Jeep Cherokee III (2001-2004) diagnostic junction port (at bottom of steering column) Wiring diagrams

7 15 20 DOOR AJAR SW PCI BUS VTSS IND DRIVER 9 10 11 PCI BUS CYL LCK SW LF AJAR SW 9 11 PCI BUS LF AJAR SW AUTOMATIC HEADLAMP LIGHT SENSOR/VTSS LED BLK WIRE BLK/ORG WIRE BODY CONTROL MODULE (ON LEFT END OF DASH) COMPUTER DATA LINES SYSTEM DIAGNOSTIC JUNCTION PORT (AT BOTTOM OF STEERING COLUMN) DK BLU/WHT WIRE DK GRN WIRE DOOR AJAR SW DRIVER CYLINDER LOCK SWITCH DRIVER DOOR LOCK MOTOR/AJAR SWITCH DRIVER DOOR MODULE FUSE 18 FUSE 22 FUSE 28 FUSE 7 FUSED B (+) FUSED IGN GROUND GRY/ORG WIRE HORN 1 HORN 2 HORN RELAY (IN PDC) HORN RLY CTRL HORN SYSTEM (HORN SWITCH) HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN RUN OR START JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LEFT LIFTGATE AJAR SWITCH LEFT REAR DOOR LOCK MOTOR/AJAR SWITCH RIGHT LIFTGATE AJAR SWITCH LIFTGATE AJAR LIFTGATE AJAR SW LIFTGATE FLIP-UP AJAR SWITCH LT GRN/ORG WIRE PASSENGER DOOR LOCK MOTOR/AJAR SWITCH PASSENGER DOOR MODULE PCI BUS PNK FUSED B (+) WIRE PNK PNK 34 44 WIRE PNK WIRE POWER DISTRIBUTION CENTER (NEXT TO BATTERY) RED WIRE RIGHT REAR DOOR LOCK MOTOR/AJAR SWITCH SENTRY KEY IMMOBLIZER MODULE (NEAR IGNITION LOCK CYLINDER HOUSING) TAN/BLK WIRE TAN/ORG WIRE TAN/RED WIRE TAN/YEL WIRE VIO/YEL WIRE VTSS LED YEL/VIO WIRE YEL/VIO/BLK WIRE YEL/VIO/BRN WIRE YEL/VIO/GRY WIRE YEL/VIO/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 MODE DOOR DRIVER (B) 1 2 3 FUSED RELAY OUT SIGNAL GROUND 17 19 31 ENGINE COOLANT SENS SIG A/C PRESS SIGNAL 5 VOLT SUPPLY A/C COMP RELAY CTRL A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C SWITCH SIGNAL AUTOMATIC ZONE CONTROL MODULE BLK WIRE BLK/LT BLU WIRE BLK/WHT WIRE BLOWER MOTOR (ON PASSENGER SIDE END OF HEATER-A/C HOUSING) BLOWER MOTOR CONTROLLER (ON HEATER-A/C HOUSING, INBOARD OF BLOWER MOTOR) BLOWER MTR SUPPLY BLU WIRE BLWR MTR HIGH DR BODY CONTROL MODULE (ON LEFT END OF DASH, ATTACHED TO JUNCTION BLOCK) COIL CONNECTOR RIGHT REAR OF ENGINE COMPARTMENT) S112 (4.0L) S112 (4.7L) CONTACT DEFOGGER SW SENSE DEFOGGER SYSTEM DIAGNOSTIC JUNCTION PORT (AT BOTTOM OF STEERING COLUMN) DK BLU WIRE DK BLU/ORG WIRE DK BLU/RED WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/YEL WIRE DR BLEND DOOR DR (A) DR BLEND DOOR DR (B) DRIVER BLEND DOOR MOTOR/ACTUATOR (ON FRONT OF HEATER-A/C HOUSING) ENGINE) (4.7L: NEAR BREAKOUT FOR FUEL INJECTOR 1) FOR COIL ON PLUG 8) FUSE 1 FUSE 21 FUSE 11 FUSE 16 FUSE 20 FUSE 21 FUSE 7 FUSED DEFOG RLY OUT GROUND BLOWER MTR CTRL BLOWER MTR SUPPLY GROUND MODE DOOR DRIVER (A) DR BLND DOOR DRIVER (A) GRY/DK BLU WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START HOT W/AUTOMATIC SHUT DOWN (ASD) RELAY ENERGIZED HOT W/REAR WINDOW DEFOGGER RELAY ENERGIZED HYDRAULIC COOLING MODULE (RIGHT FRONT OF ENGINE COMPARTMENT) IGNITION FUSED (B+) PNK WIRE JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LT GRY IN-LINE WIRE MODE DOOR DRIVER (A) MODE DOOR DRIVER (B) MODE DOOR MOTOR/ACTUATOR (ON LEFT END OF HEATER-A/C HOUSING) NCA WIRE ORG/ WIRE ORG/DK GRN WIRE PANEL LAMPS DRIVER PANEL LAMPS DRIVER BLOWER MOTOR CTRL PCI BUS A/C SWITCH SIGNAL PASS BLEND DOOR DR (A) PASS BLEND DOOR DR (B) PASS BLND DR DRIVER (A) DRIVER BLND DR DRIVER (B) PASS BLEND DR DRIVER (B) PASSENGER BLEND DOOR MOTOR/ACTUATOR (ON HEATER-A/C HOUSING) PNK WIRE POWERTRAIN CONTROL MODULE (ON RIGHT SIDE OF FIREWALL) RECIRC DOOR DRIVER (A) RECIRC DOOR DRIVER (B) RECIRC DOOR DRIVER (B) RECIRC DOOR DRIVER (A) RECIRCULATION DOOR MOTOR/ACTUATOR (ON HEATER-A/C HOUSING) RED WIRE RED/BLK WIRE RED/LT GRN WIRE RUN WIRE SENSOR GROUND SIGNAL (4.0L: NEAR BREAKOUT FOR TAN WIRE TAN/BLK WIRE VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/DK BLU WIRE WHT/DK GRN WIRE WHT/PNK WIRE YEL WIRE YEL/DK BLU WIRE YEL/VIO/DK GRN WIRE

