rear speaker
- Lf speaker (+)
- Lf speaker (-)
- Lr speaker (+)
- Lr speaker (-)
- Nca
- Orn
- Pnk
- Power antenna system
- Premium
- Radio
- Radio i fuse 17 10a
- Radio on sig
- Radio-b fuse 19 10a
- Red
- Rf speaker (+)
- Rf speaker (-)
- Right front door speaker
- Right front door tweeter speaker
- Right rear door speaker
- Right rear speaker
- Rr speaker (+)
- Rr speaker (-)
- S202
- S219
- S220
- S407 (left body harn, near rear tail lamp breakout, toward rear dome lamp breakout)
- S419 (left body harn, near rear tail lamp breakout, toward rear dome lamp breakout)
- S605 (right front door harn, approx 7cm from power window motor breakout towards p600)
- S606 (right front door harn, approx 7cm from power window switch breakout, toward c212 breakout)
- Tan
- W/ upfitter
- W/o upfitter
Radio Wiring Diagrams, LT (1 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for Radio Wiring Diagrams, LT (1 of 4) for Chevrolet Chevy Express G2002 2500:
- (behind left kick panel) g201
- (in left front door harn, approx 7 cm from the power window motor breakout)
- A10
- A11
- A12
- Acc voltage
- Amp voltage
- Antenna
- B10
- B11
- B12
- Bare
- Battery
- Bose 200amp amplifier 1 (above right interior panel above rear wheelhouse)
- Class 2 data
- Computer data lines system
- Dimming sig
- Drain
- Front 100-watt audio amplifier (under front passenger seat)
- Front bass speaker
- Front speaker (+)
- Front speaker (-)
- Front subwfr (+)
- Front subwfr (-)
- G106 (left side of safety wall)
- G203 (behind left kick panel)
- G302 (right "b" pillar)
- G303 (left "b" pillar)
- G304
- G304 (right rear wheel well)
- Ground
- Hot at all times
- Hot in acc or run
- I/p fuse block (left lower kick panel)
- I/p lamp
- Information not available
- Interior lights system
- L b pillar sp (+)
- L b pillar sp (-)
- Left b-pillar speaker
- Left front door speaker
- Lf lo aud sig (+)
- Lf lo aud sig (-)
- Lf speaker (+)
- Lf speaker (-)
- Lo spker sig (-) front aud sig (-)
- Lo spker sig (-) rear aud sig (-)
- Lr lo aud sig (+)
- Lr lo aud sig (-)
- Nca
- Pnk
- Power amplifier fuse 20a
- R b pillar sp (+)
- R b pillar sp (-)
- Radio
- Radio i fuse 17 10a
- Radio on sig
- Radio-b fuse 19 10a
- Rear 100-watt audio amplifier (behind right interior panel, rear of rear (wheelhouse)
- Rear fuse block
- Rear fuse block (rear of driver door, behind left interior panel)
- Rear speaker (+)
- Rear speaker (-)
- Rear woofer
- Remote radio sig
- Remote radio volt
- Rf lo aud sig (+)
- Rf lo aud sig (-)
- Rf speaker (+)
- Rf speaker (-)
- Right b-pillar speaker
- Rr lo aud sid (-)
- Rr lo aud sig (+)
- Rr lo aud sig (-)
- Rsa enable sig
- Rsa-t fuse 10a
- Rsa-t module (behind left interior panel rear of driver door)
- S202
- S219
- S220
- S330
- S331
- S332
- S334
- S335
- S503
- Switch amplifier power relay
- Tan
- Vcp/dvd power sig
Radio Wiring Diagrams, LT (2 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for Radio Wiring Diagrams, LT (2 of 4) for Chevrolet Chevy Express G2002 2500:
- "b" pillar)
- (in enter- tainment harn, approx 7 cm from breakout to g304)
- (in entertainment harn, approx 15 cm from breakout to g304)
- (in entertainment harn, approx 19 cm from breakout to g304)
