Diagram sections — 25 (54 total)
AIR CONDITIONING ANTI-LOCK BRAKES COMPUTER DATA LINES CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER ANTENNA POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING A/C Wiring Diagram, Cargo Van for Chevrolet Chevy Express G1996 2500 List of elements for A/C Wiring Diagram, Cargo Van for Chevrolet Chevy Express G1996 2500: 59 (below i/p, right side of a/c plenum) temperature valve actuator motor (diesel) (gasoline) (in underhood fuse/relay center) (left rear interior) (left rear of cabin, behind rear wheelhouse) 7.4l A/c A/c compressor clutch coil A/c compressor clutch relay (in underhood fuse/relay center) A/c compressor high pressure cutoff switch (rear of a/c compressor) A/c compressor low pressure cutoff switch (in refrigerant line) A/c fuse 10a Auxiliary blower motor Auxiliary blower motor high speed relay Auxiliary blower motor low speed relay Auxiliary blower motor medium speed relay Auxiliary blower motor resistor (left rear of cabin, behind rear wheelhouse) Bi-lev Blend Blower motor Blower motor resistor/relay (at hvac control panel) C2 c Convenience center Def Diode Except 7.4l Fuse 10a Fuse 20a G120 (right side of engine) G200 (left kick panel) G402 (left rear of vehicle) Gasoline diesel Heat Heater and a/c controller Hot at all times Hot in run Hot in run or start Hvac fuse 60a I/p fuse block Ign e fuse 10a Interior lights system Max Med Off Pnk Rear auxiliary hvac control module Rear auxiliary mode valve and seal assy (left rear interior) Rear auxiliary temperature Red Rr hvac fuse 30a Tan Temp Under- hood fuse/ relay center Underhood fuse/relay center Valve assy Vehicle control module (in engine compt at left fender) powertrain control module (behind center of i/p) Vent Vent mode A/C Wiring Diagram, Passenger Van for Chevrolet Chevy Express G1996 2500 List of elements for A/C Wiring Diagram, Passenger Van for Chevrolet Chevy Express G1996 2500: 63 (below i/p, right side of a/c plenum) temperature valve actuator motor (diesel) (front interior roof panel) (gasoline) (in underhood fuse/relay center) (left rear interior) (left rear of cabin, behind rear wheelhouse) 7.4l A/c A/c compressor clutch coil A/c compressor clutch relay (in underhood fuse/relay center) A/c compressor high pressure cutoff switch (rear of a/c compressor) A/c compressor low pressure cutoff switch (in refrigerant line) A/c fuse 10a Auxiliary blower motor Auxiliary blower motor high speed relay Auxiliary blower motor low speed relay Auxiliary blower motor medium speed relay Auxiliary blower motor resistor (left rear of cabin, behind rear wheelhouse) Bi-lev Blend Blower motor Blower motor resistor/relay (at hvac control panel) C2 c Convenience center Def Diode Except 7.4l Front auxiliary hvac control module Fuse 10a Fuse 20a G120 (right side of engine) G200 (left kick panel) G402 (left rear of vehicle) Gasoline diesel Heat Heater and a/c control logic module Heater and a/c controller Hot at all times Hot in run Hot in run or start Hvac fuse 60a I/p fuse block Ign e fuse 10a Interior lights system Max Med Off Pnk Rear auxiliary hvac control module Rear auxiliary mode valve and seal assy (left rear interior) Rear auxiliary temperature Red Rr ctrl Rr hvac fuse 30a Tan Temp Under- hood fuse/ relay center Underhood fuse/relay center Valve assy Vehicle control module (in engine compt at left fender) powertrain control module (behind center of i/p) Vent Vent mode Heater Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for Heater Wiring Diagram for Chevrolet Chevy Express G1996 2500: 40 (below i/p, right side of a/c plenum) temperature valve actuator motor (left rear interior) (left rear of cabin, behind rear wheelhouse) Auxiliary blower motor Auxiliary blower motor high speed relay Auxiliary blower motor low speed relay Auxiliary blower motor medium speed relay Auxiliary blower motor resistor (left rear of cabin, behind rear wheelhouse) Blend Blower motor Blower motor resistor/relay (at hvac control panel) C2 c Convenience center Def Fuse 10a Fuse 20a G120 (right side of engine) G200 (left kick panel) G402 (left rear of vehicle) Heat Heater controller Hot at all times Hot in run Hot in run or start Hvac fuse 60a I/p fuse block Interior lights system Med Off Rear auxiliary hvac control module Rear auxiliary mode valve and seat assy (left rear interior) Rear auxiliary temperature Red Rr hvac fuse 30a Tan Temp Underhood fuse/relay center Valve assy Vent Vent mode
ANTI-LOCK BRAKES
4.3L 4.3L (VIN W), Anti-lock Brake Wiring Diagrams for Chevrolet Chevy Express G1996 2500 List of elements for 4.3L (VIN W), Anti-lock Brake Wiring Diagrams for Chevrolet Chevy Express G1996 2500: 50 (except vin w) g117 (vin w) g110 (generator bracket) (left side of i/p) data link connector (right rear of engine-except vin w, generator bracket-vin w) A13 Abs ind Abs lamp control Abs maxi fuse 4 60a B17 Brake diode d101 (underhood fuse-relay center) Brake fuse 18 10a Brake ind Brake lamp control Brake pressure warning switch Brake sw input Brake sw output Ebcm ground Electronic brake control module (left front side of frame) G110 Gauges fuse 4 10a Hot at all times Hot in run or start I/p fuse block Ign Inline diode d201 Instrument cluster Left front wheel speed sensor Lft frt sensor (+) Lft frt sensor (-) Park brake warning switch Pnk Pump motor ground Pump motor power Red Right front wheel speed sensor Rt frt sensor (+) Rt frt sensor (-) Serial data line Serial data signal Tan Tcc/ stoplamp switch (above brake pedal) Underhood fuse-relay center Vehicle control module (left side of engine compt) Vehicle speed sensor (left side of transmission) Vehicle speed sig Vss (+) Vss (-) Vss sig W/drl W/o drl
5.0L 5.0L (VIN M), Anti-lock Brake Wiring Diagrams for Chevrolet Chevy Express G1996 2500 List of elements for 5.0L (VIN M), Anti-lock Brake Wiring Diagrams for Chevrolet Chevy Express G1996 2500: 50 (except vin w) g117 (vin w) g110 (generator bracket) (left side of i/p) data link connector (right rear of engine-except vin w, generator bracket-vin w) A13 Abs ind Abs lamp control Abs maxi fuse 4 60a B17 Brake diode d101 (underhood fuse-relay center) Brake fuse 18 10a Brake ind Brake lamp control Brake pressure warning switch Brake sw input Brake sw output Ebcm ground Electronic brake control module (left front side of frame) G110 Gauges fuse 4 10a Hot at all times Hot in run or start I/p fuse block Ign Inline diode d201 Instrument cluster Left front wheel speed sensor Lft frt sensor (+) Lft frt sensor (-) Park brake warning switch Pnk Pump motor ground Pump motor power Red Right front wheel speed sensor Rt frt sensor (+) Rt frt sensor (-) Serial data line Serial data signal Tan Tcc/ stoplamp switch (above brake pedal) Underhood fuse-relay center Vehicle control module (left side of engine compt) Vehicle speed sensor (left side of transmission) Vehicle speed sig Vss (+) Vss (-) Vss sig W/drl W/o drl
COMPUTER DATA LINES Computer Data Lines for Chevrolet Chevy Express G1996 2500 List of elements for Computer Data Lines for Chevrolet Chevy Express G1996 2500: 20 C210 Convenience center (behind left side of i/p) Data clss 2 Data link connector (below left side of i/p) Diesel Dlc control Electronic brake control module (left frame rail near center of vehicle) G131 (near thermostat housing) G200 (left kick panel) Gasoline Hot at all times I/p fuse block Inflatable restraint control module (under left front seat) Powertrain control module (behind center of i/p) Prog enable Pwr aux fuse 7 25a Remote control door lock receiver (upper right kick panel) Tan Uart data Vehicle control module (left front fender apron)