10 8 PCI BUS FLASH ENABLE 15 17 PCI BUS FLASH ENABLE ADJUSTABLE PEDALS MODULE AIR BAG CONTROL MODULE (BELOW CENTER FLOOR CONSOLE, NEAR PARK BRAKE) AUTOMATIC ZONE CONTROL MODULE BLK/LT GRN WIRE BLK/ORG WIRE BLK/PNK WIRE BODY CONTROL MODULE (ON LEFT END OF DASH, ATTACHED TO JUNCTION BLOCK) COMPACT DISC CHANGER (PREMIUM) DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH, NEAR STEERING COLUMN) DIAGNOSTIC JUNCTION PORT (AT BOTTOM OF STEERING COLUMN) DRIVER DOOR MODULE (BEHIND LEFT FRONT DOOR PANEL) FUSE 17 HOT AT ALL TIMES INSTRUMENT CLUSTER JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LT GRN WIRE LT GRN/DK GRN WIRE PASSENGER DOOR MODULE (BEHIND RIGHT FRONT DOOR PANEL) PCI BUS PNK SCI TRANSMIT WIRE PNK WIRE PNK/RED WIRE POWER AMPLIFIER (PREMIUM) (UNDER PASSENGER SIDE REAR SEAT CUSHION) POWERTRAIN CONTROL MODULE (ON RIGHT SIDE OF FIREWALL) RADIO RAIN SENSOR (W/ AUTOWIPE) SCI RECEIVE SEAT MODULE (W/ MEMORY SEATS) (UNDER FRONT OF DRIVER'S SEAT) SENTRY KEY IMMOBILIZER MODULE (NEAR IGNITION LOCK CYLINDER HOUSING) TRANSMISSION CONTROL MODULE (W/ 4.7L ENGINE) (ON RIGHT INNER FENDER) VEHICLE INFORMATION CENTER VIO/ORG WIRE VIO/YEL WIRE YEL/VIO WIRE YEL/VIO/BLK WIRE YEL/VIO/BRN WIRE YEL/VIO/DK BLU WIRE YEL/VIO/DK GRN WIRE YEL/VIO/GRY WIRE YEL/VIO/ORG WIRE YEL/VIO/RED WIRE YEL/VIO/WHT WIRE