- (in right front door harn, approx 7cm from the power window motor breakout) s605
- A nca
- A10
- A11
- A12
- Amp voltage
- B nca
- B10
- B11
- B12
- Bare
- Battery
- Bose 200amp amplifier 2 (above right interior panel above rear wheelhouse)
- Bose amplifier fuse 20a
- Drain
- G303 (left
- G304 (right rear wheel well)
- Ground
- Hot at all times
- L mid hl spkr (-)
- Left mid headliner speaker
- Left rear headliner speaker
- Lf speaker (-)
- Lr hl speaker (+)
- Lr hl speaker (-)
- Lr lo aud sig (+)
- Lr lo aud sig (-)
- Nca
- R mid hl spkr (+)
- R mid hl spkr (-)
- Rear fuse block (rear of driver door, behind left interior panel)
- Rear subwfr (-)
- Rear suwfr (+)
- Red
- Right front door speaker
- Right mid headliner speaker
- Right rear headliner speaker
- Rr hl spkr (+)
- Rr hl spkr (-)
- Rr lo aud sid (-)
- Rr lo aud sig (+)
- Rr lo aud sig (-)
- Rsa-t module (behind left interior panel rear of driver door)
- S331
- S332
- S336
- S340
- S341 (in enter- tainment harn, approx 11 cm from breakout to g304)
- S342
- S343
- S606 (in right front door harn, approx 7cm from the power window switch breakout)
- Serial data
- Tan
- Vcp aud left (+)
- Vcp aud right (+)
- Vcp sig (+)
- Vcp sig (-)
- Vcp/dvd power
- Vcp/dvd pwr
- Video cassette player (vcp)
- Video sig (+)
- Video sig (-)
Radio Wiring Diagrams, LT (3 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for Radio Wiring Diagrams, LT (3 of 4) for Chevrolet Chevy Express G2002 2500:
- Aux aud left (+)
- Aux aud right (+)
- Aux audio left sig (+)
- Aux audio right sig (+)
- Aux audio sig (-)
- Aux video hi sig
- Aux video high sig
- Aux video low sig
- Bare
- Battery
- Drain
- Front video display
- G303 (left "b" pillar)
- Game box (forward of right rear wheelhouse)
- Ground
- I/p lamp voltage
- Pnk
- Radio on sig
- Red
- Rsa-t module (behind left interior panel rear of driver door)
- S332
- S394
- Tan
- Vcp aud left (+)
- Vcp aud right (+)
- Vcp audio left sig (+)
- Vcp audio sig (-)
- Vcp audio sig right (+)
- Vcp ir serial data
- Vcp r pwr sense
- Vcp rear serial data
- Vcp select sig
- Vcp serial data
- Vcp standby sig
- Vcp video sig (+)
- Vcp video sig (-)
- Vcp/dvd pwr enable
Radio Wiring Diagrams, LT (4 of 4) for Chevrolet Chevy Express G2002 2500
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List of elements for Radio Wiring Diagrams, LT (4 of 4) for Chevrolet Chevy Express G2002 2500:
- Amp relay cntrl
- Aux audio left sig (+)
- Aux audio right sig (+)
- Aux audio sig (-)
- Aux audleft sig (+)
- Aux audright sig (+)
- Aux video high sig
- Aux video low sig
- Bare
- Battery
- C310
- C311
- Drain
- Front video display
- G106 (left side of safety wall)
- G303 (left "b" pillar)
- Ground
- I/p lamp voltage
- Information not available
- Interior lights system
- Left (+)
- Left (-)
- Lr lo (+)
- Lr lo (-)
- Lr lo aud sig (+)
- Lr lo aud sig (-)
- Nca
- Pnk
- Rear seat audio (rsa) control (in rear overhead console)
- Rear video display
- Red
- Remote radio sig
- Remote radio volt
- Right (+)
- Right (-)
- Rr lo (+)
- Rr lo (-)
- Rr lo aud sig (+)
- Rr lo aud sig (-)
- Rsa enable cntrl
- Rsa-t module (behind left interior panel rear of driver door)
- S332
- Tan
- Vcp aud left sig (+)
- Vcp aud sig right (+)
- Vcp audio left sig (+)
- Vcp audio sig (-)