CRUISE CONTROL Cruise Control Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for Cruise Control Wiring Diagram for Chevrolet Chevy Express G1996 2500: 30 4000 pulses/mile A12 A13 A14 A15 Brake fuse 18 10a Cruise control module (front of engine compt near left fender) Cruise fuse 6 10a Cruise on input Cruise status Disengage input Fuse block G120 (right side of engine) Ground Hot at all times Hot in run Ignition Multifunction lever Off R/a Resume/accel input S/c Set/coast input Stop fuse 1 25a Tcc/stoplamp brake switch (below center of i/p) Vehicle control module (vcm) (in engine compt, on left fender) Vehicle speed input Vehicle speed sensor (vss) (left side of transmission) Vss return Vss signal
DEFOGGERS Heated Mirrors Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for Heated Mirrors Wiring Diagram for Chevrolet Chevy Express G1996 2500: 16 (left kick panel) g200 1995 vftc c C210 Convenience center (under left side of i/p) G203 (right kick panel) Heated mirror switch Heater & a/c control Hot at all times Hot in run Htr mir fuse 2 20a Htr-a/c fuse 12 20a I/p fuse block Left power outside rear view mirror Right power outside rear view mirror Solid state timer W/ uplifter provisions only
ENGINE PERFORMANCE
4.3L 4.3L (VIN W), Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Chevy Express G1996 2500 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Chevy Express G1996 2500: 51 (not used) A/c coil ground A/c compressor clutch relay Camshaft position sensor (part of distributor, top rear of engine) Coil Coil a high Coil a low Coil b high Coil b low Crankshaft position sensor (lower front of engine, near crankshaft) Egr sol posit signal Egr solenoid output Evaporative canister purge solenoid valve (right side of engine) G119 (engine harness at generator bracket; right front of engine) Heated oxygen sensor, left pre-converter (in exhaust pipe, in front of catalytic converter) Heated oxygen sensor, right post-converter (in exhaust pipe, in back of catalytic converter) Heated oxygen sensor, right pre-converter (in exhaust pipe, in front of catalytic converter) Idle air control valve motor (top right side of engine) If equipped Ignition Inj no.1 ctrl Inj no.2 ctrl Inj no.3 ctrl Inj no.4 ctrl Inj no.5 ctrl Inj no.6 ctrl Knock sens signal Knock sensor (top rear of engine) Maf signal Map sens signal Nca Pnk Pnk c Return Sensor signal Shift sol. a output Shift sol. b output Shift sol. output (3/2) Signal Solenoid output Solid state Tan Tcc pwm sol ctrl Tcc solenoid output Trans temp sens signal Underhood fuse-relay center Vehicle control module (vcm) (engine compartment, left fender) Vss signal output W/gvw over lbs. W/gvw under 8500 lbs. only W/gvw under lbs. 4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Chevy Express G1996 2500 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Chevy Express G1996 2500: 36 (w/4l60-e u trans.) (w/4l80-e s trans.) Automatic transmission (under center of vehicle, attached to rear of engine) Eng-1 mini fuse 20a Exhaust gas recirculation valve solenoid (right side of engine) Force motor feed Force motor return Fuel inj. no.1 Fuel inj. no.2 Fuel inj. no.3 Fuel inj. no.4 Fuel inj. no.5 Fuel inj. no.6 H7 ecm-1 mini fuse 20a Heated oxygen sensor left post converter (gvw under 8500 lbs.) or heated oxygen sensor post converter (gvw over 8500 lbs.) (in exhaust pipe, in back of catalytic converter) Hot in run or start Nca Note: fuel injectors are located in central sfi, mounted on lower portion of intake manifold Pnk Pnk pnk pnk Press. switch signal bit 1 Press. switch signal bit 2 Press. switch signal bit 3 Red Shift sol. output 2/3 Shift solenoid "a" Shift solenoid "b" Tan Tcc sol. Tcc sol. output Temp. sensor signal Under hood fuse-relay center W/4l60e 4-speed trans. only W/gvw over lbs. W/gvw under 8500 lbs. W/gvw under lbs. 4.3L (VIN W), Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Chevy Express G1996 2500 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Chevy Express G1996 2500: 36 (engine harness at generator bracket; right front of engine) g119 (engine harness, near thermostat housing) g125 A/c compressor high pressure cutoff switch (on rear portion of a/c compressor) B14 B17 Ecm-b mini fuse 20a Engine coolant temperature gauge sensor (left side of engine) Evap canister purge vacuum diagnostic switch (right side of engine) F11 Fuel pump & sender (pump shown) (in fuel tank under rear of vehicle) Fuel pump prime connector Fuel pump relay Fuel pump switch & engine oil pressure gauge sensor G119 (engine harness at generator bracket, right front of engine) G12 Gauge input oil pressure Gauges fuse 4 10a Hot at all times Hot in run or start Hot in run, start & off I/p fuse block If equipped Input odometer speedometer/ Instrument cluster Intake air temperature sensor (part of air intake duct, front of engine compartment) Malfunction indicator lamp (mil) "service engine soon" Manifold absolute pressure sensor (top right side of engine) Mass air flow sensor (part of air intake duct, top front of engine) Pnk Red Tan Tan b Throttle position sensor (top left side of engine) Trans fuse 20 10a Underhood fuse-relay center Vehicle speed sensor (left side of transmission) 4.3L (VIN W), Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Chevy Express G1996 2500 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Chevy Express G1996 2500: 56 (engine harness at generator bracket; right front of engine) g119 (not used) 5 volt reference 5 volts reference A/c signal A/t input speed sensor (w/4l80-e transmission only) (left side of transmission) Battery Brake switch input Cruise control module (front of engine compartment near left fender) Cruise ctrl sig-eng Cylinder no.1 Cylinder no.2 Cylinder no.3 Cylinder no.4 Cylinder no.5 Cylinder no.6 Data link connector (under left side of i/p) Distributor Electronic brake control module (ebcm) (left frame rail near center of vehicle) Est control signal Fuel pump rly ctrl Ground Gvw over 8500 lbs. Gvw under 8500 lbs High voltage coil wire Hot in run I/p fuse block Ignition Ignition coil (top right side of engine) Ignition coil driver (top right side of engine) M4 brake fuse 18 10a n3 Mal func ind out Pnk Pnk a Radio Red Return Sensor ground Serial data Service circuit power Signal Solid state Spark plugs Speed sensor input Stoplamp switch input Tcc signal Tcc/stoplamp switch (open w/brake pedal depressed) (below center of i/p, near brake pedal lever) Trans press sig-bit 1 Trans press sig-bit 2 Trans press sig-bit 3 Trans. force mtr feed Trans. force mtr rtn Vcm signal Vehicle control module (engine compartment, left fender) Vss signal Vss signal output