AT DRIVER'S SEAT) BLK WIRE BLK/LT BLU WIRE BRAKE LAMP SWITCH (TOP OF BRAKE PEDAL) BRAKE SW BRN WIRE CLOCK- SPRING COAST CRUISE INDICATOR DIAGNOSTIC JUNCTION PORT (AT BOTTOM OF STEERING COLUMN) DK BLU WIRE DK BLU/RED WIRE DUMP ELECTRONIC SPEED CONTROL SERVO (BELOW THE BATTERY TRAY) FUSE 22 FUSED IGN PCI BUS CRUISE CONTROL LAMP CONTROL HOT IN RUN OR START INSTRUMENT CLUSTER JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE NCA WIRE ORG/DK GRN WIRE PCI BUS POWERTRAIN CONTROL MODULE (RIGHT SIDE OF FIREWALL) PWR SUPPLY RED WIRE RED/LT GRN WIRE RESUME/ ACCEL SENSOR GND SET- SHIFTER ASSEMBLY BRAKE SWITCH SIGNAL SPEED CONTROL SWITCH 1 SPEED CONTROL SWITCH 2 SPEED SW SIG TAN/RED WIRE VACUUM VACUUM SOL VENT VENT SOL VIO WIRE VIO/YEL WIRE WHT WIRE WHT/PNK WIRE YEL WIRE YEL/VIO/BRN WIRE

AUTOMATIC ZONE CONTROL MODULE AZC BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE COMPUTER DATA LINE SYSTEM DEFOG RELAY INPUT DEFOG SW SENS DEFOGGER RELAY CTRL DEFOGGER SENSE SW DIAGNOSTIC JUNCTION PORT (AT BOTTOM OF STEERING COLUMN) FUSE 11 GROUND HOT AT ALL TIMES JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR MODULE LEFT POWER MIRROR MTC MTC PCI BUS POWER DISTRIBUTION CENTER (NEXT TO BATTERY) FUSE 2 REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER RELAY RED WIRE RED/TAN WIRE RIGHT FRONT DOOR MODULE RIGHT POWER MIRROR TAN WIRE WHT WIRE YEL/VIO WIRE YEL/VIO/BRN WIRE YEL/VIO/GRY WIRE YEL/VIO/WHT WIRE

2 15 16 HEADLAMP SW MUX PCI BUS HEADLAMP SW RETURN 4 10 15 21 HIGH BEAM SW SENSE SENSOR SIGNAL FOG LAMP SW SENSE SENSOR RETURN AUTO AUTOMATIC HEADLAMP LIGHT/SENSOR VTSS LED (NEAR LEFT DASH SPEAKER) BLK WIRE BLK/YEL WIRE BODY CONTROL MODULE (ON LEFT END OF DASH, ATTACHED TO JUNCTION BLOCK) BRN WIRE DIAGNOSTIC JUNCTION PORT (AT BOTTOM OF STEERING COLUMN) FLASH HIGH FOG FOG LAMP INDICATOR FOG LAMP RELAY FOG LAMP RELAY CONTROL LOW BEAM RELAY CONTROL HIGH BEAM RELAY CONTROL FUSE 14 FUSE 15 FUSE 16 FUSE 24 FUSE 3 FUSE 7 FUSED B (+) GROUND GRY WIRE HIGH BEAM RELAY HOT AT ALL TIMES INSTRUMENT CLUSTER JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LEFT FOG LAMP LEFT LOW BEAM HEADLAMP LEFT HIGH BEAM HEADLAMP LEFT MULTI FUNCTION SWITCH LOW BEAM/DAYTIME RUNNING LAMP RELAY LT BLU WIRE LT GRN WIRE OFF ORG/ WIRE PARK HEAD PCI BUS HIGH BEAM INDICATOR PNK WIRE PNK/LT GRN WIRE RED WIRE RIGHT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP VIO WIRE WHT WIRE WHT/DK GRN WIRE WHT/TAN WIRE YEL WIRE YEL/VIO/RED WIRE YEL/VIO/WHT WIRE

