Chevrolet·Suburban 2Wd·2001 Chevrolet Suburban 2WD·Wiring
Wiring diagram

2001 Chevrolet Suburban 2WD — power distribution

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Power distribution

H A BAT 25A L 50A D 50A 15A 30A 15A 30A E 20A 15A C 15A 10A B C 10A 20A 20A 20A 30A 10A 30A 25A 15A 20A 60A B RED) (10 GA- BAT BATTERY CABLE JUNCTION BLOCK LEFT BATTERY RAP 2 RELAY CIGAR LIGHTER ORG BLK ORG ORG ORG ORG RED BLK BLK DK GRN GRN DK GRN DK BLK BLK BLK RED ORG ORG ORG ORG ORG ORG ORG ORG ORG NCA ORG ORG RED BLK BLK BLK ORG ORG ORG NCA NCA ORG ORG ORG ORG ORG BLK BLK ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG RED NCA ORG ORG ORG ORG ORG ORG ORG NCA ORG RED RED RED RED RED RED RED UNDERHOOD JUNCTION BLOCK AIR FUSE TBC FUSE RADIO FUSE RDO AMP FUSE HAZARD FUSE FRT HVAC FUSE ABS FUSE FUSIBLE LINK GENERATOR STARTER SOLENOID REMOTE CONTROL DOOR LOCK RECEIVER RADIO SECONDARY AIR INJECTION (AIR) PUMP RELAY DIMMER SWITCH HEADLAMP DIMMER SWITCH INSTRUMENT PANEL CLUSTER (IPC) FRONT BLOWER MOTOR RESISTOR ASSEMBLY DRIVER INFOR- MATION CENTER (DIC) TURN SIGNAL/ MULTI- FUNCTION SWITCH BODY CONTROL MODULE AUDIO AMPLIFIER HVAC CONTROL MODULE ELECTRONIC BRAKE CONTROL MODULE (EBCM) GENERATOR UNDER- HOOD JUNCTION BLOCK ATC FUSE FOG LPS FUSE A/C FUSE DRL FUSE STOP LPS FUSE ECM B FUSE RAP FUSE RAP 2 FUSE FUEL PUMP RELAY FOGLAMP RELAY DAYTIME RUNNING LAMP (DRL) RELAY RIGHT REAR DEFOGGER RELAY HEADLAMP RELAY A/C COMPRESSOR RELAY HORN RELAY I/P JUNCTION BLOCK PWR WDO CB POWER TAKEOFF (PTO) RELAY VEHICLE INTERFACE UNIT ENGINE CONTROL MODULE (ECM)/ POWERTRAIN CONTROL MODULE (PCM) STOPLAMP SWITCH AUTOMATIC TRANSMISSION CONTROL MODULE TRANSFER CASE SHIFT MODULE TRANSFER CASE ENCODER MOTOR FRONT PASSENGER WINDOW/DOOR LOCK SWITCH RIGHT REAR WINDOW/DOOR LOCK SWITCH SUNROOF MODULE UNDER- HOOD JUNCTION BLOCK PARK LAMPS FUSE AUX PWR FUSE CIGAR FUSE SEO 1 FUSE CTSY LP FUSE SEO 2 FUSE POWER SUNROOF RIGHT REAR HEATED SEAT SWITCH REAR ACCESSORY POWER OUTLET DATA LINK CONNECTOR (DLC) I/P JUNCTION BLOCK BODY JUNCTION BLOCK PARKLAMP RELAY INADVERTENT POWER RELAY ACCESSORY POWER OUTLET ACCESSORY POWER OUTLET PASSENGER SEAT DRIVER SEAT SP203 SP410 DIMMER SWITCH ROOF BEACON SWITCH ROOF BEACON RELAY D2 C2 F4 A9 A C2 E6 C4 M H A C2 F11 C8 C9 C1 D1 C5 F C6 F C1 E2 C3 F C7 E C C10 B A A A C6 