Chevrolet TrailBlazer I (2001-2006) nca wiring diagrams

nca wiring diagram (1 of 47)

13 12 34 72 TR SW P TR SW B 4.2L 5.3L BACKUP FUSE 27 BACKUP LAMP BATTERY B/U LMP VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) DK GRN WIRE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START LEFT TAILLAMP CIRCUIT BOARD LT GRN WIRE MIRRORS SYSTEM (AUTOMATIC DAY/ NIGHT MIRROR) NCA WIRE PARK/ NEUTRAL POSITION SWITCH PARK/NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANSMISSION, ABOVE FLUID PAN) PNK WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REAR FUSE BLOCK (BELOW LEFT REAR SEAT) TBC 5 FUSE 32 RIGHT TAILLAMP BACKUP LAMP CIRCUIT BOARD SER DATA SERIAL DATA TR SW A TR SW C TRAILER CONNECTOR (LOWER LEFT SIDE OF ENGINE) TRLR B/U FUSE 4 UNDER- HOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

Go to component -> Back-up lamps circuit -> NCA WIRE

nca wiring diagram (2 of 47)

1317 28 HEADLIGHTS SYSTEM HORNS SYSTEM FOG LAMP RELAY CTRL HORN RELAY CTRL 2282 1140 1969 1970 5363 WIPER/WASHER SYSTEM 80 307 306 WARNING SYSTEMS HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM BAT POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CLASS 2 SERIAL DATA DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR LOCKS SYSTEM POWER WINDOWS SYSTEM GROUND BACK UP LAMP PWR BAT POSTIVE VOLTAGE LED DIMMING SUPPLY ACCESSORY VOLTAGE GROUND RAP RELAY CTRL DOOR UNLOCK RLY CTRL PARK LAMP RLY CTRL GRY WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM DRL DEF ON IND CTRL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN ACC, RUN OR START HOT IN RUN HOT IN RUN OR START INCLNE SEN ALRM ON SIG INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM KEY IN IGN SW SIG FLASH-TO-PASS SW SIG PARK LPS SW SIG LF DOOR AJAR SW SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MIDGATE SW UP SIG NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (ON PARKING BRAKE ASSEMBLY) PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM DOOR LOCKS SYSTEM EXTERIOR LIGHTS SYSTEM PPL (GMC) TRUNK, TAILGATE, FUEL DOORS SYSTEM MIDGATE AJAR IND SW REAR FUSE BLOCK RED/WHT WIRE RR DOOR AJAR SW SIG PARK BRAKE SW SIG DOOR LOCK RLY CTRL LR PWR WND LKOUT CTRL TAN WIRE TBC 2 FUSE 7 TBC 3 FUSE 4 TBC 4 FUSE 40 TBC 5 FUSE 32 TBC ACC FUSE 31 TBC IG FUSE 50 TBC IGN 1 FUSE 16 TBC RUN FUSE 52 UNDERHOOD FUSE BLOCK TBC 1 FUSE 31 WHT WIRE YEL WIRE

Go to component -> Body control modules circuit -> NCA WIRE

nca wiring diagram (3 of 47)

BAT SPLY VOLT PPL BLK WIRE BRN WIRE COIL COMPUTER DATA LINES SYSTEM DRIVER DOOR MODULE (DDM) (BELOW DRIVER DOOR SWITCH PANEL) DRIVER OUTSIDE REARVIEW MIRROR EGM 2 LGM 2 FUSE 3 (XUV) (EXCEPT XUV) FRONT PASSENGER DOOR MODULE (FPDM) (BELOW FRONT PASSENGER DOOR SWITCH PANEL) GRD HTR HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) LT BLU WIRE NCA WIRE ORG/ WIRE PASSENGER OUTSIDE REARVIEW MIRROR PPL PPL EXCEPT XUV R DEF REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REAR WINDOW DEFOGGER GRID REAR WINDOW DEFOGGER GRID SERIAL DATA TAN WIRE WHT WIRE XUV

Go to component -> Defoggers circuit -> NCA WIRE

nca wiring diagram (4 of 47)