2 15 16 HEADLAMP SW MUX PCI BUS HEADLAMP SW RETURN 4 10 15 21 HIGH BEAM SW SENSE SENSOR SIGNAL FOG LAMP SW SENSE SENSOR RETURN AUTO AUTOMATIC HEADLAMP LIGHT/SENSOR VTSS LED (NEAR LEFT DASH SPEAKER) BLK WIRE BLK/YEL WIRE BODY CONTROL MODULE (ON LEFT END OF DASH, ATTACHED TO JUNCTION BLOCK) BRN WIRE DIAGNOSTIC JUNCTION PORT (AT BOTTOM OF STEERING COLUMN) FLASH HIGH FOG FOG LAMP INDICATOR FOG LAMP RELAY FOG LAMP RELAY CONTROL LOW BEAM RELAY CONTROL HIGH BEAM RELAY CONTROL FUSE 14 FUSE 15 FUSE 16 FUSE 24 FUSE 3 FUSE 7 GRY WIRE HIGH BEAM RELAY HOT AT ALL TIMES INSTRUMENT CLUSTER JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LEFT FOG LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT MULTI FUNCTION SWITCH LOW BEAM RELAY LT BLU WIRE LT GRN WIRE OFF ORG/ WIRE PARK HEAD PCI BUS HIGH BEAM INDICATOR PNK WIRE PNK/LT GRN WIRE RED WIRE RIGHT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP VIO WIRE WHT WIRE WHT/DK GRN WIRE WHT/TAN WIRE YEL WIRE YEL/VIO/RED WIRE YEL/VIO/WHT WIRE

26 30 FUEL LVL PCI BUS 4 16 SENS GND ECT 4.7L ABS WARNING AIR BAG CONTROL MODULE (BELOW FLOOR CONSOLE, NEAR PARK BRAKE) AIR BAG WARNING BLK WIRE BLK/LT BLU WIRE BLK/ORG WIRE BODY CONTROL MODULE COOLANT LEVEL SENSE BRAKE WARN FUSED (B+) FLASH ENABLE PCI BUS GROUND BRAKE WARNING CHECK ENGINE CHECK GAUGES COMPUTER DATA LINES SYSTEM COOLANT LEVEL SENSOR (IN FLUID RESERVOIR) CRUISE DATA LINK CONNECTOR (NEAR STEERING COLUMN) DIAGNOSTIC JUNCTION PORT (AT BOTTOM OF STEERING COLUMN) DK BLU/WHT WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE FLASH ENABLE FOG LAMP FUEL GAUGE FUEL LVL FUEL PUMP MODULE (TOP OF FUEL TANK) FUSE 17 FUSE 22 GRY/BLK WIRE GRY/YEL WIRE HIGH BEAM HOT AT ALL TIMES HOT IN RUN OR START ILLUMINATION ILLUMINATION (5 BULBS) INSTRUMENT CLUSTER JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LEFT TURN LOW COLLANT LEVEL LOW FUEL WARNING LT BLU WIRE LT BLU/YEL WIRE OIL PRES OIL PRESSURE GAUGE OVERDRIVE PARK BRAKE SWITCH (ON PARK BRAKE BRACKET) PCI BUS PNK/BLK WIRE PNK/RED WIRE POWERTRAIN CONTROL MODULE (RIGHT SIDE OF FIREWALL) REAR FOG LAMP RIGHT TURN SEAT BELT WARNING SENTRY KEY IMMOBILIZER SENTRY KEY IMMOBILIZER MODULE (NEAR IGNITION LOCK CYLINDER HOUSING) SPEEDOMETER TACHOMETER TAN WIRE TAN/BLK WIRE TAN/LT GRN WIRE TRANSMISSION CONTROL MODULE (RIGHT FRONT INNER FENDER) TRANSMISSION TEMPERATURE VIO WIRE VIO/BLK WIRE VIO/ORG WIRE VOLTMETER WATER IN FUEL YEL/VIO WIRE YEL/VIO/BLK WIRE YEL/VIO/BRN WIRE YEL/VIO/GRY WIRE YEL/VIO/ORG WIRE YEL/VIO/RED WIRE YEL/VIO/WHT WIRE