5.0L 5.0L (VIN M), Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Chevy Express G1996 2500 List of elements for 5.0L (VIN M), Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Chevy Express G1996 2500: 49 (lower front of engine, near crankshaft) crankshaft position sensor (right side of engine) evap canister purge solenoid valve (top left side of engine) idle air control valve motor A/c compressor clutch relay Camshaft position sensor (part of distributor, top rear of engine) Coil Coil "a" hi Coil "a" lo Coil "b" hi Coil "b" lo Egr sol output Fuel inj out no.1 Fuel inj out no.2 Fuel inj out no.3 Fuel inj out no.4 Fuel inj out no.5 Fuel inj out no.6 Fuel inj out no.7 Fuel inj out no.8 G117 (right rear of engine) Ground Heated oxygen sensor, left post-converter (in exhaust pipe in back of catalytic converter) Heated oxygen sensor, left pre-converter (in exhaust pipe in front of catalytic converter) Heated oxygen sensor, right post-converter (in exhaust pipe in back of catalytic converter) If equipped Ignition Knock sens signal Knock sensor (top rear of engine) Maf signal Map sens signal Nca Pnk Pnk c Position signal Return Sensor signal Shift sol a output Shift sol b output Shift solenoid output Signal Solenoid output Solid state Tan Tcc sol output Temp sens signal Underhood fuse-relay center Vehicle control module (engine compartment, left fender) Vehicle speed sensor (left side of transmission) Vss signal 5.0L (VIN M), Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Chevy Express G1996 2500 List of elements for 5.0L (VIN M), Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Chevy Express G1996 2500: 33 (w/4l60-e trans.) (w/4l80-e trans.) Automatic transmission Ecm-1 mini fuse 20a Exhaust gas recirculation valve solenoid (top front of engine) Force motor feed Force motor return Fuel inj. no.1 Fuel inj. no.2 Fuel inj. no.3 Fuel inj. no.4 Fuel inj. no.5 Fuel inj. no.6 Fuel inj. no.7 Fuel inj. no.8 Heated oxygen sensor, right pre-converter (in exhaust pipe in front of catalytic converter) Hot in run or start Ignition K7 eng-1 mini fuse 20a l8 Nca Pnk Pnk tan Pss signal bit 1 Pss signal bit 2 Pss signal bit 3 Red Shift solenoid "a" Shift solenoid "b" Tan Tcc solenoid output Temp sensor signal Under hood fuse-relay center W/4l60e 4-speed trans. only 5.0L (VIN M), Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Chevy Express G1996 2500 List of elements for 5.0L (VIN M), Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Chevy Express G1996 2500: 34 (right rear of engine) g117 A/c compressor high pressure cutoff switch (on rear portion of a/c compressor) B14 B17 Ecm-b mini fuse 20a Engine coolant temperature gauge sensor (top front of engine) Evap canister purge vacuum diagnostic switch (right side of engine) F11 Fuel pump & sender (pump shown) (in fuel tank under rear of vehicle) Fuel pump prime connector Fuel pump relay Fuel pump switch & engine oil pressure gauge sensor G12 Gauges fuse 4 10a Hot at all times Hot in run or start Hot in run, start & off I/p fuse block If equipped Instrument cluster Intake air temperature sensor (part of air intake duct, front of engine compartment) Malfunction indicator lamp (mil) "service engine soon" Manifold absolute pressure sensor (top right side of engine) Mass air flow sensor (part of air intake duct, top front of engine) Oil pressure gauge input Pnk Pnk tan Red Speedometer/ odometer input Tan Tan b Throttle position sensor (top left side of engine) Trans fuse 20 10a Underhood fuse-relay center 5.0L (VIN M), Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Chevy Express G1996 2500 List of elements for 5.0L (VIN M), Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Chevy Express G1996 2500: 56 (right rear of engine) g117 5 volt reference 5 volts reference A/c signal A/t input speed sensor (w/4l80-e transmission only) (left side of transmission) B (not used) Battery Brake switch input Cruise control module (front of engine compartment near left fender) Cruise ctrl sig eng Cyl. no.1 Cyl. no.2 Cyl. no.3 Cyl. no.4 Cyl. no.5 Cyl. no.6 Cyl. no.7 Cyl. no.8 Data link connector (under left side of i/p) Distributor Elec spark timing Electronic brake control module (ebcm) (left frame rail near center of vehicle) Force motor feed Force motor return Fuel pump rly feed Ground Gvw over 8500 lbs. Gvw under 8500 lbs High voltage coil wire Hot in run I/p fuse block Ignition Ignition coil (top right side of engine) Ignition coil driver (top right side of engine) M4 brake fuse 18 10a n3 Mal func lp output Pnk Pnk a Pressure sw signal Radio Red Return Sensor ground Serial data Service circuit power Signal Solid state Spark plugs Speed sensor input Stoplamp switch input Tcc signal Tcc/stoplamp switch (open w/brake pedal depressed) (below center of i/p, near brake pedal lever) Vcm signal Vehicle control module (engine compartment, left fender) Vss signal Vss signal output
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for Backup Lamps Wiring Diagram for Chevrolet Chevy Express G1996 2500: 13 C202 Convenience center (under left side of i/p) D c406 G402 (left rear of interior, behind rear wheel house) G403 (right rear of interior, behind rear wheel house) Hot in run or start I/p fuse block Left backup lamp Park/neutral position switch (left side of trans.) Pnk Right backup lamp Turn b/u fuse 16 20a W/ optional trailer wiring package (right rear of interior) Exterior Lamps Wiring Diagram, with Composite Headlamps for Chevrolet Chevy Express G1996 2500 List of elements for Exterior Lamps Wiring Diagram, with Composite Headlamps for Chevrolet Chevy Express G1996 2500: 55 (not used) (right rear of interior) w/ optional trailer wiring package) A10 B c406 B9 turn pwr b8 haz pwr b7 flshr out c8 gnd C202 Center high mounted stop lamp (chmsl) Conven- ience center (under left side of i/p) Convenience center (under left side of i/p) Cruise control system E1 c202 E6 c202 F c406 G100 (left front of engine compt.) G1o5 (right rear of engine compt.) G200 (behind left kick panel) G402 (left rear interior, behind rear wheel house) G403 (right rear interior, behind rear wheel house) Haz sw Hazard Hazard fuse 20a Head Headlamp switch Hot at all times Hot in run or start I/p fuse block Instru- ment cluster Interior lights system Left Left front inner park & turn signal lamp Left front outer park & turn signal lamp Left rear park & stop tail lamp Left rear park & turn signal lamp Left side marker lamp Left turn ind. License lamp Normal Off Park Park lps fuse 9 20a Pnk Right Right front inner park & turn signal lamp Right front outer park & turn signal lamp Right rear park & stop tail lamp Right rear park & turn signal lamp Right side marker lamp Right turn ind. Stop fuse 25a Tcc/ stop lamp switch (top of brake pedal) Tn sw Turn- b/u fuse 16 20a Turn/ hazard switch Turn/hazard lamp flasher (i/p relay center: below center of i/p) W/ optional trailer wiring package (right rear of interior) Exterior Lamps Wiring Diagram, with Sealed Beam Lamps for Chevrolet Chevy Express G1996 2500 List of elements for Exterior Lamps Wiring Diagram, with Sealed Beam Lamps for Chevrolet Chevy Express G1996 2500: 55 (not used) (right rear of interior) w/ optional trailer wiring package 30w, 6 ohms A10 B c406 B9 turn pwr b8 haz pwr b7 flshr out c8 gnd C202 Center high mounted stop lamp (chmsl) Conven- ience center (under left side of i/p) Convenience center (under left side of i/p) Cruise control system E1 c202 E6 c202 F c406 G100 (left front of engine compt.) G1o5 (right rear of engine compt.) G200 (behind left kick panel) G402 (left rear interior, behind rear wheel house) G403 (right rear interior, behind rear wheel house) Haz sw Hazard Hazard fuse 20a Head Headlamp switch Hot at all times Hot in run or start I/p fuse block In-line resistor r200 (forward lamp harness, near left headlamp) Instru- ment cluster Interior lights system Left Left front park & turn signal lamp Left rear park & stop tail lamp Left rear park & turn signal lamp Left side marker lamp Left turn ind. License lamp Normal Off Park Park lps fuse 9 20a Pnk Right Right front park & turn signal lamp Right rear