17 9 CLASS 2 DATA LOW REF AJAR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE BRN/WHT WIRE CLASS 2 DATA CLASS 2 DATA HEADLAMP RELAY CTRL CLASS 2 DATA HORN RELAY CTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR AJAR SIG DOOR AJAR SWITCH DOWN DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (BELOW DRIVER'S DOOR SWITCH PANEL) ENDGATE KEY CYLINDER SWITCH ENDGATE MODULE (XUV) (CENTER OF ENDGATE) FRONT PASSENGER DOOR LATCH ASSEMBLY FRONT PASSENGER DOOR MODULE (BELOW FRONT PASSENGER DOOR SWITCH PANEL) GRY WIRE GRY/BLK WIRE HEAD- LAMPS SYSTEM HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER KEY CYL DOWN SIG KEY CYL UP SIG KEY SWITCH KEY SWITCH SIG LEFT REAR DOOR JAMB SWITCH LIFTGATE AJAR SIG LIFTGATE AJAR SWITCH LIFTGATE MODULE (EXCEPT XUV) (CENTER OF LIFTGATE) LIFTGLASS AJAR SWITCH LL AJAR SIG LOW REF LOWER LEFT ENDGATE ACTUATOR LT BLU WIRE LT GRN WIRE NCA WIRE PNK/BLK WIRE PPL PPL DATA LINK CONNECTOR (DLC) (ON BOTTOM LEFT SIDE OF DASH) PPL LIFTGLASS AJAR SIG PPL/WHT WIRE REAR FUSE BLOCK REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RIGHT REAR DOOR JAMB SWITCH SECURITY TAN WIRE TAN/WHT WIRE TBC 2 FUSE 7 TBC 3 FUSE 4 TBC 4 FUSE 40 TBC 5 FUSE 32 TRUNK, TAILGATE, FUEL DOORS SYSTEM UL AJAR SIG UPPER LEFT ENDGATE ACTUATOR UPPER RIGHT ENDGATE ACTUATOR UR AJAR SIG YEL WIRE

Go to component -> Forced entry circuit -> NCA WIRE

nca wiring diagram (5 of 47)

59 58 58 59 DATA DATA BATTERY GROUND SERIAL DATA SENSOR SIG GROUND BLK WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT) COMPUTER DATA LINES DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL DK GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER LT GRN WIRE NCA WIRE ORG/ WIRE PASSLOCK SENSOR (AT IGNITION SWITCH) PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RED/WHT WIRE RTN DATA REF SECURITY IND SENSOR RET SERIAL DATA SPLICE PACK TBC 1 FUSE 31 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

Go to component -> Pass-key circuit -> NCA WIRE

nca wiring diagram (6 of 47)

2 3 4 PNK PNK WIRE AIR FUSE 56 AIR SOL FUSE 54 AIR SOL RELAY 55 BLK WIRE BRN WIRE DK GRN/WHT WIRE ENG I FUSE 26 ENGINE OIL PRESSURE SWITCH (RIGHT SIDE OF ENGINE BLOCK) EVAPORATIVE EMISSION CANISTER PURGE SOLENOID (ON THROTTLE BODY) EVAPORATIVE EMISSION CANISTER VENT SOLENOID (AT REAR OF FUEL TANK) F/PMP RELAY 41 FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GRY WIRE HOT AT ALL TIMES HOT IN RUN, START LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PCM B FUSE 10 PNK PNK 2 3 WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE SECONDARY AIR INJECTION PUMP SECONDARY AIR INJECTION PUMP RELAY SECONDARY AIR INJECTION SOLENOID TAN/BLK WIRE UNDER- HOOD FUSE BLOCK VEHICLE SPEED SENSOR (LEFT REAR OF TRANSFER CASE) WHT WIRE

Go to component -> Wiring diagram engine performance 4.2l vin s (2 of 5) -> NCA WIRE

nca wiring diagram (7 of 47)

1-2 SHIFT SOL CTRL 2-3 SHIFT SOL CTRL 3-2 SHIFT SOL ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE CAM POS SOL HI CAMSHAFT ACTUATOR SOLENOID ASSEMBLY (RIGHT FRONT OF CYLINDER HEAD) CKP SENS SIG DELIV TORQUE SIG DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF ENGINE BLOCK) EVAP CAN PRG CTL EVAP CAN VENT FUEL INJ 1 FUEL INJ 2 FUEL INJ 3 FUEL INJ 4 FUEL INJ 5 FUEL INJ 6 FUSE 29 10 GFD CYC SIG GROUND GRY WIRE HEATED OXYGEN SENSOR 1 (ON EXHAUST MANIFOLD, RIGHT SIDE OF ENGINE) HEATED OXYGEN SENSOR 2 (DOWNSTREAM OF CATALYTIC CONVERTER) HOT IN RUN, START IC 1 CTRL IC 2 CTRL IC 3 CTRL IC 4 CTRL IC 5 CTRL IC 6 CTRL INJECTORS LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (UPPER LEFT SIDE OF ENGINE) MAP SENS SIG NCA WIRE OIL PRES SW SIG ORG/BLK WIRE PC SOL HIGH CTRL PC SOL LOW CTRL PNK PNK 2 3 WIRE PNK PNK PNK PNK PNK PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (UPPER LEFT SIDE OF ENGINE) PPL PPL 21 22 23 PPL/WHT WIRE PRIM FUEL PMP REL RED/BLK WIRE RED/WHT WIRE REQ TORQUE SIG STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC SOL VLV CTRL TRNS RG SW SIG A UNDER- HOOD FUSE BLOCK PCM I FUSE 28 VSS HIGH SIG VSS LOW SIGNAL WHT WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Wiring diagram engine performance 4.2l vin s (3 of 5) -> NCA WIRE

nca wiring diagram (8 of 47)