C1 C1 C A D C5 B C1 E D2 B5 C12 C6 A E F2 C B12 C1 A 16 F4 C1 C8 B L A E A C4 1C C5 D12 F F D11 F5 G C C A A D10 C1 E10 C1 C2 C2 C2 A7 B F7 C1 A5 A1 B12 C1 C C2 D C9 C1 B A8 C1 57 20 F12 C2 B8 C7 A E10 D E1 1 F10 C1 A2 C1 C1 G D12 C1 10 A9 C4 A4 E2 B C2 A C8 B (W/ DUAL DIESEL ONLY) DIESEL ONLY (ONSTAR) (ALLISON) (NOT USED) (BASE PICKUP (UPLEVEL PICKUP, UTILITIES) (CONSOLE) UPLEVEL BASE (ON LEFT SIDE OF ENGINE COMPT) (ON LEFT SIDE OF ENGINE COMPT) (UPPER RIGHT KICK PANEL) (ON LEFT SIDE OF ENGINE) (UNDER LEFT SIDE OF DASH) (RIGHT REAR SIDE OF CARGO AREA) (UPPER LEFT KICK PANEL) G203 G200 G405 TO ECM B FUSE (DIAGRAM 1 OF 4) TO AUXILIARY BATTERY RELAY (DIAGRAM 3 OF 4) FROM AIR FUSE (DIAGRAM 1 OF 4) TO PARK LAMPS FUSE (DIAGRAM 1 OF 4) TO IGN 1 RELAY (DIAGRAM 3 OF 4) FROM FUSE BLOCK (DIAGRAM 4 OF 4) TO FUSE BLOCK (MIR/LOCK FUSE) (DIAGRAM 4 OF 4) FROM RAP FUSE (DIAGRAM 1 OF 4) TO IGN A FUSE (DIAGRAM 2 OF 4)
15A 10A K 30 25A 30A J F 25A 10A 30A 30A 40A 10A 20A 10A 10A 15A 10A 15A 20A 85 10A 15A H 25A 10A 15A 10A G 10A START RUN ACC OFF TEST BULB START RUN ACC OFF TEST BULB START RUN ACC OFF TEST BULB START RUN ACC OFF TEST BULB TEST OFF ACC RUN BULB START E 50A 40A IGNITION SWITCH RED PNK PNK PNK PNK PNK PNK PNK PNK YEL LT GRN PNK YEL GRN ORG ORG ORG ORG RED ORG RED PNK PNK PNK PNK WHT PPL/ WHT PPL/ LT ORG BRN BRN BRN NCA BRN YEL NCA YEL YEL RED PNK PNK PNK PNK PNK PNK PNK PNK YEL YEL NCA PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK NCA NCA NCA ORG NCA BRN NCA NCA RED UNDERHOOD JUNCTION BLOCK EXT LPS FUSE IGN B FUSE RR WPR FUSE RTD MODULE FUSE STUD 1 FUSE RR HVAC FUSE STUD 2 FUSE IGN A FUSE IGN C FUSE STARTER RELAY STUD 1 STUD 2 COMPRESSOR MOTOR RELAY EMERGENCY LIGHT RELAY COMPRESSOR LEVELING MODULE SUSPENSION CONTROL MODULE TRAILER CONNECTOR REAR WINDOW WIPER MODULE FUSE BLOCK CRANK FUSE TURN FUSE SEQ ACCY FUSE RR WIPER FUSE WS WIPER FUSE IGN O FUSE IGN 1 FUSE AIR BAG FUSE SEO IGN FUSE CRUISE FUSE WINDSHIELD WIPER MOTOR MODULE TURN SIGNAL/ MULTI- FUNCTION SWITCH CRUISE CONTROL MODULE INFLATABLE RESTRAINT I/P MODULE SWITCH INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL CLUSTER (IPC) BODY CONTROL MODULE CRUISE CONTROL ON/OFF SWITCH VEHICLE INTERFACE UNIT (VIU) REAR WIPER WASHER SWITCH WINDSHIELD WASHER SWITCH BODY JUNCTION BLOCK CELLULAR PHONE READY