park & stop tail lamp Right rear park & turn signal lamp Right side marker lamp Right turn ind. Stop fuse 25a Tcc/ stop lamp switch (top of brake pedal) Tn sw Turn- b/u fuse 16 20a Turn/ hazard switch Turn/hazard lamp flasher (i/p relay center: below center of i/p) W/ optional trailer wiring package (right rear of interior)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Chevy Express G1996 2500 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Chevy Express G1996 2500: 69 (middle of left frame rail) (not used) e13 (right frame rail, near front of engine) (right front (right lower front of engine) (upfitter provision) (w/ upfitter provisions) A/t shift lock solenoid Ashtray lamp Auxiliary battery (6.5l vin f) Auxiliary engine cooling fan motor (7.4l vin j) Auxiliary power outlet Battery C210 Cigarette lighter Convenience center Convenience center (left side of i/p) Data link connector Daytime running lamp control module Daytime running lamps relay From left front power door lock switch From right front power side window switch G100 (left front of engine compt) G101 G105 (right rear of engine compt) G119 G200 (behind left kick panel) G203 (w/ upfitter provisions) (right kick panel) Headlamp switch Heater and a/c controller I/p compartment lamp I/p relay center Ignition switch Illuminated entry module Instrument cluster Left front park and turn signal lamp (inner) (w/ composite headlamps) Left front park and turn signal lamp (outer) (w/ composite headlamps) Left front park and turn signal lamp (w/ sealed beam headlamps) Left front side marker lamp Left headlamp (w/ sealed beam headlamps) Left high beam headlamp (w/ composite headlamps) Left low beam headlamp (w/ composite headlamps) Left power seat switch Left sun shade mirror lamp Low engine coolant level indicator module (6.5l vin f) Low engine coolant level indicator sensor (6.5l vin f & 7.4l vin j) Multi- function alarm module Nca Of engine compt) Power antenna assembly Power door lock control module Power door lock relay Radio Remote control door lock receiver Right front park and turn signal lamp (inner) (w/ composite headlamps) Right front park and turn signal lamp (outer) (w/ composite headlamps) Right front park and turn signal lamp (w/ sealed beam headlamps) Right front side marker lamp Right headlamp (w/ sealed beam headlamps) Right high beam headlamp (w/ composite headlamps) Right low beam headlamp (w/ composite headlamps) Seat belt switch Side door jamb switch (w/ upfitter provisions) Steering column ground Temperature valve actuator motor Upfitter provisions relay W/ upfitter provisions Windshield washer pump motor Windshield wiper motor Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Chevy Express G1996 2500 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Chevy Express G1996 2500: 51 (35 gal) (55 gal) (right rear of engine) (right front of engine) 4.3l 4.3l above 8500 lbs. gvw 5.0l, 5.7l, 7.4l A/c compressor clutch coil All other gasoline engines B13 Blower motor Brake pressure differential switch Cruise control module Data link connector Diode Electronic brake control module Evap canister purge vacuum diagnostic switch Fuel pump and sender Fuel pump relay G117 (5.0l, 5.7l, 7.4l) g119 (4.3l) G125 (front of engine) G125 (front of engine, near thermostat housing) G200 (left kick panel) Gasoline engines Heated oxygen sensor, post- convertetr Horns Ignition coil driver Inflatable restraint control module Inflatable restraint front end discriminating sensor Instrument cluster Left front door jamb switch Left front power door lock switch Left front power side window switch Left heated oxygen sensor, post- convertetr Left heated oxygen sensor, pre- convertetr Left power outside rear view mirror Mass air flow sensor Nca Park/ neutral position switch Power outside rear view mirror remote control switch Right front door jamb switch Right front power door lock switch Right front power side window switch Right heated oxygen sensor, post- convertetr Right heated oxygen sensor, pre- convertetr Right power outside rear view mirror Secondary air injection pump motor (7.4l only) Starter relay To g203 Underhood fuse-relay center Underhood lamp Underhood reel lamp Vehicle control module Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Chevy Express G1996 2500 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Chevy Express G1996 2500: 51 (35 gal) (55 gal) (left front of engine) A/c compressor clutch coil Auxiliary blower motor Auxiliary blower motor switch B13 Blower motor Brake pressure differential switch Center high mounted stop lamp Data link connector Diesel engines Diode Electronic brake control module Front auxiliary hvac control module Fuel heater Fuel lift pump Fuel pump relay Fuel tank level sender G110 G110 (left front of engine) G125 (front of engine, near thermostat housing) G402 (left rear interior, behind rear wheel house) G403 (right rear interior, behind rear wheel house) Glow plug relay Heater and a/c control logic module Horns Instrument cluster Left back-up lamp Left rear park/ stop lamp Left rear park/ turn lamp License lamp Nca Park/ neutral position switch Passenger vans only Powertrain control module Rear auxiliary hvac control module Rear auxiliary mode valve and seal assembly Rear auxiliary temperature valve assembly Right back-up lamp Right power seat switch Right rear door jamb switch Right rear park/ stop lamp Right rear park/ turn lamp Side door jamb switch Starter relay Underhood fuse-relay center Underhood lamp Underhood reel lamp Vehicle speed sensor buffer W/ auxiliary heat & a/c Water-in- fuel indicator
HEADLIGHTS Headlight Wiring Diagram, with DRL & with Composite Headlamps for Chevrolet Chevy Express G1996 2500 List of elements for Headlight Wiring Diagram, with DRL & with Composite Headlamps for Chevrolet Chevy Express G1996 2500: 52 17a 1996 vftc c A17 Acc B17 Bulb test C200 Daytime running lamps (drl) module (under left side of i/p, taped to i/p harness) Daytime running lamps (drl) relay (under left side of i/p, on convenience center) Diode array Drl fuse 15 10a Drl indicator Drl relay ctrl E11 E12 c200 E13 F f G100 (left engine compartment, near fender well) G101 (right engine compt., near fender well) G200 (i/p harness behind left kick panel) Gauges fuse 4 10a Ground Head Head- lamp dimmer switch Headlamp switch Hi beam indicator Hi bm feed Hi bm indicator Hot at all times Hot in run or start I/p fuse block Ignition Ignition switch Inline diode (i/p harness under left side of i/p) Instrument cluster Instrument cluster system Lamp feed Left hi beam head- lamp Left lo beam headlamp Lighting maxi fuse 40a Lock Off Park Park brake warning switch (on park brake) Pnk Red Right hi beam head- lamp Right lo beam head- lamp Run Start Tan Underhood fuse-relay center (engine compartment, left fender) Headlight Wiring Diagram, with DRL & with Sealed Beam Lamps for Chevrolet Chevy Express G1996 2500 List of elements for Headlight Wiring Diagram, with DRL & with Sealed Beam Lamps for Chevrolet Chevy Express G1996 2500: 49 17a A17 Acc B17 Bulb test C200 Daytime running lamps (drl) module (under left side of i/p, taped to i/p harness) Daytime running lamps (drl) relay (under left side of i/p, on convenience center) Diode array Drl fuse 15 10a Drl indicator Drl relay ctrl E11 E12 c200 E13 F f G101 (right engine compartment, near fender well) G200 (i/p harness behind left kick panel) Gauges fuse 4 10a Ground Head Head- lamp dimmer switch