POWER DISTRIBUTION – GMC Sierra 1500 2000 – SYSTEM WIRING DIAGRAMS – Wiring diagrams for cars (2024)

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for GMC Sierra 1500 2000

List of elements for Power Distribution Wiring Diagram (1 of 4) for GMC Sierra 1500 2000:

• (4.3l)
• (base pickup)
• (diagram 1 of 4)
• (except 4.3l)
• (not used)
• (right rear side of cargo area)
• (under left side of dash) body wiring harness junction block
• (upper left kick panel)
• A/c compressor relay
• A/c fuse 10a
• Abs fuse 60a
• Air fuse 30a
• Atc fuse 20a
• Audio amplifier
• Automatic transfer case (encoder motor)
• Automatic transfer case control module
• Aux pwr fuse 20a
• Auxiliary power outlet
• Auxiliary power outlet (console)
• B12
• Base
• Bat
• Battery cable junction block
• Body control module
• C1 f2
• C10
• C12
• C6 a
• Cigar fuse 15a
• Cigar lighter
• Ctsy lp fuse 15a
• D10
• D11
• D12
• Data link connector (dlc)
• Daytime running lamp (drl) relay
• Drl fuse 10a
• E nca
• E10
• Ecm b fuse 20a
• Electronic brake control module (ebcm)
• Engine wiring harness junction block (on left side of eng compt)
• Engine wiring harness junction block (on left side of engine compt)
• Engine wiring harness junction block (on left side of engine)
• 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/ relay assembly
• Frt hvac fuse 30a
• Fuel pump relay
• Full feature driver seat
• Full feature passenger seat
• Fusible link (10 ga- red)
• G200
• G203 (upper right kick panel)
• G405
• Generator
• Hazard fuse 20a
• Headlamp & panel dimmer switch
• Headlamp dimmer switch
• Headlamp relay
• Horn relay
• Hvac control module (auto ecc)
• Inadvertent power relay
• Instrument cluster
• Instrument panel wiring harness junction block
• L nca
• Left battery
• Nca
• Park lamps fuse 30a
• Parklamp relay
• Power sunroof
• Power sunroof module
• Pwr wdo cb 25a
• Radio
• Radio fuse 15a
• Rap 2 fuse 50a
• Rap 2 relay
• Rap fuse 50a
• Rdo amp fuse 25a
• Rear auxiliary power outlet
• Red
• Remote control door lock receiver
• Right front power window/ door lock switch
• Right rear defogger relay
• Right rear power 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
• 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 a fuse (diagram 2 of 4)
• To park lamps fuse (diagram 1 of 4)
• Turn/ hazard switch
• Uplevel
• Vehicle control module (vcm)/ powertrain control module (pcm)
• Vehicle interface unit (onstar)

Power Distribution Wiring Diagram (2 of 4) for GMC Sierra 1500 2000

List of elements for Power Distribution Wiring Diagram (2 of 4) for GMC Sierra 1500 2000:

• (4.3l)
• (a/t)
• (all others)
• (canada built)
• (m/t)
• (not used)
• (others)
• A/c comp relay
• A10
• A13
• Acc
• Air bag fuse 15a
• Automatic day-night rearview mirror (w/ compass)
• Automatic transfer case (atc) select switch
• Automatic transmission
• B/u lp fuse 25a
• B11
• Back-up lamp switch (part of park/ neutral position switch (a/t))
• Body control module
• Body wiring harness 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 switch
• Cruise fuse 10a
• Drl relay
• E11
• E6 (not used)
• Eng 1 fuse 10a
• Engine wiring harness junction block (on left side of engine)
• Evaporative emission (evap) canister purge solenoid
• Evaporative emission (evap) vent solenoid
• Ext lps fuse 10a
• F10
• F11
• From cigar e
• Fuse (diagram 1 of 4)
• Fuse block (on lower left side of dash)
• 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)
• 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
• In vehicle temperature sensor assembly (overhead)
• Inflatable restraint i/p module switch (pickup only)
• Inflatable restraint sensing & diagnostic module
• Instrument cluster
• Mass airflow (maf) sensor
• Nca
• Nca c
• Nca f
• O2 a fuse 15a
• O2 b fuse 15a
• Off
• Park/ neutral position switch (a/t)
• Pnk
• Rear window wiper module
• Rear window wiper washer switch
• Red
• Right rear defog relay
• 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 ign 1 relay (diagram 3 of 4)
• To instrument panel wiring harness junction block (diagram 3 of 4)
• To retained accessory power relay (diagram 4 of 4)
• Traction assist switch
• Trailer connector
• Turn fuse 20a
• Turn/ hazard switch
• Vehicle control module (vcm)/ powertrain control module (pcm)
• Vehicle interface unit (viu)
• Windshield washer switch
• Windshield wiper motor module
• Ws wiper fuse 25a