- Vcp audio sig right (+)
- Vcp ir serial data
- Vcp pwr standby sig
- Vcp pwr stndby
- Vcp rear pwr sig
- Vcp rear serial data
- Vcp serial data
- Vcp video sel sig
- Vcp video sig (+)
- Vcp video sig (-)
SHIFT INTERLOCKS
Shift Interlock Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Shift Interlock Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- A/t shift lock solenoid (right side of steering column)
- G201 (behind left kick panel)
- Hot in run or start
- I/p fuse block
- Park/ neutral position switch (left side of transmission) c1
- Pnk
- S201
- S217 pnk
- Turn/ hazard switch
- Turn/bu fuse 16 20a
STARTING/CHARGING
Charging Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Charging Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (not used)
- (right side of engine compartment, near fender well) g100
- B16
- B17
- Battery
- Charge indicator
- Fusible link (10 ga- rust)
- Gauges fuse 4 10a
- Generator l
- Hot in run & start
- I/p fuse block (on left lower kick panel)
- Instrument cluster
- Pnk
- Power distribution system
- Powertrain control module (pcm)
- Red
- S216
- Starting/charging system (starting circuit)
Starting Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Starting Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (right side of engine compartment, near fender well) g100
- Accy
- Auxiliary battery
- Batt
- Battery
- Battery junction block
- Crank fuse 8 10a
- Diesel
- Fusible link (10 ga- rust)
- G103 (6.5l, 4.3l: near generator bracket) (5.0l, 5.7l: rear of right cylinder head) (8.1l: rear of left cylinder head)
- G300 (left frame rail, near auxiliary battery)
- Gas
- Generator
- Hold- in winding
- I/p fuse block (on left lower kick panel)
- Ign-a fuse 40a
- Ignition switch
- Label stud
- Lock
- Off
- Orange
- Park/neutral position switch (on left side of transmission)
- Power distribution system
- Pull- in winding
- Red
- Run
- Start
- Starter motor
- Starter relay (in underhood fuse/relay center)
- Underhood fuse/relay center (on left side of engine compartment)
- White
SUPPLEMENTAL RESTRAINTS
Supplemental Restraint Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Supplemental Restraint Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- (behind left kick panel, near i/p fuse block) g202
- (behind left kick panel, near power door lock control module) g201
- (in i/p harness, approximately 4 cm (2 in) from 48 cavity connector at base of steering column, pnk
- 2 ohms
- 4 cm (2 in) from park brake warning switch breakout) s201
- A10
- A11
- A12
- A13
- A14
- A15
- A16
- A17
- A18
- Air bag indicator
- Air bags fuse 10 10a
- B17
- Base
- Class 2 serial data
- Data link connector (dlc) (partial) (under left side of dash)
- Gauges fuse 4 10a
- Ground
- High control
- Hot in run & start
- I/p fuse block (on left lower kick panel)
- Ignition
- Indicator control
- Inflatable restraint diagnostic resistor
- Inflatable restraint front end discriminating sensor (on lower center of radiator support)
- Inflatable restraint ip module
- Inflatable restraint sensing & diagnostic module (under left front seat)
- Inflatable restraint steering wheel module
- Inflatable restraint steering wheel module coil
- Instrument panel cluster (ipc)
- Low control