Headlamp switch Hi beam indicator Hi bm feed Hi bm indicator Hot at all times Hot in run or start I/p fuse block Ignition Ignition switch Inline diode (i/p harness under left side of i/p) Instrument cluster Instrument cluster system Lamp feed Left head- lamp Lighting maxi fuse 40a Lock Off Park Park brake warning switch (on park brake) Pnk Red Right head- lamp Run Start Tan Tan tan Underhood fuse-relay center (engine compartment, left fender) Headlight Wiring Diagram, without DRL & with Composite Headlamps for Chevrolet Chevy Express G1996 2500 List of elements for Headlight Wiring Diagram, without DRL & with Composite Headlamps for Chevrolet Chevy Express G1996 2500: 21 C 1995 vftc C200 E11 E12 E13 G100 (left engine compt., near fender well) G101 (right engine compt., near fender well) G200 (i/p harness behind left kick panel) Head Headlamp dimmer switch Headlamp switch Hi beam indi- cator Hot at all times Instru- ment cluster Left hi beam head- lamp Left lo beam head- lamp Off Park Right hi beam head- lamp Right lo beam head- lamp Tan Headlight Wiring Diagram, without DRL & with Sealed Beam Lamps for Chevrolet Chevy Express G1996 2500 List of elements for Headlight Wiring Diagram, without DRL & with Sealed Beam Lamps for Chevrolet Chevy Express G1996 2500: 19 C 1995 vftc C200 E11 E12 E13 G101 (right engine compt., near fender well) G200 (i/p harness behind left kick panel) Head Headlamp dimmer switch Headlamp switch Hi beam indicator Hot at all times Instrument cluster Left hi headlamp Off Park Right hi headlamp Tan Tan c
HORN Horn Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for Horn Wiring Diagram for Chevrolet Chevy Express G1996 2500: 11 (5.0l, 5.7l, 7.4l) g117 (4.3l) g119 (6.5l) g110 (right rear of engine) (right front of engine) (left front of engine) Horn brush Horn fuse 20a Horn relay Horn switch Horns (left front of vehicle) Hot at all times Nca Turn signal switch Underhood fuse/relay center
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Chevrolet Chevy Express G1996 2500 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Chevrolet Chevy Express G1996 2500: 94 (7 bulbs) (l29, l30, l31) (left kick panel) g200 (not used) (rear of rt cylinder head) A10 A11 A12 A13 A14 A15 A16 A17 Acc Air bag ind Anti-lock brakes system Anti-lock brakes warning ind B10 B11 B12 B13 B14 B15 B16 B17 Bat ind Brake ind in Brake pressure differential switch (part of electronic brake control module) Brake warning ind Check gauges ind Check gauges lamp driver Daytime running lamps control module (near steering column) Diesel only Diode d201 Diode-i d101 Drl lamp ind (w/ drl) Electronic brake control module (left frame rail, near center of vehicle) Eng-i mini fuse 20a Engine controls system Engine coolant temperature gauge sender (left side of engine block) Exterior lights system Fuel gauge G101 (near right fender well) G110 (l65) (on a/c compressor bracket) G117 G117 (l29, l30, l31) (rear of right cylinder head) G119 (l35) (on generator bracket) G125 (near thermostat housing) G200 (left kick panel) Gauges fuse 4 10a Gnd Headlights system High beam ind Hot in run or start I/p fuse block (behind left side of i/p) Ign feed Ignition switch Illumin- ation lamps Ind ctrl Instrument cluster Interior lights system Left turn ind Lock Low coolant ind (diesel) Low engine coolant level indicator module (diesel only) (left side of i/p) Low engine coolant level indicator sensor (diesel only) (under coolant recovery tank) Nca Off Oil press gauge Park brake in Park/neutral position & backup lamp switch (left side of transmission) Pnk Prndl circuit board Right turn ind Run Safety belt ind Service engine soon ind Service throttle soon ind (diesel) Solid state Speedometer/ odometer Start Starting/charging system Tan Tan/ Temp gauge Underhood fuse-relay center (left fender) Volt- meter W/ drl W/ drl only W/o drl Wait ind (diesel) Warning system engine controls system Water in fuel ind (diesel) Water-in-fuel sensor (diesel only) (rear of intake manifold) Instrument Cluster Wiring Diagram (2 of 2) for Chevrolet Chevy Express G1996 2500 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Chevrolet Chevy Express G1996 2500: 45 (on generator bracket) (l35) g119 (rear of right cylinder head) (l29, l30, l31) g117 1.5k Anti-lock brakes system Batt Diesel Engine oil pressure indicator sender (top rear of engine) Fuel pump & sender (in fuel tank) Fuel pump switch & engine oil pressure gauge sensor (top rear of engine) Fuel tank level sender) (in fuel tank) G110 (l65) (on a/c compressor bracket) G110 (on a/c compressor bracket) G116 (under brake master cylinder) Gasoline Gnd Hot in acc or run Hot in run I/p fuse block (behind left side of i/p) Ign Inline diode d202 (near park brake switch) Low flow Low pres. Nca P/b booster fluid flow alarm P/b booster fluid flow indicator/ alarm delay module P/b booster fluid flow switch P/b pressure warning switch Park brake warning switch Pnk Powertrain control module (behind center of i/p) Radio Radio-i fuse 17 10a Resistor r208 (w/ uj1) (near i/p fuse block) Sw sense Tan Trans fuse 24 10a Twisted pair Vehicle control module (on left radiator support) Vehicle speed sensor (left rear of transmission) Vehicle speed sensor buffer (diesel only) (behind left side of i/p) Vss out Vss rtn Vss sig W/ p/b booster warning-uj1 W/ uj1
INTERIOR LIGHTS Interior Light Wiring Diagram (1 of 3) for Chevrolet Chevy Express G1996 2500 List of elements for Interior Light Wiring Diagram (1 of 3) for Chevrolet Chevy Express G1996 2500: 58 (base only) (left kick Ash- tray lamp B5 (not used) Base Battery Bright adjust C202 C210 C210 c1 C210 c6 Center dome and reading lamp (reading lamps w/ tr9 option) Convenience center (left side of i/p) Csty fuse 3 20a Dome lamp Dome lamp defeat switch Dome switch Front dome and reading lamp (reading lamps w/ tr9 option) G200 G200 (left kick panel) G203 (right kick panel) G403 (right rear wheel well) Gauges fuse 4 10a Ground Headlamp switch Hot at all times Hot in run or start I/p compart- ment lamp I/p fuse block Ignition Illuminated entry module (right kick panel) Jamb sw Lamp Left front door jamb switch Left power door lock switch Left power side window switch Left stepwell lamp (w/ tr9 option) Left sunshade mirror lamp Non base only Non base upfitter prov. Panel) Parade mode switch Park lps fuse 9 15a Park switch Pnk Power mirrors system Pwr accy circuit breaker 25a Reading lamps Rear dome and reading lamp (reading lamps w/ tr9 option) Rear door jamb switch Rear stepwell lamp (w/ tr9 option) Right front door jamb switch Right power door lock switch Right power side window switch Right stepwell lamp (w/ tr9 option) Right sunshade mirror lamp Side door jamb switch W/o keyless entry Interior Light Wiring Diagram (2 of 3) for Chevrolet Chevy Express G1996 2500 List of elements for Interior Light Wiring Diagram (2 of 3) for Chevrolet Chevy Express G1996 2500: 55 (base only) Ash- tray lamp Base Battery Bright adjust C202 C210 C210 b6 C210 c1 C210 c6 Center dome and reading lamp (reading lamps w/ tr9 option) Convenience center (left side of i/p) Csty fuse 3 20a Dome lamp Dome lamp defeat switch Dome switch Door locks system E10 Front dome and reading lamp (reading lamps w/ tr9 option) G200 (left kick panel) G203 (right kick panel) G403 (right rear wheel well) Gauges fuse 4 10a Ground Headlamp switch Hot at all times Hot in run or start I/p compart- ment lamp I/p fuse block Ignition Jamb sw Lamp Left front door jamb