WIRING INSIDE TEMPERATURE SENSOR ASSEMBLY TRACTION ASSIST SWITCH OUTSIDE REARVIEW MIRROR TRANSFER CASE SHIFT CONTROL SWITCH BODY CONTROL MODULE CLUTCH PEDAL POSITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) SELECTABLE RIDE SWITCH DRIVER INFORMATION CENTER (DIC) UNDER- HOOD JUNCTION BLOCK B/U LP FUSE ENG 1 FUSE IGN E FUSE O2 A FUSE O2 B FUSE ECM 1 FUSE FUEL HT FUSE A/C CLUTCH RELAY DRL RELAY REAR DEFOG RELAY INTAKE AIR TEMPERATURE (IAT)/ MASS AIR FLOW (MAF) SENSOR PARK/ NEUTRAL POSITION SWITCH ENGINE CONTROL MODULE (ECM) SECONDARY AIR INJECTION (AIR) PUMP RELAY HEATED OXYGEN SENSOR (HO2S) (BANK 2 SENSOR 2) AUTOMATIC TRANSMISSION ENGINE CONTROL MODULE (ECM)/ POWERTRAIN CONTROL MODULE (PCM) HEATED OXYGEN SENSOR (HO2S) (BANK 1 SENSOR 2) EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID SECONDARY FUEL PUMP RELAY HEATED OXYGEN SENSOR (HO2S) (BANK 1 SENSOR 1) HEATED OXYGEN SENSOR (HO2S) (BANK 2 SENSOR 1) BACK-UP LAMP SWITCH FUEL HEATER EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID CAMSHAFT POSITION (CMP) SENSOR C1 19 2 D B C2 C C C C H B C3 C C B C7 C1 A1 C2 C3 F6 F D C1 F E B2 C3 B D1 C1 E6 C4 A10 C1 C2 E2 C2 F2 C1 C4 75 D3 C1 C3 F F10 C1 C10 17 E E C1 C C1 A2 A4 C1 F2 B9 A13 F E2 E C4 D E4 F11 C2 B E4 A3 B B C6 C9 E F E C4 E11 D9 C1 C1 E9 B2 C2 F9 G C9 B6 A C6 1 C1 D8 A4 A10 B A5 A2 B2 A1 C4 D9 C A C4 3 C B C3 E3 B6 A D D8 D D E8 D A2 F9 C2 C1 A9 C1 B6 A6 A D5 D4 D5 D2 B1 C1 B11 (NOT USED) (PICKUP ONLY) (NOT USED) (NOT USED) (M/T) (GAS) (GAS) GAS ONLY (DIESEL) (DIESEL) (NOT USED) (CANADA BUILT) (OTHERS) (CANADA BUILT) (OTHERS) (ALL OTHERS) (4.3L) (GAS) (DIESEL) (CANADA BUILT) (OTHERS) (CANADA BUILT) (OTHERS) (A/T) (M/T) (A/T) (DIESEL) (GAS) (GAS) (GAS) (GAS) (DIESEL) (PART OF PARK/ NEUTRAL POSITION SWITCH (A/T)) (4.3L) (ON LEFT SIDE OF ENGINE COMPT) (ON LOWER LEFT SIDE OF DASH) (UNDER LEFT SIDE OF DASH) (ON LEFT SIDE OF ENGINE COMPT) S112 TO IGN 1 RELAY (DIAGRAM 3 OF 4) FROM CIGAR FUSE (DIAGRAM 1 OF 4) TO I/P JUNCTION BLOCK (DIAGRAM 3 OF 4) TO HTR/ A/C FUSE (DIAGRAM 3 OF 4) TO RETAINED ACCESSORY POWER RELAY (DIAGRAM 4 OF 4) TO IGN 1 RELAY (DIAGRAM 3 OF 4)
