POWER DISTRIBUTION – Chevrolet Cab & Chassis Silverado 3500 2001 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for Power Distribution Wiring Diagram (1 of 4) for Chevrolet Cab & Chassis Silverado 3500 2001:

• (base pickup (uplevel pickup, utilities)
• (diagram 1 of 4)
• (not used)
• (on left side of engine compt) underhood junction block
• (right rear side of cargo area)
• (under left side of dash) body junction block
• (upper left kick panel)
• A/c compressor relay
• A/c fuse 10a
• Abs fuse 60a
• Accessory power outlet
• Accessory power outlet (console)
• Air fuse 30a
• Atc fuse 20a
• Audio amplifier
• Automatic transmission control module (allison)
• Aux pwr fuse 20a
• B12
• B12 d2
• Base
• Bat
• Battery cable junction block
• Body control module
• C1 f2
• C10
• C12
• Cigar fuse 15a
• Cigar lighter
• Ctsy lp fuse 15a
• D10
• D11
• D12
• Data link connector (dlc)
• Daytime running lamp (drl) relay
• Diesel only
• Dimmer switch
• Driver infor- mation center (dic)
• Driver seat
• Drl fuse 10a
• E nca
• E10
• Ecm b fuse 20a
• Electronic brake control module (ebcm)
• Engine control module (ecm)/ powertrain control module (pcm)
• F10
• F11
• F12
• Fog lps fuse 15a
• Foglamp relay
• From air fuse b
• From fuse l block (diagram 4 of 4)
• From rap fuse c (diagram 1 of 4)
• Front blower motor resistor assembly
• Front passenger window/door lock switch
• Frt hvac fuse 30a
• Fuel pump relay
• Fusible link (10 ga- red)
• G200
• G203 (upper right kick panel)
• G405
• Generator
• Generator (w/ dual diesel only)
• Hazard fuse 20a
• Headlamp dimmer switch
• Headlamp relay
• Horn relay
• Hvac control module
• I/p junction block
• Inadvertent power relay
• Instrument panel cluster (ipc)
• L nca
• Left battery
• Nca
• Park lamps fuse 30a
• Parklamp relay
• Passenger seat
• Power sunroof
• Power takeoff (pto) relay
• Pwr wdo cb 25a
• Radio
• Radio fuse 15a
• Rap 2 fuse 50a
• Rap 2 relay
• Rap fuse 50a
• Rdo amp fuse 25a
• Rear accessory power outlet
• Red
• Remote control door lock receiver
• Right rear defogger relay
• Right rear heated seat switch
• Right rear window/door lock switch
• Roof beacon relay
• Roof beacon switch
• Secondary air injection (air) pump relay
• Seo 1 fuse 15a
• Seo 2 fuse 30a
• Sp203
• Sp410
• Starter solenoid
• Stop lps fuse 20a
• Stoplamp switch
• Sunroof module
• Tbc fuse 10a
• To auxiliary battery relay (diagram 3 of 4)
• To ecm b fuse (diagram 1 of 4)
• To fuse block (mir/lock fuse) (diagram 4 of 4)
• To ign 1 relay (diagram 3 of 4)
• To ign a fuse (diagram 2 of 4)
• To park lamps fuse (diagram 1 of 4)
• Transfer case encoder motor
• Transfer case shift module
• Turn signal/ multi- function switch
• Under- hood junction block (on left side of engine compt)
• Under- hood junction block (on left side of engine)
• Uplevel
• Vehicle interface unit (onstar)

Power Distribution Wiring Diagram (2 of 4) for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for Power Distribution Wiring Diagram (2 of 4) for Chevrolet Cab & Chassis Silverado 3500 2001:

• (4.3l)
• (a/t)
• (all others)
• (canada built)
• (diesel)
• (gas)
• (m/t)
• (not used)
• (others)
• A/c clutch relay
• A10
• A13
• Acc
• Air bag fuse 15a
• Automatic transmission
• B/u lp fuse 25a
• B11
• Back-up lamp switch (part of park/ neutral position switch (a/t))
• Body control module
• Body junction block (under left side of dash)
• Bulb test
• C1 a1
• C10
• C2 f6
• Camshaft position (cmp) sensor (4.3l)
• Cellular phone ready wiring
• Clutch pedal position switch (m/t)
• Compressor levelling module
• Compressor motor relay
• Crank fuse 10a
• Cruise control module
• Cruise control on/off switch
• Cruise fuse 10a
• D (gas) (diesel)
• Driver information center (dic)
• Drl relay
• E11
• E6 (not used)
• Emergency light relay
• Eng 1 fuse 10a
• Engine control module (ecm) (diesel)
• Engine control module (ecm)/ powertrain control module (pcm)
• Evaporative emission (evap) canister purge solenoid
• Evaporative emission (evap) canister vent solenoid
• Ext lps fuse 10a
• F10
• F11
• From cigar e
• Fuel heater (diesel)
• Fuse (diagram 1 of 4)
• Fuse block (on lower left side of dash)
• Gas only
• Heated oxygen sensor (ho2s) (bank 1 sensor 1) (gas)
• Heated oxygen sensor (ho2s) (bank 1 sensor 2) (gas)
• Heated oxygen sensor (ho2s) (bank 2 sensor 1) (gas)
• Heated oxygen sensor (ho2s) (bank 2 sensor 2) (gas)
• Ign 1 fuse 10a
• Ign a fuse 40a
• Ign b fuse 50a
• Ign c fuse 20a
• Ign e fuse 10a
• Ign o fuse 10a
• Ignition switch
• Inflatable restraint i/p module switch (pickup only)
• Inflatable restraint sensing & diagnostic module
• Inside temperature sensor assembly
• Instrument panel cluster (ipc)
• Intake air temperature (iat)/ mass air flow (maf) sensor
• Nca
• Nca c
• Nca f
• O2 a fuse 15a fuel ht fuse 15a
• O2 b fuse 15a ecm 1 fuse 10a
• Off
• Outside rearview mirror
• Park/ neutral position switch (a/t)
• Pnk
• Rear defog relay
• Rear window wiper module
• Rear wiper washer switch
• Red
• Rr hvac fuse 30a
• Rr wiper fuse 15a
• Rr wpr fuse 25a
• Rtd module fuse 30a
• Run
• Secondary air injection (air) pump relay
• Secondary fuel pump relay
• Selectable ride switch
• Seo ign fuse 10a
• Seq accy fuse 10a
• Start
• Starter relay
• Stud 1
• Stud 1 fuse 40a
• Stud 2
• Stud 2 fuse 30a
• Suspension control module
• To htr/ a/c fuse (diagram 3 of 4)
• To i/p junction block (diagram 3 of 4)
• To ign 1 relay (diagram 3 of 4)
• To retained accessory power relay (diagram 4 of 4)
• Traction assist switch
• Trailer connector
• Transfer case shift control switch
• Turn fuse 20a
• Turn signal/ multi- function switch
• Under- hood junction block (on left side of engine compt)
• Underhood junction block (on left side of engine compt)
• Vehicle interface unit (viu)
• Windshield washer switch
• Windshield wiper motor module
• Ws wiper fuse 25a

Power Distribution Wiring Diagram (3 of 4) for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for Power Distribution Wiring Diagram (3 of 4) for Chevrolet Cab & Chassis Silverado 3500 2001:

• (4.3l)
• (all other gas)
• (auto ecc)
• (base)
• (diesel)
• (diesel) (gas)
• (engine harness) s199
• (except 4.3l)
• (gas)
• (manual)
• (on lower left side of dash) fuse block
• (other pnk
• (other)
• (uplevel pickups & utilities)
• 4.3l
• 4wd fuse 15a
• A11
• Air temperature actuator
• All other gas
• Auxiliary battery relay
• B h
• B j
• B10
• Blower motor switch (manual)
• Brake fuse 10a
• C10
• C11
• C12
• C2 c1
• Clutch pedal position switch
• Compressor leveling relay relay
• D10
• Diesel
• E10
• E12
• Ecm 1 fuse 10a ecm prv fuse 15a
• Electronic brake control module (ebcm)
• Engine control module (ecm)/
• Engine control module (ecm)/ powertrain control module (pcm)
• Etc fuse 15a
• From cruise g
• From eng 1 fuse (diagram 2 of 4) from ecm b fuse (diagram 1 of 4)
• From fuse link (diagram 1 of 4)
• From ign c f
• From rr hvac fuse (diagram 2 of 4)
• Front axle actuator
• Front passenger heated seat switch
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5 (all gas)
• Fuel injector 6
• Fuel injector 7 (except 4.3l)
• Fuel injector 8
• Fuse (diagram 2 of 4)
• G114 (left rear of engine)
• Gas
• Gas)
• Heater auxiliary blower motor resistor
• Htr/ a/c fuse 25a
• Hvac 1 fuse 10a
• Hvac control module
• I/p junction block (on lower right side of dash)
• Ign 1 relay
• Ign 3 fuse 10a
• Ignition coil
• 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 coil driver
• Inj a fuse 15a
• Inj b fuse 25a 15a
• Injector control module (icm)
• Left front heated seat switch
• Left rear heated seat module
• Mega fuse 125a
• Memory seat module (except pickup)
• Memory seat module (pickup only)
• Mode actuator
• Nca
• Pnk
• Powertrain control module (pcm) (4.3l)
• Recirculation actuator
• Red
• Right battery
• Right rear heated seat module
• S104
• S152 (eng pnk harn)
• S154 (eng pnk harn)
• Stoplamp switch
• Suspension control module
• To a/c auxiliary blower motor resistor assembly (diagram 4 of 4)
• Transfer case shift control module
• Under- hood junction block (on left side of engine compt)

Power Distribution Wiring Diagram (4 of 4) for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for Power Distribution Wiring Diagram (4 of 4) for Chevrolet Cab & Chassis Silverado 3500 2001:

• (except pickup)
• (not used)
• (pickup only)
• (pickup)
• (utilities)
• A/c auxiliary blower motor resistor assembly
• A10
• Air temperature actuator
• Air temperature sensor
• Base
• Base pickup
• Base utility
• Body control module (bcm)
• Body junction block fuse block (under left side of dash)
• C1 b4
• C1 c9
• C1 e7
• C14
• C4 k
• C4 l
• C6 c
• C7 e
• Door lock fuse 20a
• Door lock relay
• Door unlock relay
• Driver door lock switch
• Driver door unlock relay (uplevel only)
• Driver memory seat switch
• Driver seat adjuster switch
• Driver window/ door lock switch
• F11
• From fuse block (diagram 2 of 4)
• From i/p junction block (diagram 3 of 4)
• From rap fuse d (diagram 1 of 4)
• Front auxiliary hvac control assembly
• Front passenger door lock switch
• Front passenger seat adjuster switch
• Front passenger window/ door lock switch
• Fuse block (on lower left side of dash)
• I/p junction block
• Instrument cluster & sound systems
• Left full feature seat
• Left power door lock switch
• Left power seat
• Left power window/ door lock switch
• Memory seat switch
• Mir/ lock fuse 3a
• Mode actuator
• Nca
• Outside rear view mirror switch
• Pickup
• Pwr wdo cb 25a
• Radio
• Rap 2 fuse 10a
• Rdo 1 fuse 10a
• Rear auxiliary hvac control assembly
• Rear cargo door lock switch
• Rear hvac control module
• Red
• Relays
• Retained accessory power relay
• Right full feature seat
• Right power seat
• Seats circuit breaker 25a
• To rap 2 relay (diagram 1 of 4)
• Uplevel & 4-door
• Uplevel all
• Utilities
• Utility only
• Vehicle interface unit (viu)
• W/ auto ecc
• W/ heat & a/c
• W/ heat or a/c
• W/ sunroof
• W/o sunroof