switch Left power door lock switch Left power side window switch Left stepwell lamp (w/ tr9 option) Left sunshade mirror lamp Non base only Parade mode switch Park lps fuse 9 15a Park switch Pnk Power mirrors system Pwr accy circuit breaker 25a Reading lamps Rear dome and reading lamp (reading lamps w/ tr9 option) Rear door jamb switch Remote control door lock receiver (right kick panel) Right front door jamb switch Right power door lock switch Right power side window switch Right sunshade mirror lamp Side door jamb switch Upfitter prov. W/ keyless entry Interior Light Wiring Diagram (3 of 3) for Chevrolet Chevy Express G1996 2500 List of elements for Interior Light Wiring Diagram (3 of 3) for Chevrolet Chevy Express G1996 2500: 34 1995 vftc c Auxiliary blower motor switch Auxiliary heat Auxiliary heat w/ a/c B12 B13 C202 Cargo Convenience center (left side of i/p) Dim Front auxiliary hvac control module G125 (front of engine) G125 (near thermostat housing) G200 (left kick G402 (left rear wheel well) Heater and a/c controller Horn mini fuse 20a Hot at all times I/p fuse block Illum fuse 14 10a Instrument cluster Multi function alarm module Non base tr9 lamp group Odometer Panel) Passenger Prndl Radio Radio b fuse 19 10a Rear auxiliary hvac control module Remote cd player Under- hood lamp Under- hood reel lamp Underhood fuse-relay center
POWER ANTENNA Power Antenna Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for Power Antenna Wiring Diagram for Chevrolet Chevy Express G1996 2500: 9 1995 vftc c Fuse 10a G200 (behind left kick panel) Hot at all times I/p fuse block Pnk Power antenna assembly Radio Solid state
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Chevrolet Chevy Express G1996 2500 List of elements for Power Distribution Wiring Diagram (1 of 4) for Chevrolet Chevy Express G1996 2500: 76 A13 Abs maxi- fuse 60a Acc Aux-a maxi- fuse 30a Aux-b maxi- fuse 30a Auxiliary battery Auxiliary blower motor high speed relay Auxiliary blower motor low speed relay Auxiliary blower motor medium speed relay Battery Battery junction block Blower motor Brake fuse 18 10a C202 C206 C210 C302 Convenience center Cruise control module (gasoline) Cruise control switch Cruise fuse 6 10a Diesel Electronic brake control module From fuse above Front auxiliary hvac control module Fusible link (10 ga-rust) G200 (left kick panel) Gasoline Generator Glow plug controller Heater and a/c control logic module Heater and a/c controller Htr a/c fuse 12 20a Hvac maxi- fuse 60a I/p fuse block Ign-a maxi- fuse 40a Ign-b maxi- fuse 50a Ignition switch Inline fuse 30a Left power side window switch Lock Nca Off P/b booster fluid flow alarm Park/ neutral position switch Pnk Pwr wdo cb b 25a Radio Radio 1 fuse 17 10a Rear auxiliary hvac control module Rear auxiliary mode valve and seal assembly Rear auxiliary temperature valve assembly Red Resistor Right power side window switch Rr blower mini fuse 30a Rr hvac fuse 24 10a Run Start Starter relay Starter solenoid Tcc/ stoplamp switch Temperature valve actuator motor To i/p fuse block To underhood fuse-relay center To upfitter provision relay below Trailer wiring provision Underhood fuse-relay center Upfitter provision connector Upfitter provision relay (behind left b pillar) Vehicle control module (gasoline) W/ uj1 brake warning W/ upfitter provisions Windshield washer/ wiper switch Windshield wiper motor Wiper fuse 12 25a Power Distribution Wiring Diagram (2 of 4) for Chevrolet Chevy Express G1996 2500 List of elements for Power Distribution Wiring Diagram (2 of 4) for Chevrolet Chevy Express G1996 2500: 66 A/c comp mini fuse 20a A/c compressor clutch relay Auxiliary power outlet Bat/haz maxi- fuse 50a C13 C210 Center dome lamp Cig ltr fuse 13 20a Cigarette lighter Convenience center Ctsy fuse 3 20a D13 Data link connector Daytime running lamp relay Drl fuse 15 10a Ecm-b mini fuse 20a From underhood b fuse-relay center From underhood fuse-relay center Front dome lamp Fuel pump relay Fuel pump switch and engine oil pressure gauge sensor G200 (left kick panel) Hazard fuse 5 20a Hazard warning switch Headlamp switch Heater and a/c controller Horn mini fuse 20a Horn relay Htd mir fuse 2 20a I/p compartment lamp I/p fuse block Illuminated entry module Left front power door lock switch Left power seat switch Left stepwell lamp Left sun shade mirror lamp Lighting maxi- fuse 40a Multi- function alarm module Nca Park lps fuse 9 20a Power antenna assembly Power door lock control module Power door lock relay Power outside rear view mirror remote control switch Powertrain control module (diesel) Pwr accy cb a 25a Pwr aux fuse 7 10a Radio Radio-b fuse 19 10a Rear dome lamp Rear stepwell lamp Red Remote control door lock receiver Right front power door lock switch Right power seat switch Right rear power door lock switch Right stepwell lamp Right sun shade mirror lamp Stop fuse 1 25a Tcc/stop lamp switch Underhood fuse-relay center Underhood lamp Underhood reel lamp Vehicle control module (gasoline) W/ upfitter provisions W/o upfitter provisions Power Distribution Wiring Diagram (3 of 4) for Chevrolet Chevy Express G1996 2500 List of elements for Power Distribution Wiring Diagram (3 of 4) for Chevrolet Chevy Express G1996 2500: 43 4.3l 5.0l, 5.7l 6.5l 7.4l A/c compressor clutch relay C11 C12 Camshaft position sensor Crankshaft position sensor Diesel fuel mini fuse 20a Diesel only Ecm-i mini fuse 20a Eng-i mini fuse 20a Evap canister purge solenoid valve Exhaust gas recirculation valve solenoid From ignition switch Fuel heater Fuel injectors 1, 3 & 5 Fuel injectors 1, 3, 5 & 7 Fuel injectors 1, 3, 5, & 7 Fuel injectors 2, 4 & 6 Fuel injectors 2, 4, 6 & 8 Fuel injectors 2, 4, 6, & 8 Fuel shut off valve solenoid Fuel solenoid driver Gasoline only Glow plug relay Ign-e mini fuse 20a Ignition coil Ignition coil driver Left heated oxygen sensor, post- converter Left heated oxygen sensor, pre- converter Mass air flow sensor Pnk Powertrain control module Right heated oxygen sensor, post- converter Right heated oxygen sensor, pre- converter Secondary air injection relay To i/p fuse block Turbocharger waste gate solenoid Underhood fuse-relay center Vehicle control module Water in fuel indicator sensor Power Distribution Wiring Diagram (4 of 4) for Chevrolet Chevy Express G1996 2500 List of elements for Power Distribution Wiring Diagram (4 of 4) for Chevrolet Chevy Express G1996 2500: 29 Air bags fuse 10 10a Automatic transmission B10 B17 C2 pnk C210 Convenience center Daytime running lamp control module Daytime running lamps relay From ignition switch From splice Gauges fuse 4 10a Headlamp switch I/p fuse block I/p relay center Illuminated entry module Inflatable restraint control module Instrument cluster Interior lights system Interior lights system (i/p dimmer switch) Low engine coolant level indicator module (diesel) Multi- function alarm module Park/neutral position switch Pnk Remote control door lock receiver Trans fuse 20 10a Turn b/u fuse 16 20a Turn signal switch Vehicle speed sensor buffer (diesel)