15A 15A 10A I J 10A 10A 10A 125A A 15A G 25A 15A 15A H 25A F IGN 1 RELAY PNK PNK PNK PNK PNK BLK GRY/ BRN BRN BRN ORG ORG ORG BRN BRN BRN NCA BRN NCA BRN PNK BRN BRN BRN BRN BRN NCA BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN RED RED BLK BLK BRN BRN BRN BRN RED BRN PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK UNDER- HOOD JUNCTION BLOCK ECM 1 FUSE INJ B FUSE ETC FUSE INJ A FUSE ECM PRV FUSE FUEL INJECTOR 5 INJECTOR CONTROL MODULE (ICM) FUEL INJECTOR 3 FUEL INJECTOR 7 FUEL INJECTOR 6 ENGINE CONTROL MODULE (ECM)/ POWERTRAIN CONTROL MODULE (PCM) ENGINE CONTROL MODULE (ECM)/ FUEL INJECTOR 1 IGNITION COIL 3 IGNITION COIL 5 IGNITION COIL 1 FUEL INJECTOR 8 IGNITION COIL 7 IGNITION COIL IGNITION COIL 2 FUEL INJECTOR 4 FUEL INJECTOR 2 IGNITION COIL 4 IGNITION COIL 8 IGNITION COIL DRIVER IGNITION COIL 6 IGNITION COIL 1 FUSE BLOCK HTR/ A/C FUSE IGN 3 FUSE 4WD FUSE HVAC 1 FUSE BRAKE FUSE BLOWER MOTOR SWITCH LEFT FRONT HEATED SEAT SWITCH HVAC CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE MEMORY SEAT MODULE ELECTRONIC BRAKE CONTROL MODULE (EBCM) MEMORY SEAT MODULE LEFT REAR HEATED SEAT MODULE RIGHT REAR HEATED SEAT MODULE CLUTCH PEDAL POSITION SWITCH STOPLAMP SWITCH I/P JUNCTION BLOCK AUXILIARY BATTERY RELAY FRONT AXLE ACTUATOR POWERTRAIN CONTROL MODULE (PCM) AIR TEMPERATURE ACTUATOR MEGA FUSE MODE ACTUATOR COMPRESSOR LEVELING RELAY RELAY MODE ACTUATOR SUSPENSION CONTROL MODULE FRONT PASSENGER HEATED SEAT SWITCH RECIRCULATION ACTUATOR RECIRCULATION ACTUATOR AIR TEMPERATURE ACTUATOR RIGHT BATTERY I/P JUNCTION BLOCK HEATER AUXILIARY BLOWER MOTOR RESISTOR B C2 119 C1 5 C1 79 A11 C1 C2 44 C C C C2 B C3 E C1 F6 B1 C3 D C C3 G B10 K C1 C2 C1 E3 A1 D E C1 D G C4 C1 G C7 A D C3 C1 C3 D1 C C5 5 5 5 F2 B 5 5 5 F1 C1 K F3 C1 E10 B A L P 13 C4 C D2 C2 B E6 A D D D D B B L E7 H J B C12 D D D D A E12 B B D10 B D B E C10 B9 C1 19 C2 C11 A1 (GAS) (DIESEL) GAS DIESEL (GAS) (DIESEL) (GAS) (DIESEL) DIESEL GAS (OTHER GAS) (ALL OTHER GAS) (4.3L) (ALL OTHER GAS) (4.3L) (DIESEL) (GAS) (4.3L) ALL OTHER GAS ALL OTHER GAS 4.3L 4.3L (ALL GAS) (EXCEPT 4.3L) (EXCEPT 4.3L) (OTHER) (4.3L) (OTHER) (4.3L) (MANUAL) (EXCEPT PICKUP) (UPLEVEL PICKUPS & UTILITIES) (PICKUP ONLY) (BASE) (4.3L) (MANUAL) (AUTO ECC) (ON LEFT SIDE OF ENGINE COMPT) (ENG HARN) (ENG HARN) (ON LOWER LEFT SIDE OF DASH) (ENGINE HARNESS) (ON LOWER RIGHT SIDE OF DASH) (LEFT REAR OF ENGINE) (ON LOWER RIGHT SIDE OF DASH) G114 S152 S154 S199 S104 FROM ENG 1 FUSE (DIAGRAM 2 OF 4) FROM ECM B FUSE (DIAGRAM 1 OF 4) FROM IGN C FUSE (DIAGRAM 2 OF 4) FROM CRUISE FUSE (DIAGRAM 2 OF 4) FROM FUSE LINK (DIAGRAM 1 OF 4) FROM RR HVAC FUSE (DIAGRAM 2 OF 4) TO A/C AUXILIARY BLOWER MOTOR RESISTOR ASSEMBLY (DIAGRAM 4 OF 4)