Power Distribution Wiring Diagram (3 of 4) for GMC Sierra 1500 2000

List of elements for Power Distribution Wiring Diagram (3 of 4) for GMC Sierra 1500 2000:

• (4.3l)
• (all other gas)
• (all pnk
• (auto ecc)
• (base)
• (engine harness) s199
• (manual)
• (not used)
• (uplevel pickups & utilities)
• 4.3l
• 4wd fuse 15a
• All other gas
• Automatic transfer case (atc) control module
• Auxiliary battery relay
• B10
• Brake fuse 10a
• C10
• C11
• C12
• Clutch pedal position switch
• Compressor leveling module relay
• Crankshaft position (ckp) sensor
• D10
• E10
• E12
• Ecm 1 fuse 10a
• Electronic brake control module (ebcm)
• Engine wiring harness junction block (on left side of engine)
• Etc fuse 15a
• From cruise g
• From eng 1 fuse (diagram 2 of 4)
• From fuse link (diagram 1 of 4)
• From ign c f
• From rr hvac fuse (diagram 2 of 4)
• Front axle actuator/ 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)
• Fuse block (on lower left side of dash)
• G114 (left rear of engine)
• Htr/ a/c fuse 25a
• Hvac 1 fuse 10a
• Hvac blower motor switch (manual)
• Hvac control module
• 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 module
• Inj a fuse 15a
• Inj b fuse 15a
• Instrument panel wiring harness junction block (on lower right side of dash)
• Left front heated seat switch
• Mega fuse 125a
• Memory seat module (except pickup)
• Memory seat module (pickup only)
• Mode door motor
• Nca
• Other gas)
• Pnk
• Rear blower motor assembly/rear auxiliary blower motor/ resistor assembly
• Recirculation door motor
• Red
• Right battery
• Right front heated seat switch
• S102
• S104
• S152 (eng pnk harn)
• S154 (eng pnk harn)
• Stoplamp switch
• Suspension control module
• Temperature door motor
• To rear auxiliary blower motor resistor/relay assembly (diagram 4 of 4)
• Vehicle control module (vcm) (4.3l)
• Vehicle control module (vcm)/ powertrain control module (pcm)

Power Distribution Wiring Diagram (4 of 4) for GMC Sierra 1500 2000

List of elements for Power Distribution Wiring Diagram (4 of 4) for GMC Sierra 1500 2000:

• (4-door only)
• (not used)
• (pickup only)
• (pickup)
• (utilities)
• 87a
• A10
• Base
• Base pickup
• Base utility
• Body control module (bcm)
• Body wiring harness junction block fuse block (under left side of dash)
• C1 b4
• C14
• C7 e
• Door lock fuse 20a
• Driver door unlock relay (uplevel only)
• From fuse block (diagram 2 of 4)
• From instrument panel wiring harness junction block (diagram 3 of 4)
• From rap fuse d (diagram 1 of 4)
• Fuse block (on lower left side of dash)
• Hvac control module (rear)
• Instrument panel wiring harness junction block
• Left front power door lock switch
• Left front power window/ door lock switch
• Left full feature seat
• Left memory seat switch
• Left power door lock switch
• Left power seat
• Left power seat switch
• Left power window/ door lock switch
• Left rear power window/ door lock switch
• Memory seat switch
• Mir/ lock fuse 3a
• Mode door motor
• Nca
• Power door lock relay
• Power door unlock relay
• Power mirror switch
• Pwr wdo cb 25a
• Radio
• Rap 2 fuse 10a
• Rap a7
• Rdo 1 fuse 10a
• Rear auxiliary blower motor resistor/relay assembly
• Rear auxiliary blower motor switch (front)
• Rear auxiliary blower motor switch (rear)
• Rear power door lock switch
• Red
• Relay control
• Relays
• Retained accessory power relay
• Right front power window/ door lock switch
• Right full feature seat
• Right memory seat switch
• Right power door lock switch
• Right power seat
• Right power seat switch
• Seats circuit breaker 25a
• Temperature door motor
• To rap 2 relay (diagram 1 of 4)
• Uplevel & 4-door
• Uplevel all
• Utility only
• W/ auto ecc
• W/ heat & a/c
• W/ heat or a/c
• W/ sunroof
• W/o sunroof