1-2 SHIFT 2-3 SHIFT 3-2 SHIFT AUTOMATIC AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRN WIRE CONTROL SOLENOID CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE IGN IGNITION COILS LO SW LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PNK 4 5 WIRE PNK PNK PNK PNK PNK PNK PNK WIRE PNK WIRE PPL PPL 21 22 23 PRESSURE RED WIRE RED/BLK WIRE RED/WHT WIRE REV SW SENSOR SOLENOID SPARK PLUG SW SW TAN WIRE TAN/BLK WIRE TCC PMW TCC SOLENOID TEMPERATURE FLUID TRANSMISSION UNDER- HOOD FUSE BLOCK UNDER- HOOD JUNCTION BLOCK VALVE WHT WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Wiring diagram engine performance 4.2l vin s (4 of 5) -> NCA WIRE

nca wiring diagram (9 of 47)

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (TOP REAR OF ENGINE BLOCK) DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE F/PMP RELAY 41 FUEL PUMP, SENDER ASSEMBLY (INSIDE FUEL TANK) GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 1) (LEFT EXHAUST PIPE, AHEAD OF CONVERTER) HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) (LEFT EXHAUST PIPE, BEHIND CONVERTER) HEATED OXYGEN SENSOR (BANK 2 SENSOR 1) (RIGHT EXHAUST PIPE, AHEAD OF CONVERTER) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (RIGHT EXHAUST PIPE, BEHIND CONVERTER) HOT AT ALL TIMES KNOCK SENSOR #2 KNOCK SENSOR 1 LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PARK/ NEUTRAL POSITION SWITCH (ON LOWER LEFT SIDE OF TRANS- MISSION) PCM B FUSE 10 PNK 1 2 3 4 5 WIRE PNK 4 5 WIRE PNK PNK 26 27 WIRE PNK PNK 6 7 8 9 10 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK WIRE PPL PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

Go to component -> Wiring diagram engine performance 5.3l vin p (2 of 5) -> NCA WIRE

nca wiring diagram (10 of 47)

29 30 31 PNK WIRE 3212 23 STARTING/ CHARGING SYSTEM A/C PRESS SENS GEN ON SIG A/C SYSTEM A/C SYSTEM STARTING/CHARGING SYSTEM TRANSMISSION SYSTEM (TRANSFER CASE CIRCUIT) ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM INSTRUMENT CLUSTER SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COOLING FANS SYSTEM CRANK FUSE CTRL DELIVERED TORQ PC SOL HI CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENG I FUSE 26 ENGINE SPEED SIGNAL EVAP PURGE EVAP VENT CTRL MIL CTRL 2-3 SS CTRL 1-2 SS CTRL VSS OUT VSS OUT TFT SENS SIG GEN FIELD GRY WIRE GRY/BLK WIRE HOT IN HOT IN RUN, START IGN IGN E FUSE 22 IGNITION COILS INSTRUMENT PANEL CLUSTER MALFUNCTION INDICATOR LAMP LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PC SOL LO CTRL PMP RLY CTRL ENGINE SPEED PCM I FUSE 28 PNK PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LOWER LEFT FRONT OF ENGINE) PPL PPL FUEL LEV SIG PPL IGN CTRL 8 IGN CTRL 2 IGN CTRL 5 IGN CTRL 3 PPL PNK PNK WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REF LO SPARK PLUG SPARK PLUG SPARK PLUG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC SOL CTRL A/C CLU RLY UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VSS LOW SIG VSS HIGH SIG WHT WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Wiring diagram engine performance 5.3l vin p (5 of 5) -> NCA WIRE

Chevrolet TrailBlazer I (2001-2006) nca Wiring diagrams

nca wiring diagram (1 of 47)

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nca wiring diagram (2 of 47)

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nca wiring diagram (3 of 47)

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nca wiring diagram (4 of 47)

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nca wiring diagram (5 of 47)

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nca wiring diagram (6 of 47)

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nca wiring diagram (7 of 47)

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nca wiring diagram (8 of 47)

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nca wiring diagram (9 of 47)

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nca wiring diagram (10 of 47)

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