L D 10A 25A 10A K RELAYS I 20A 3A 25A RETAINED ACCESSORY POWER RELAY GRN DK BLK NCA ORG GRN DK DK GRN DK GRN GRN DK GRN DK GRN DK GRN DK GRN DK GRN DK BLK RED BLK DK GRN BLK BRN BRN BRN BRN NCA NCA BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN NCA BRN ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG NCA NCA NCA ORG ORG ORG ORG RED ORG FUSE BLOCK SEATS CIRCUIT BREAKER MIR/ LOCK FUSE DOOR LOCK FUSE DOOR LOCK RELAY DOOR UNLOCK RELAY DRIVER DOOR UNLOCK RELAY PWR WDO CB RDO 1 FUSE RAP 2 FUSE BODY CONTROL MODULE (BCM) BODY JUNCTION BLOCK FUSE BLOCK VEHICLE INTERFACE UNIT (VIU) I/P JUNCTION BLOCK LEFT POWER WINDOW/ DOOR LOCK SWITCH LEFT POWER DOOR LOCK SWITCH RADIO FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER DOOR LOCK SWITCH DRIVER DOOR LOCK SWITCH FRONT PASSENGER WINDOW/ DOOR LOCK SWITCH DRIVER SEAT ADJUSTER SWITCH DRIVER MEMORY SEAT SWITCH OUTSIDE REAR VIEW MIRROR SWITCH REAR CARGO DOOR LOCK SWITCH MEMORY SEAT SWITCH DRIVER WINDOW/ DOOR LOCK SWITCH FRONT PASSENGER WINDOW/ DOOR LOCK SWITCH FRONT PASSENGER WINDOW/ DOOR LOCK SWITCH REAR AUXILIARY HVAC CONTROL ASSEMBLY FRONT AUXILIARY HVAC CONTROL ASSEMBLY A/C AUXILIARY BLOWER MOTOR RESISTOR ASSEMBLY AIR TEMPERATURE ACTUATOR AIR TEMPERATURE SENSOR MODE ACTUATOR MODE ACTUATOR A/C AUXILIARY BLOWER MOTOR RESISTOR ASSEMBLY REAR HVAC CONTROL MODULE A C2 F11 C1 A7 C7 E C1 B4 M H C6 C C2 F C1 9 C1 E7 A9 K C4 C1 E5 B6 10 10 C2 D C A2 A2 5 5 B1 C2 D B C6 C1 F7 H A C1 B C1 C4 L G E E A A A C14 B A C1 C9 E C1 A6 C2 A10 B7 (UPLEVEL ONLY) (NOT USED) UTILITIES PICKUP (PICKUP ONLY) (UTILITIES) (PICKUP) (PICKUP) (EXCEPT PICKUP) (UTILITIES) (PICKUP) (UTILITIES) UPLEVEL & 4-DOOR BASE PICKUP BASE UTILITY UPLEVEL ALL BASE UTILITY ONLY RIGHT FULL FEATURE SEAT LEFT FULL FEATURE SEAT LEFT POWER SEAT RIGHT POWER SEAT W/ AUTO ECC W/ HEAT & A/C W/ HEAT OR A/C W/ SUNROOF W/O SUNROOF (ON LOWER LEFT SIDE OF DASH) (UNDER LEFT SIDE OF DASH) FROM RAP FUSE (DIAGRAM 1 OF 4) FROM FUSE BLOCK (DIAGRAM 2 OF 4) TO RAP 2 RELAY (DIAGRAM 1 OF 4) INSTRUMENT CLUSTER & SOUND SYSTEMS FROM I/P JUNCTION BLOCK (DIAGRAM 3 OF 4)