Chevrolet·Blazer 4Wd·2005 Chevrolet Blazer 4WD·Wiring
Wiring diagram

2005 Chevrolet Blazer 4WD — power distribution

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Power distribution

START B C H G F E ACC LOCK OFF RUN START START RUN OFF LOCK ACC ACC LOCK OFF RUN START START RUN OFF LOCK ACC 30A 30A D A 6 4 5 2 3 1 15A 20A 15A 10A RUN OFF LOCK ACC 40A 175A CALIFORNIA (NOT USED) SECONDARY AIR INJECTION REACTOR FUSE BLOCK BATTERY AIR RELAY SECONDARY AIR INJECTION REACTOR PUMP STARTER GENERATOR UNDERHOOD FUSE BLOCK STARTER RELAY IGNITION COIL POWERTRAIN CONTROL MODULE (PCM) IGNITION CONTROL MODULE (ICM) FUEL INJECTORS CENTRAL SEQUENTIAL FUEL INJECTION I/P FUSE BLOCK INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) MULTI- FUNCTION SWITCH INSTRUMENT PANEL CLUSTER (IPC) BODY CONTROL MODULE (BCM) (IN AIR JUMPER HARNESS, BETWEEN G100 & BREAKOUT TO ENGINE HARNESS, 5 CM FROM BREAKOUT TO ENGINE HARNESS) (ON TOP OF LEFT FRONT INNER WHEELWELL) FUSIBLE LINK AIR SOL FUSE AIR FUSE BATTERY FUSE ECM I FUSE IGN A FUSE IGNITION SWITCH TURN FUSE 10 GAUGES FUSE 4 SIR FUSE 16 RED ORG ORG BRN BRN WHT WHT YEL YEL RED/WHT RED PNK PNK PNK PNK PNK NCA BLK PNK/ RED RED RED RED RED RED BLK PNK PNK PNK PNK PNK RED PNK PNK YEL PNK PNK PNK PNK PNK RED RED RED BLK C6 D6 C1 D1 E10 A10 C2 A B C2 C1 C1 A 19 A A B10 B J L H D E C10 D10 F10 A2 A1 A7 C1 B2 B1 C5 A9 C1 B11 B S153 S105 TO IGN C FUSE (DIAGRAM 2 OF 5) TO ENG I FUSE (DIAGRAM 2 OF 5) FROM IGN C FUSE (DIAGRAM 2 OF 5) FROM IGN B FUSE (DIAGRAM 2 OF 5) TO S204 (DIAGRAM 5 OF 5) TO CRANK FUSE (DIAGRAM 4 OF 5) TO RAP RELAY (DIAGRAM 5 OF 5) TO CLSTR FUSE (DIAGRAM 4 OF 5)
L K 20A 15A C B I 30A 87 20A 20A 30A 60A 50A 20A D 10A 25A 20A 10A A M/T A/T CHASSIS PACKAGE (CALIFORNIA) (POWER AUX) UNDERHOOD FUSE BLOCK REAR WINDOW DEFOGGER RELAY A/C COMPRESSOR CLUTCH RELAY AIR RELAY PARK/ NEUTRAL POSITION (PNP) SWITCH DAYTIME RUNNING LAMP (DRL) RELAY BACK-UP LAMP SWITCH HEATED OXYGEN SENSOR (HO2S) (BANK 2 SENSOR 1) HEATED OXYGEN SENSOR (HO2S) (BANK 1 SENSOR 2) HEATED OXYGEN SENSOR (HO2S) (BANK 1 SENSOR 1) SECONDARY AIR INJECTION FUSE BLOCK MASS AIR FLOW (MAF) SENSOR EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID UNDERHOOD FUSE BLOCK TRAILER WIRING PROVISION MULTI- FUNCTION SWITCH BLOWER MOTOR RELAY ELECTRONIC BRAKE CONTROL MODULE (EBCM) HEADLAMP GROUNDING RELAY PARK LAMP RELAY HEADLAMP SWITCH BODY RELAY BLOCK UNDERHOOD FUSE BLOCK FUEL PUMP RELAY FOG LAMP RELAY DAYTIME RUNNING