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for Power Door Lock Wiring Diagram for Chevrolet Chevy Express G1996 2500: 48 Base Battery Convenience center (left side of i/p) Data link connector (partial) Dome lp Dome lp def Door jamb switch (on right "b" pillar) Dr input Dr unlock G200 (left kick panel) G203 (right kick panel) G403 (right rear interior, behind rear wheel house) Gauges fuse 4 10a Gnd Ground Hot at all times Hot in run or start I/p fuse block Ign Interior lights system Left front door lock motor Left front power door lock switch Lock Lock sig Pnk Power door lock control module (behind right kick panel) Power door lock relay (behind right kick panel) Prog sig Pwr acc circuit breaker a 25a Rear door lock motor Remote control door lock receiver (behind right kick panel) Right front door lock motor Right front power door lock switch Right rear power door lock switch Rr dr unlck Seats Side door contact buttons Side door lock motor System Tan Tan a Unlock Unlock sig W/ remote keyless entry (rke) only W/ rke W/ upfitter provisions W/o rke W/o upfitter provisions
POWER MIRRORS Power Mirror Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for Power Mirror Wiring Diagram for Chevrolet Chevy Express G1996 2500: 15 1995 vftc c C210 Convenience center (left side of i/p) Ctsy fuse 3 20a G200 (left kick panel) Hot at all times I/p fuse block Left mirror Left power outside rear view mirror Nca Power outside rear view mirror remote control switch Right mirror Right power outside rear view mirror Right/ left motor Up/ down motor
POWER SEATS 6-Way Power Seat Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for 6-Way Power Seat Wiring Diagram for Chevrolet Chevy Express G1996 2500: 25 25a A nca A red Back C 1995 vftc C210 convenience center (left side of i/p) Down E red Entire seat For- ward Forward/ rearward seat motor Front height Front tilt seat motor G200 (left kick panel) G403 (right rear corner of interior cabin) Hot at all times I/p fuse block Left power seat switch Nca Pwr accy circuit breaker Rear height Rear tilt seat motor Red Right power seat switch Tan
POWER WINDOWS Power Window Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for Power Window Wiring Diagram for Chevrolet Chevy Express G1996 2500: 17 (left kick panel) C 1995 vftc C210 Convenience center G200 G200 (left kick panel) Hot in run I/p fuse block Interior lights system Left front switch Left front window motor Left power side window switch Pwr wdo circuit breaker 25a Right front switch Right front window motor Right front window switch Tan
RADIO Radio Wiring Diagrams for Chevrolet Chevy Express G1996 2500 List of elements for Radio Wiring Diagrams for Chevrolet Chevy Express G1996 2500: 73 (left front door harn, approx 13cm from radio speaker breakout) s504 (left front door harn, approx 7cm from radio speaker breakout) s503 (right body harn, near center high mounted stoplamp breakout) s423 (right body harn, near center high mounted stoplamp breakout) s424 Antenna Anti-theft system Audio rtn Base Battery Convenience center (left side of dash) Diesel Dim ctrl Dim sig in Dim sig out Drain E&c line Except G200 (behind left kick panel) Gasoline Ground Hot at all times Hot in acc or run I/p fuse block Ignition Illuminaton Interior lights system Left front door speaker Left front door tweeter speaker Left overhead speaker Left rear door speaker Lf + Lf - Line Lr + Lr - Lt input Lt output Nca Pnk Power antenna assembly Premium Pwr antenna R14 in R14 out Radio Radio i fuse 17 10a Radio-b fuse 19 10a Red Remote compact disk player (below radio) Rf + Rf - Right front door speaker Right front door tweeter speaker Right overhead speaker Right rear door speaker Rr + Rr - Rt input Rt output S202 S219 S220 S239 (i/p harn, approx 10cm into radio breakout) S407 (left body harn near left "b" pillar) S419 (left body harn, near left "b" pillar) S605 (right front door harn, approx 7cm from power window motor breakout) S606 (right front door harn, approx 4cm from power window motor breakout) Tan Vehicle control module (left side of engine compt) Vehicle speed sensor buffer (below dash, near steering column) Vss signal W/ upfitter W/o upfitter
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for Shift Interlock Wiring Diagram for Chevrolet Chevy Express G1996 2500: 8 A/t shift lock solenoid (right side of steering column) G200 (left kick panel) Hot in run or start I/p fuse panel Park/neutral position switch (left side of transmission) c1 Pnk Tcc/stoplamp switch (near brake pedal lever) Turn b/u fuse 16 20a
STARTING/CHARGING
4.3L 4.3L (VIN W), Charging Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for 4.3L (VIN W), Charging Wiring Diagram for Chevrolet Chevy Express G1996 2500: 18 (not used) (right front of engine compt) B16 B17 Battery Battery lamp Fusible link (10 ga-rust) G101 Gauges fuse 4 10a Generator Hot in run or start I/p fuse block Instrument cluster Nca Pnk Power distribution system Red Starter solenoid 4.3L (VIN W), Starting Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for 4.3L (VIN W), Starting Wiring Diagram for Chevrolet Chevy Express G1996 2500: 27 (right front of engine compt) (right rear of engine-ex. 4.3l, right front of engine-4.3l) Accy Battery Battery stud Bulb test Fusible link (10 ga-rust) G101 G117 (ex. 4.3l) g119 (4.3l) Hold- in coil Ign-a maxifuse 40a Ignition switch Lock Nca Nca d1 Off Park/ neutral position switch (left side of transmission) Power distribution system Pull- in coil Red Run Start Starter motor Starter relay Starter solenoid Stud a Underhood fuse-relay center
5.0L 5.0L (VIN M), Charging Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for 5.0L (VIN M), Charging Wiring Diagram for Chevrolet Chevy Express G1996 2500: 18 (not used) (right front of engine compt) B16 B17 Battery Battery lamp Fusible link (10 ga-rust) G101 Gauges fuse 4 10a Generator Hot in run or start I/p fuse block Instrument cluster Nca Pnk Power distribution system Red Starter solenoid 5.0L (VIN M), Starting Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for 5.0L (VIN M), Starting Wiring Diagram for Chevrolet Chevy Express G1996 2500: 27 (right front of engine compt) (right rear of engine-ex. 4.3l, right front of engine-4.3l) Accy Battery Battery stud Bulb test Fusible link (10 ga-rust) G101 G117 (ex. 4.3l) g119 (4.3l) Hold- in coil Ign-a maxifuse 40a Ignition switch Lock Nca Nca d1 Off Park/ neutral position switch (left side of transmission) Power distribution system Pull- in coil Red Run Start Starter motor Starter relay Starter solenoid Stud a Underhood fuse-relay center
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for Supplemental Restraint Wiring Diagram for Chevrolet Chevy Express G1996 2500: 36 (under left side of dash) A nca A16 Air bag indicator Air bags fuse 10 15a Air bags fuse 4 10a B17 Bar Data line Data link connector (left i/p) G200 (left kick G300 (below left front seat) Hot in run or start I/p fuse block Ign 1 Infl feed driv Infl out driv Infl out pass Inflatable restraint control module (below left front seat) Inflatable restraint front end discriminating sensor (front of vehicle) Inflatable restraint i/p module Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Instrument cluster Lf seat belt input Multi-function alarm module Nca Panel) Pass side high Pnk Seat belt sig Seat belt switch (in driver's belt buckle) Shorting Sir fwd sens Sir ground Tan
TRANSMISSION