- Multi-function alarm module (under left side of dash)
- Nca
- Ohms
- Over gvw
- Pnk
- S207 (in i/p harness, approximately 6 cm (2 in) from park brake warning switch breakout, toward data link connector (dlc))
- S209 (in i/p harness, approximately 39 cm (16 in) from 36-way in-line connector, left rear of engine compartment at firewall, toward inflatable restraint sensing & diagnostic module)
- Seat belt switch
- Seat belt switch (open when buckled) (at driver's stationary belt connector)
- Sensor signal
- Shorting bar
- Toward instrument cluster breakout) s216
TRANSMISSION
4.3L
4.3L VIN W, A/T Wiring Diagram, 4L60-E for Chevrolet Chevy Express G2002 2500
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List of elements for 4.3L VIN W, A/T Wiring Diagram, 4L60-E for Chevrolet Chevy Express G2002 2500:
- (4.3l: left side of engine compt, near fenderwell)
- (5.0l & 5.7l)
- (5.0l & 5.7l: near thermostat housing) g101
- (dash harn, in breakout to power seat harn)
- (engine harn, at breakout to a/c comp clutch)
- (near breakout to dlc) s207
- (near breakout to pcm)
- (under left side of dash) data link connector
- +5v
- 1-2 shift solenoid
- 1-2 ss
- 2-3 shift solenoid
- 2-3 ss
- 3-2 shift solenoid
- 3-2 ss
- 4.3l
- 5.0l & 5.7l
- 5.0l, 5.7l
- A/t fluid pressure manual valve position switch
- Abs relay, electronic pwr brake booster, brake ctrl module
- Anti-lock brakes system
- Automatic transmission (4l60-e)
- B10
- B17
- Brake fuse 18 10a
- Brk sw
- C350
- Cls 2 data
- Computer data lines system
- Cruise control system
- D3, d2
- D4, d2
- Ecm1 fuse 20a
- Ecmb fuse 20a
- Ect sig
- Electronic brake control module
- Engine coolant temperature sensor (top front of engine)
- Fluid temp sensor
- Fuel injectors, ignition coil
- G103 (4.3l: at the
- Gauges fuse 4 10a
- Generator bracket) (5.0l & 5.7l: rear of right cylinder head)
- Gnd
- Hot at all times
- Hot in off, run & start
- Hot in run
- Hot in run & start
- I/p fuse block (lower left kick panel)
- Ign
- Ignition control module, fuel injectors, ignition coil (4.3l)
- Instrument panel cluster (ipc)
- Lo ref
- Malfunction indicator lamp
- Mil ctrl
- Park/neutral position switch (left side of transmission)
- Passlock module, multi- function alarm module, interior lamp control module, drl module, headlamp module, inside rearview mirror, foglamp enable relay, drl rear park lamp relay
- Pc sol hi
- Pc sol lo
- Pnk
- Powertrain control module (on left inner fender panel)
- Press ctrl solenoid
- Prnd a
- Prnd b
- Prnd c
- Prnd p
- Prnd321
- Range b
- Range c
- Red
- Red a
- Rev, lo
- S101
- S102
- S120
- S132
- S133
- S139
- S153
- S154
- S161
- S162
- S163
- S164
- S210
- S216
- S231
- Sens gnd
- Tan
- Tcc pwm
- Tcc pwm solenoid
- Tcc sol
- Tcc solenoid
- Tcc/brake switch (on brake pedal support)
- Tft sens sig
- Throttle position sensor (left side of throttle body)
- Tp sig
- Trans fuse 20 10a
- Trans rng a
- Underhood fuse block (left side of engine compt)
- Vehicle speed sensor (right side of transmission)
- Vss hi
- Vss lo
5.0L
5.0L VIN M, A/T Wiring Diagram, 4L60-E for Chevrolet Chevy Express G2002 2500
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List of elements for 5.0L VIN M, A/T Wiring Diagram, 4L60-E for Chevrolet Chevy Express G2002 2500:
- (4.3l: left side of engine compt, near fenderwell)
- (5.0l & 5.7l)
- (5.0l & 5.7l: near thermostat housing) g101
- (dash harn, in breakout to power seat harn)
- (engine harn, at breakout to a/c comp clutch)
- (near breakout to dlc) s207
- (near breakout to pcm)
- (under left side of dash) data link connector
- +5v
- 1-2 shift solenoid
- 1-2 ss
- 2-3 shift solenoid
- 2-3 ss
- 3-2 shift solenoid
- 3-2 ss
- 4.3l
- 5.0l & 5.7l
- 5.0l, 5.7l
- A/t fluid pressure manual valve position switch
- Abs relay, electronic pwr brake booster, brake ctrl module
- Anti-lock brakes system
- Automatic transmission (4l60-e)
- B10
- B17
- Brake fuse 18 10a
- Brk sw
- C350
- Cls 2 data
- Computer data lines system
- Cruise control system
- D3, d2
- D4, d2
- Ecm1 fuse 20a
- Ecmb fuse 20a
- Ect sig
- Electronic brake control module
- Engine coolant temperature sensor (top front of engine)
- Fluid temp sensor
- Fuel injectors, ignition coil
- G103 (4.3l: at the
- Gauges fuse 4 10a
- Generator bracket) (5.0l & 5.7l: rear of right cylinder head)
- Gnd
- Hot at all times
- Hot in off, run & start
- Hot in run
- Hot in run & start
- I/p fuse block (lower left kick panel)
- Ign
- Ignition control module, fuel injectors, ignition coil (4.3l)
- Instrument panel cluster (ipc)
- Lo ref
- Malfunction indicator lamp
- Mil ctrl
- Park/neutral position switch (left side of transmission)
- Passlock module, multi- function alarm module, interior lamp control module, drl module, headlamp module, inside rearview mirror, foglamp enable relay, drl rear park lamp relay
- Pc sol hi
- Pc sol lo
- Pnk
- Powertrain control module (on left inner fender panel)
- Press ctrl solenoid
- Prnd a
- Prnd b
- Prnd c
- Prnd p
- Prnd321
- Range b
- Range c
- Red
- Red a
- Rev, lo
- S101
- S102
- S120
- S132
- S133
- S139
- S153
- S154
- S161
- S162
- S163
- S164
- S210
- S216
- S231
- Sens gnd
- Tan
- Tcc pwm
- Tcc pwm solenoid
- Tcc sol
- Tcc solenoid
- Tcc/brake switch (on brake pedal support)
- Tft sens sig
- Throttle position sensor (left side of throttle body)
- Tp sig
- Trans fuse 20 10a
- Trans rng a
- Underhood fuse block (left side of engine compt)
- Vehicle speed sensor (right side of transmission)
- Vss hi
- Vss lo
5.7L
5.7L VIN R, A/T Wiring Diagram, 4L60-E for Chevrolet Chevy Express G2002 2500
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List of elements for 5.7L VIN R, A/T Wiring Diagram, 4L60-E for Chevrolet Chevy Express G2002 2500:
- (4.3l: left side of engine compt, near fenderwell)
- (5.0l & 5.7l)
- (5.0l & 5.7l: near thermostat housing) g101
- (dash harn, in breakout to power seat harn)
- (engine harn, at breakout to a/c comp clutch)
- (near breakout to dlc) s207
- (near breakout to pcm)
- (under left side of dash) data link connector
- +5v
- 1-2 shift solenoid
- 1-2 ss
- 2-3 shift solenoid
- 2-3 ss
- 3-2 shift solenoid
- 3-2 ss
- 4.3l
- 5.0l & 5.7l
- 5.0l, 5.7l
- A/t fluid pressure manual valve position switch
- Abs relay, electronic pwr brake booster, brake ctrl module
- Anti-lock brakes system
- Automatic transmission (4l60-e)
- B10
- B17
- Brake fuse 18 10a
- Brk sw
- C350
- Cls 2 data
- Computer data lines system
- Cruise control system
- D3, d2
- D4, d2
- Ecm1 fuse 20a