LAMP (DRL) RELAY EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID POWERTRAIN CONTROL MODULE (PCM) (ON TOP OF LEFT FRONT INNER WHEELWELL) (IN OXYGEN SENSOR JUMPER HARNESS, 36 CM FROM C100) (ON TOP OF LEFT FRONT INNER WHEELWELL) (BEHIND LEFT SIDE OF DASH, NEAR DASH FUSE BLOCK) (ON TOP OF LEFT FRONT INNER WHEELWELL) B/U LP FUSE IGN E FUSE OXYGEN FUSE ENG I FUSE IGN C FUSE HVAC FUSE STUD 2 FUSE ABS FUSE IGN B FUSE HAZ LP FUSE PARK LP FUSE ECM B FUSE FOG LP FUSE PNK PNK ORG ORG ORG ORG RED/WHT RED PNK PNK PNK ORG ORG ORG ORG ORG RED RED RED ORG PNK PNK PNK PNK NCA NCA PNK PNK NCA PNK PNK PNK A C3 F2 57 C1 20 A8 C2 B8 C1 C2 B 2 B D12 C1 B F7 B12 F12 A4 C6 A D2 D5 B C5 C1 A2 C D9 C1 E8 C2 C8 D D D F9 A9 C A B9 S100 FROM ECM I FUSE DIAGRAM 1 OF 5) FROM IGN A FUSE DIAGRAM 1 OF 5) TO RAP FUSE (DIAGRAM 3 OF 5) TO IGN SWITCH (DIAGRAM 1 OF 5) TO IGN SWITCH (DIAGRAM 1 OF 5) FROM INT BAT FUSE (DIAGRAM 3 OF 5) TO TBC FUSE (DIAGRAM 4 OF 5)
N K 10A 15A 15A J J 10A 15A 25A 25A I 50A 50A G204 G203 (W/ POWER SEAT) 4 DOOR 2 DOOR W/O MEMORY W/ MEMORY (ELECTRIC SHIFT CONTROL) W/O OVERHEAD CONSOLE W/ OVERHEAD TRIP CONSOLE W/ OVERHEAD (UTILITY) (W/O SUNROOF) (W/ SUNROOF) (W/O TRIP COMPUTER) UNDERHOOD FUSE BLOCK BODY RELAY BLOCK I/P FUSE BLOCK DRIVER SEAT ADJUSTER SWITCH DRIVER MEMORY SEAT MODULE HEADLAMP SWITCH RADIO INSTRUMENT PANEL CLUSTER (IPC) FRONT PASSENGER SEAT ADJUSTER SWITCH DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SWITCH I/P FUSE BLOCK BODY RELAY BLOCK DATA LINK CONNECTOR (DLC) RIGHT CONSOLE COURTESY LAMP LEFT CONSOLE COURTESY LAMP INADVERTENT POWER LAMP RELAY TRANSFER CASE SHIFT CONTROL MODULE BODY RELAY BLOCK CARGO LAMP DOOR UNLOCK RELAY DRIVER DOOR UNLOCK RELAY DOOR LOCK RELAY SP203 DOME LAMP DOME LAMP DRIVER INFORMATION CENTER (DIC) DRIVER INFORMATION CENTER (DIC) GARAGE DOOR OPENER DOME LAMP (ON TOP OF LEFT FRONT INNER WHEELWELL) (BEHIND LEFT SIDE OF DASH, NEAR DASH FUSE BLOCK) (IN AUXILIARY POWER TRAY HARNESS, 9.5 CM FROM IN-LINE DASH CONNECTOR) (IN BODY HARNESS, BEFORE BREAKOUT TO LEFT & RIGHT REAR DOORS) (IN LEFT POWER SEAT HARNESS) (BEHIND RIGHT SIDE OF DASH, BETWEEN C203 & SPLICE PACK) (IN DASH HARNESS, BETWEEN RADIO & RIGHT CONSOLE COURTESY LAMP BREAKOUT, 4 CM FROM BREAKOUT TO LAMP) (BEHIND LEFT SIDE OF DASH, NEAR DASH FUSE BLOCK) (IN FRONT OF ASHTRAY, STRAPPED TO BODY HARNESS) (BEHIND RIGHT SIDE OF DASH, BETWEEN C203 & SPLICE PACKS) RAP FUSE INT BAT FUSE POWER SEATS CIRCUIT BREAKER AUX PWR