4.3L 4.3L (VIN W), Transmission Wiring Diagram, 4L60-E for Chevrolet Chevy Express G1996 2500 List of elements for 4.3L (VIN W), Transmission Wiring Diagram, 4L60-E for Chevrolet Chevy Express G1996 2500: 69 (engine harn, 11 cm from maf sens break-out) 1-2 shift 1-2 shift sol 2-3 shift sol 2-3 shift solenoid 3-2 ctrl solenoid 3-2 downshift sol 5v reference Automatic transmission B17 Battery in Brake fuse 10a Brake switch assembly (on brake pedal bracket) Brake switch input Data class ii Data link connector (under left side of dash) Ecm 1 fuse 20a Ecm b fuse 20a Ect sens input Eng 1 fuse 20a Engine coolant temp sensor (left side or top front of engine) G119 (right front of engine, on generator bracket) Gauges fuse 4 10a Hot at all times Hot in run Hot in run or start Hot in run, start or off I/p fuse block Ignition in Instrument cluster Malfunction indicator lamp Mil control Pcm ground Pcs sol hi out Pcs sol lo out Pnk Press ctrl Range signal "a" Range signal "b" Range signal "c" Red S102 S113 (engine harn, left rear of engine compt) S120 S124 or s136 S130 S132 S139 (engine harness, 4 cm from ect sensor break-out) S207 (i/p harness, 4 cm from tcc/brake lamp switch break-out) S210 S216 Sensor ground Sensor return Solenoid Tcc Tcc pwm Tcc pwm sol Tcc sol Throttle position sensor (mounted to side of throttle body) Tp sens input Trans fluid temp sensor Trans fuse 20 10a Trans range pressure switch assembly Trans temp sig in Underhood fuse/relay center Vehicle control module (vcm) (engine compt, left front fender apron) Vehicle speed sensor (left rear of transmission) Vss hi Vss lo 4.3L (VIN W), Transmission Wiring Diagram, 4L80-E for Chevrolet Chevy Express G1996 2500 List of elements for 4.3L (VIN W), Transmission Wiring Diagram, 4L80-E for Chevrolet Chevy Express G1996 2500: 67 1-2 shift 1-2 shift sol 2-3 shift sol 2-3 shift solenoid 5v reference A/t iss hi in A/t iss lo in Auto transmission input shaft speed sensor (inside front of transmission) Automatic transmission B17 Battery in Brake fuse 18 10a Brake switch assembly (on brake pedal bracket) Brake switch input Data class ii Data link connector (under left side of dash) Ecm 1 fuse 20a Ecm b fuse 20a Ect sens input Eng 1 fuse 20a Engine coolant temp sensor (left side or top front of engine) G119 (right front of engine, on generator bracket) Gauges fuse 4 10a Hot at all times Hot in run Hot in run or start Hot in run, start or off I/p fuse block Ignition in Instrument cluster Malfunction indicator lamp Mil control Pcm ground Pcs sol hi out Pcs sol lo out Pnk Press ctrl Range signal "a" Range signal "b" Range signal "c" Red S102 S113 (engine harn, left rear of engine compt) S120 S124 or 136 (5.0l/5.7l: engine harness, 11 cm from maf sensor break-out; 7.4l: 7 cm from knock sensor break-out) S130 S132 S139 (5.0l/5.7l: engine harness, 4 cm from ect sensor break-out; 7.4l: eng harness, 21 cm from maf sensor break-out) S207 (i/p harness, 4 cm from tcc/brake lamp switch break-out) S210 S216 Sensor ground Sensor return Solenoid Tcc pwm Tcc pwm sol Throttle position sensor (mounted to side of throttle body) Tp sens input Trans fluid temp sensor Trans fuse 20 10a Trans range pressure switch assembly Trans temp sig in Underhood fuse/relay center Vehicle control module (vcm) (engine compt, left front fender apron) Vehicle speed sensor (left rear of transmission) Vss hi Vss lo
5.0L 5.0L (VIN M), Transmission Wiring Diagram, 4L60-E for Chevrolet Chevy Express G1996 2500 List of elements for 5.0L (VIN M), Transmission Wiring Diagram, 4L60-E for Chevrolet Chevy Express G1996 2500: 69 (engine harn, 11 cm from maf sens break-out) 1-2 shift 1-2 shift sol 2-3 shift sol 2-3 shift solenoid 3-2 ctrl solenoid 3-2 downshift sol 5v reference Automatic transmission B17 Battery in Brake fuse 10a Brake switch assembly (on brake pedal bracket) Brake switch input Data class ii Data link connector (under left side of dash) Ecm 1 fuse 20a Ecm b fuse 20a Ect sens input Eng 1 fuse 20a Engine coolant temp sensor (left side or top front of engine) G119 (right front of engine, on generator bracket) Gauges fuse 4 10a Hot at all times Hot in run Hot in run or start Hot in run, start or off I/p fuse block Ignition in Instrument cluster Malfunction indicator lamp Mil control Pcm ground Pcs sol hi out Pcs sol lo out Pnk Press ctrl Range signal "a" Range signal "b" Range signal "c" Red S102 S113 (engine harn, left rear of engine compt) S120 S124 or s136 S130 S132 S139 (engine harness, 4 cm from ect sensor break-out) S207 (i/p harness, 4 cm from tcc/brake lamp switch break-out) S210 S216 Sensor ground Sensor return Solenoid Tcc Tcc pwm Tcc pwm sol Tcc sol Throttle position sensor (mounted to side of throttle body) Tp sens input Trans fluid temp sensor Trans fuse 20 10a Trans range pressure switch assembly Trans temp sig in Underhood fuse/relay center Vehicle control module (vcm) (engine compt, left front fender apron) Vehicle speed sensor (left rear of transmission) Vss hi Vss lo 5.0L (VIN M), Transmission Wiring Diagram, 4L80-E for Chevrolet Chevy Express G1996 2500 List of elements for 5.0L (VIN M), Transmission Wiring Diagram, 4L80-E for Chevrolet Chevy Express G1996 2500: 67 1-2 shift 1-2 shift sol 2-3 shift sol 2-3 shift solenoid 5v reference A/t iss hi in A/t iss lo in Auto transmission input shaft speed sensor (inside front of transmission) Automatic transmission B17 Battery in Brake fuse 18 10a Brake switch assembly (on brake pedal bracket) Brake switch input Data class ii Data link connector (under left side of dash) Ecm 1 fuse 20a Ecm b fuse 20a Ect sens input Eng 1 fuse 20a Engine coolant temp sensor (left side or top front of engine) G119 (right front of engine, on generator bracket) Gauges fuse 4 10a Hot at all times Hot in run Hot in run or start Hot in run, start or off I/p fuse block Ignition in Instrument cluster Malfunction indicator lamp Mil control Pcm ground Pcs sol hi out Pcs sol lo out Pnk Press ctrl Range signal "a" Range signal "b" Range signal "c" Red S102 S113 (engine harn, left rear of engine compt) S120 S124 or 136 (5.0l/5.7l: engine harness, 11 cm from maf sensor break-out; 7.4l: 7 cm from knock sensor break-out) S130 S132 S139 (5.0l/5.7l: engine harness, 4 cm from ect sensor break-out; 7.4l: eng harness, 21 cm from maf sensor break-out) S207 (i/p harness, 4 cm from tcc/brake lamp switch break-out) S210 S216 Sensor ground Sensor return Solenoid Tcc pwm Tcc pwm sol Throttle position sensor (mounted to side of throttle body) Tp sens input Trans fluid temp sensor Trans fuse 20 10a Trans range pressure switch assembly Trans temp sig in Underhood fuse/relay center Vehicle control module (vcm) (engine compt, left front fender apron) Vehicle speed sensor (left rear of transmission) Vss hi Vss lo
WARNING SYSTEMS Warning System Wiring Diagrams for Chevrolet Chevy Express G1996 2500 List of elements for Warning System Wiring Diagrams for Chevrolet Chevy Express G1996 2500: 33 (left kick panel) A12 Base models Battery in C200 C210 Convenience center (under left side of i/p) Fasten belts out G200 G200 (left kick panel) G203 (right kick panel) Gages 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 Ign on in Illum fuse 14 10a Instrument cluster Key-in sw in Key-in warning switch (inside steering column assembly) Left front door jamb switch Lights on in Multi-function alarm module (in convenience center) Nca Pnk Safety belt in Safety belt lamp Seat belt switch (seat belt buckle assy) Tan Upfitter package
WIPER/WASHER Wiper/Washer Wiring Diagram for Chevrolet Chevy Express G1996 2500 List of elements for Wiper/Washer Wiring Diagram for Chevrolet Chevy Express G1996 2500: 16 C 1995 vftc Fuse block G200 (left kick panel) Hot in acc or run Low Mist Off Pulse Red Solid state Washer switch Windshield washer pump motor (left front of engine compt, at washer reservoir) Windshield washer/ wiper switch Windshield wiper motor (engine compt, in cowl) Wiper fuse 11 25a Wiper switch