- Ecmb fuse 20a
- Ect sig
- Electronic brake control module
- Engine coolant temperature sensor (top front of engine)
- Fluid temp sensor
- Fuel injectors, ignition coil
- G103 (4.3l: at the
- Gauges fuse 4 10a
- Generator bracket) (5.0l & 5.7l: rear of right cylinder head)
- Gnd
- Hot at all times
- Hot in off, run & start
- Hot in run
- Hot in run & start
- I/p fuse block (lower left kick panel)
- Ign
- Ignition control module, fuel injectors, ignition coil (4.3l)
- Instrument panel cluster (ipc)
- Lo ref
- Malfunction indicator lamp
- Mil ctrl
- Park/neutral position switch (left side of transmission)
- Passlock module, multi- function alarm module, interior lamp control module, drl module, headlamp module, inside rearview mirror, foglamp enable relay, drl rear park lamp relay
- Pc sol hi
- Pc sol lo
- Pnk
- Powertrain control module (on left inner fender panel)
- Press ctrl solenoid
- Prnd a
- Prnd b
- Prnd c
- Prnd p
- Prnd321
- Range b
- Range c
- Red
- Red a
- Rev, lo
- S101
- S102
- S120
- S132
- S133
- S139
- S153
- S154
- S161
- S162
- S163
- S164
- S210
- S216
- S231
- Sens gnd
- Tan
- Tcc pwm
- Tcc pwm solenoid
- Tcc sol
- Tcc solenoid
- Tcc/brake switch (on brake pedal support)
- Tft sens sig
- Throttle position sensor (left side of throttle body)
- Tp sig
- Trans fuse 20 10a
- Trans rng a
- Underhood fuse block (left side of engine compt)
- Vehicle speed sensor (right side of transmission)
- Vss hi
- Vss lo
WARNING SYSTEMS
Warning System Wiring Diagrams for Chevrolet Chevy Express G2002 2500
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List of elements for Warning System Wiring Diagrams for Chevrolet Chevy Express G2002 2500:
- (under left front seat)
- A12
- A15
- A16
- B14
- Base
- Battery input
- C200
- C210
- Convenience center (under left side of dash)
- Driver door jamb switch
- Except base
- Fasten belts out
- G201 (left kick panel)
- Gauges fuse 4 10a
- Ground
- Hazard fuse 5 20a
- Hot at all times
- Hot in park or head
- Hot in run or start
- I/p fuse block (on lower left kick panel)
- Ignition key alarm switch
- Ignition on input
- Illum mir fuse 14 10a
- Inflatable restraint sensing & diagnostic module (sdm)
- Instrument cluster system
- Instrument panel cluster (ipc)
- Key-in sw input
- Left front seat belt switch (opens with belt buckled) (in driver's stationary belt connector)
- Lights on input
- Multi-function alarm module (under left side of dash)
- Nca
- Pnk
- S201
- S202
- S206
- S209 (i/p harn, near sdm breakout)
- S216
- S222
- S223
- S500
- Safety belt input
- Safety belt lamp
- Speed input
- Tan
WIPER/WASHER
Wiper/Washer Wiring Diagram for Chevrolet Chevy Express G2002 2500
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List of elements for Wiper/Washer Wiring Diagram for Chevrolet Chevy Express G2002 2500:
- Delay
- G201 (behind left kick panel)
- Hot in accy & run
- I/p fuse block (on lower left kick panel)
- Inst wipe
- Inst wipe k
- Low
- Mist
- Mist off
- Off
- Red
- S201
- S252
- Solid state
- Wash
- Washer switch
- Windshield washer fluid pump (on left front of engine compartment, at washer reservoir)
- Windshield washer/ wiper switch
- Windshield wiper motor (on left side of firewall)
- Wiper fuse 11 25a
- Wiper switch