7 15 RR DOOR AJAR PCI BUS 8 21 23 24 25 10 FLIP-UP AJAR LIFTGATE AJAR LR DOOR AJAR BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM DIAGNOSTIC JUNCTION PORT (AT BOTTOM OF STEERING COLUMN) DOOR LOCK DOOR UNLOCK DRIVER DR UNLOCK DRIVER CYLINDER LOCK SWITCH DRIVER DOOR LOCK DRIVER DOOR LOCK MOTOR/ AJAR SWITCH DRIVER DOOR MODULE FUSE 12 FUSE 8 FUSED B (+) GROUND HOT AT ALL TIMES JUNCTION BLOCK JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LEFT LIFTGATE AJAR SWITCH LEFT REAR DOOR LOCK MOTOR/ AJAR SWITCH LF DOOR AJAR SW LF KEY CYL SW SENSE LIFTGATE FLIP-UP AJAR SWITCH LIFTGATE FLIP-UP PUSH BUTTON SWITCH LIFTGATE FLIP-UP RELEASE SOLENOID (IN LIFTGATE) LIFTGATE LOCK MOTOR LIMIT SWITCH LT GRN/ORG WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASSENGER DOOR LOCK MOTOR/ AJAR SWITCH PASSENGER DOOR MODULE PCI BUS PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/VIO WIRE POWER DISTRIBUTION CENTER (NEXT TO BATTERY) REAR WIPER MOTOR RED WIRE RF AJAR SW RIGHT LIFTGATE AJAR SWITCH RIGHT REAR DOOR LOCK MOTOR/ AJAR SWITCH TAN WIRE TAN/BLK WIRE TAN/ORG WIRE TAN/RED WIRE TAN/YEL WIRE VIO WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/VIO WIRE YEL/VIO/BLK WIRE YEL/VIO/BRN WIRE YEL/VIO/GRY WIRE YEL/VIO/WHT WIRE

1 2 3 4 9 12 13 15 BATT L/R WIND DN L/R WIND UP GND PCI BUS 1 2 3 4 9 12 13 15 BATT R/R WIND DN R/R WIN UP GND PCI BUS BLK WIRE BODY CONTROL MODULE (BEHIND LEFT END OF DASH, ON JUNCTION BLOCK) BRN WIRE DIAGNOSTIC JUNCTION PORT (AT BOTTOM OF STEERING COLUMN) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR MODULE FUSE 12 GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES ILLUMINATION L/F WIND DN L/F WIND UP ILLUMINATION R/F WIND UP R/F WIND DN JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LEFT FRONT POWER WINDOW MOTOR LEFT REAR POWER WINDOW MOTOR LEFT REAR POWER WINDOW SWITCH LT BLU WIRE NCA WIRE ORG/ WIRE ORG/DK BLU WIRE ORG/RED WIRE ORG/WHT WIRE PASSENGER DOOR MODULE POWER DISTRIBUTION CENTER (NEXT TO BATTERY) RED/WHT WIRE RIGHT FRONT POWER WINDOW MOTOR RIGHT REAR POWER WINDOW MOTOR RIGHT REAR POWER WINDOW POWER WINDOW SWITCH SWITCH VIO WIRE WHT WIRE YEL WIRE YEL/VIO WIRE