POWER DISTRIBUTION – Chevrolet Chevy Express G2500 2001 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for Chevrolet Chevy Express G2500 2001

List of elements for Power Distribution Wiring Diagram (1 of 5) for Chevrolet Chevy Express G2500 2001:

• (8.1l) etc fuse 15a
• (9 cm from i/p fuse block)
• (approx 23 cm from blower motor resistor assembly breakout) s412
• (crossbody harness, approx 4 cm from convenience center conn breakout)
• (i/p harness, approx 4 cm into tcc/stoplamp switch breakout)
• (rear a/c harness, approx 7 cm from blower motor resistor breakout)
• (rear aux htr and a/c harness, approx 29 cm from rear aux hvac module breakout)
• A red
• 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)
• G200 (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
• Power- train control module (pcm)
• 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
• Start
• Starter relay
• Starter solenoid
• Tcc/ brake switch
• Throttle actuator control (tac) module
• 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/ 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 G2500 2001

List of elements for Power Distribution Wiring Diagram (2 of 5) for Chevrolet Chevy Express G2500 2001:

• (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, approx 14 cm from power door lock relay breakout) s232
• (crossbody harness, left side of dash) s228
• (diesel: engine harn, approx 55 cm from bulkhead connector, gas: engine harn, approx 10 cm from underhood fuse block) s127
• (i/p harn, 4 cm from radio breakout) s219
• (i/p harn, 7 cm from instrument cluster breakout) s218
• (i/p harn, approx 37 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 radio 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
• G200 (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
• S205
• S211 (i/p harness, approx 4 cm from park brake warning switch breakout)
• S221
• S345
• 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 G2500 2001

List of elements for Power Distribution Wiring Diagram (3 of 5) for Chevrolet Chevy Express G2500 2001:

• (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 7 cm from injector harn breakout)
• (engine harn, approx 8 cm from fuel injector harness breakout) s133
• (engine harness, approx 11 cm into main harness 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
• 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
• Powertrain control module (pcm)
• S132
• S185
• S186
• S187
• S188
• S214 (i/p harn, approx 17 cm from bulkhead connector)
• 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 G2500 2001

List of elements for Power Distribution Wiring Diagram (4 of 5) for Chevrolet Chevy Express G2500 2001:

• (approx 16 cm from rear fuse block) s333
• (approx 75 cm from underhood fuse block) s139
• (i/p harness, approx 37 cm from bulkhead connector) s217
• (i/p harness, approx 4 cm from bulkhead connector breakout) s216
• A12
• Air bags fuse 10 10a
• 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
• Daytime running lamp (drl) relay
• 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
• I/p relay center
• Illum fuse 14 10a
• Illuminated entry module
• Inflatable restraint sensing & diagnositc module (sdm)
• Inside rearview mirror (luxury)
• Instrument panel cluster (ipc)
• 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
• 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 G2500 2001

List of elements for Power Distribution Wiring Diagram (5 of 5) for Chevrolet Chevy Express G2500 2001:

• (4.3l: engine harn, approx 117 cm from the underhood fuse block 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 5 cm from the ckp sensor 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