FUSE 13 RDO BAT FUSE 19 HDLP SW FUSE 7 RIGHT AUXILIARY POWER OUTLET LEFT AUXILIARY POWER OUTLET CTSY LP FUSE 8 PWR LCKS FUSE 14 CIGAR LTR FUSE 2 CIGAR LIGHTER ORG BLK ORG ORG ORG ORG ORG ORG BLK BLK BLK ORG ORG ORG ORG ORG NCA ORG ORG ORG NCA ORG ORG ORG NCA NCA ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG BLK BLK ORG ORG RED ORG RED RED ORG ORG RED ORG RED A B B A C301 C H A A A A10 B1 C3 A A B A C1 14 A2 A5 A4 C6 A A B 16 J B A F9 D B C6 B1 C5 A E1 S223 S268 S304 S311 S269 S208 S310 FROM ABS FUSE (DIAGRAM 2 OF 5) TO HI BEAM FUSE (DIAGRAM 2 OF 5) TO PWR LCKS FUSE 14 (DIAGRAM 3 OF 5) TO RAP RELAY (DIAGRAM 5 OF 5) FROM S223 DIAGRAM 3 OF 5)
3A F 10A E 10A M 15A 10A M 20A 20A 20A 10A L PUSH BUTTON CONTROL PUSH BUTTON CONTROL ELECTRIC SHIFT CONTROL ELECTRIC SHIFT CONTROL W/ RKE (FLASH TO PASS) 4WD PUSH BUTTON CONTROL ELECTRIC SHIFT CONTROL (A/T) A/T (W/ FLOOR SHIFT A/T) UNDERHOOD FUSE BLOCK HEADLAMP POWER RELAY REAR WINDOW DEFOGGER RELAY TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE MULTI- FUNCTION SWITCH STOPLAMP SWITCH FRONT PASSENGER SEAT LUMBAR SWITCH DRIVER SEAT LUMBAR SWITCH FRONT PASSENGER HEATED SEAT ASSEMBLY DRIVER HEATED SEAT ASSEMBLY BODY CONTROL MODULE REMOTE CONTROL DOOR LOCK RECEIVER UNDER- HOOD FUSE BLOCK HORN RELAY A/C COMPRESSOR CLUTCH RELAY LIFT- GLASS RELAY BODY RELAY BLOCK FRONT PASSENGER DOOR LOCK/ WINDOW SWITCH OUTSIDE REAR VIEW MIRROR SWITCH LIFTGLASS OR ENDGATE LOCK CYLINDER SWITCH DRIVER DOOR LOCK/ SIDE WINDOW SWITCH TRANSFER CASE SHIFT CONTROL MODULE CLUTCH START SWITCH PARK/ NEUTRAL POSITION (PNP) SWITCH REAR WINDOW WIPER MOTOR CONTROLLER I/P FUSE BLOCK INSTRUMENT PANEL CLUSTER (IPC) AUTOMATIC TRANSMISSION SHIFT LOCK ACTUATOR AUTOMATIC TRANSMISSION POWERTRAIN CONTROL MODULE (PCM) (ON TOP OF LEFT FRONT INNER WHEELWELL) (IN RIGHT POWER SEAT HARNESS, 20 CM FROM C315) (IN LEFT POWER SEAT HARNESS, 20 CM FROM C317) (BEHIND LEFT SIDE OF DASH, NEAR DASH FUSE BLOCK) (IN BODY HARNESS, BETWEEN BLOWER MOTOR & BLOWER MOTOR RELAY BREAKOUT, 13 CM FROM BLOWER MOTOR BREAKOUT) (IN ENGINE HARNESS, BETWEEN MAP SENSOR & EOP SENSOR BREAKOUTS, 10 CM FROM MAP SENSOR BREAKOUT) HTD SEAT FUSE STOP LP FUSE TBC FUSE ATC FUSE MIR/LKS FUSE RR W/W FUSE A/C FUSE CRANK FUSE CLSTR FUSE 11 ORG PPL PPL PPL ORG ORG NCA ORG/BLK PNK PNK PNK NCA NCA ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG PNK PNK PNK WHT PPL PPL PPL YEL ORG BLK ORG/ ORG ORG ORG C E11 D C1 D C1 D G F10 F12 E12 A5 H A H A E10 C1 D4 E5 C1 C2 D C C1 C175 F 75 C1 E A8 C1 E D16 C2 E2 D3 C1 C3 C1 C C1 E1 D14 D15 D5 B A1 E2 1 C1 E4 C1 A2 S314 S321 S113 S116 FROM ECU B FUSE (DIAGRAM 2 OF 5) TO A/C FUSE (DIAGRAM 4 OF 5) FROM IGNITION SWITCH PIN D1 (DIAGRAM 1OF 5) FROM ATC FUSE (DIAGRAM 4 OF 5) FROM IGNITION SWITCH PIN C1 (DIAGRAM 1 OF 5)
10A O 10A 20A O 10A 10A H 15A 25A 10A 30A N G (4 DOOR) (2 DOOR) (4WD) (W/ REAR WINDOW WIPER SYSTEM) (W/O TRIP) (W/ TRIP) ELECTRIC SHIFT CONTROL 4 DOOR EXCEPT BASE PUSH BUTTON CONTROL (PUSH BUTTON CONTROL) (W/ AUTOMATIC DAY/NIGHT MIRROR) BODY RELAY BLOCK FRONT PASSENGER DOOR LOCK & WINDOW SWITCH SUNROOF CONTROL MODULE WINDOW LOCKOUT SWITCH DRIVER DOOR LOCK & WINDOW SWITCH BODY CONTROL MODULE I/P FUSE BLOCK REAR WIPER/ WASHER SWITCH & ENDGATE/ LIFTGATE WINDOW RELEASE SWITCH INSTRUMENT PANEL CLUSTER TRANSFER CASE SHIFT CONTROL SWITCH SP200 WINDSHIELD WIPER MOTOR MULTIFUNCTION SWITCH BODY CONTROL MODULE MULTI- FUNCTION SWITCH CRUISE CONTROL MODULE SUNROOF SWITCH DRIVER INFORMATION CENTER RADIO ELECTRONIC BRAKE CONTROL MODULE (EBCM) STOP- LAMP SWITCH CLUTCH START SWITCH FRONT AXLE INDICATOR SWITCH FRONT PASSENGER SEAT LUMBAR SWITCH DRIVER SEAT LUMBAR SWITCH TRANSFER CASE SHIFT CONTROL MODULE FRONT AXLE VACUUM SOLENOID I/P FUSE BLOCK HVAC CONTROL ASSEMBLY AIR TEMPERATURE ACTUATOR INSIDE REAR VIEW MIRROR HVAC CONTROL ASSEMBLY (BEHIND LEFT SIDE OF DASH, NEAR DASH FUSE BLOCK) (IN DASH HARNESS, NEAR DASH FUSE BLOCK, 4 CM FROM BREAKOUT TO C217) (STRAPPED TO BODY HARNESS, IN CENTER FRONT OF DASH, TO RIGHT OF SP 204) (IN BODY HARNESS, 17 CM FROM SP 202) (IN DASH HARNESS, IN BREAKOUT TO HEATER CONTROLLER CONNECTORS, 6 CM INTO BREAKOUT) POWER WINDOW CIRCUIT BREAKER RETAINED ACCESSORY POWER (RAP) RELAY CRUISE FUSE 3 4WD FUSE 15 RR WPR FUSE 23 ABS FUSE 22 RDO IGN FUSE 24 FRT WPR FUSE 17 HVAC I FUSE 21 HVAC FUSE 9 BRN DK GRN DK GRN BRN DK GRN BRN BRN BRN DK GRN RED BRN YEL BRN BRN BRN BRN BRN BRN BRN BRN YEL DK GRN DK GRN BRN BRN BRN BRN BRN BRN ORG ORG BRN BRN BRN BRN BRN BRN BRN BRN ORG YEL YEL YEL YEL BRN BRN DK BLU DK BLU DK GRN DK GRN DK GRN DK GRN BRN BLK C2 A D H G C C2 C8 E10 C1 A A C A5 C1 5 C1 7 10 1 C5 C3 2 A C2 C J C C A13 A F B B9 C1 C1 A1 E A E4 C D2 B2 D3 C1 B D B3 C1 L F C1 C3 C1 E2 E3 F3 A7 S204 S203 S217 FROM IGNITION SWITCH PIN D6 (DIAGRAM 1 OF 5) FROM POWER SEATS CIRCUIT BREAKER (DIAGRAM 3 OF 5) FROM IGNITION SWITCH PIN C6 (DIAGRAM 1 OF 5) TO HVAC FUSE (DIAGRAM 5 OF 5) FROM 4WD FUSE (DIAGRAM 5 OF 5)