2004-2007 Toyota Highlander Vehicle Wiring Chart and Diagram

PART	COLOR	LOCATION
12 VOLT CONSTANT	WHITE (+) and YELLOW (+)	@ IGNITION SWITCH HARNESS
STARTER	BLACK/WHITE (+) (USE BOTH	@ IGNITION SWITCH HARNESS
STARTER 2	BLACK (+) STARTER WIRES!!!)	@ IGNITION SWITCH HARNESS
IGNITION 1	GRAY (+)	@ IGNITION SWITCH HARNESS
IGNITION 2	GREEN (+)	@ IGNITION SWITCH HARNESS
IGNITION 3	N/A
ACCESSORY/HEATER BLOWER 1	BLUE (+)	@ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2	N/A
KEYSENSE	GREEN (-)	@ IGNITION SWITCH HARNESS or BECU, 2ND PLUG DOWN, PIN 2, See NOTE #3
PARKING LIGHTS ( - )	PURPLE (-)	@ BECU, 2nd PLUG DOWN, PIN 18, See NOTE #3
PARKING LIGHTS ( + )	WHITE to BROWN (+)	IN DRIVERS KICK PANEL, 20-PIN PLUG, PIN 8
POWER LOCK	GREEN, See NOTE #2	Pin 4, See DIAGRAM
POWER UNLOCK	YELLOW, See NOTE #2	Pin 14, See DIAGRAM
DOOR TRIGGER	See NOTE #4	See DIAGRAM
DOMELIGHT SUPERVISION	GREEN (-), (Requires Part #775 Relay)	@ IGNITION KEY CYLINDER LIGHT
TRUNK RELEASE	N/A
SLIDING POWER DOOR	N/A
HORN	PINK (-)	@ STEERING COLUMN HARNESS or BECU, BOTTOM PLUG, PIN 10, See NOTE #3
TACH	BLACK (AC)	@ ECM, TOP PLUG, PIN 5, See NOTE #5
WAIT TO START LIGHT	N/A
BRAKE	BLACK (+)	@ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM	DISARMS with KEYSENSE wire, See NOTE #6	@ IGNITION SWITCH HARNESS
ANTI-THEFT	TOYOTA'S TRANSPONDER ANTI-THEFT SYSTEM, SEE NOTE #1	@ IGNITION SWITCH TUMBLER

EXTRA INFORMATION

NOTE #1: TOYOTA'S TRANSPONDER SYSTEM, Requires Bypass Module: (For Remote Starting Only) Part #791 Bypass, (Requires Extra Key) for Operation. (For Remote Starting Only) Part # PK-ALL Bypass. (No Extra Key Required for Operation) 2-KEYS Required to Program Module. To order please go to the SECURITY BYPASS MODULE Page or INTERFACE BYPASS MODULE Page on this website. NOTE #2: THIS VEHICLE REQUIRES A SPECIAL DOOR LOCK DIAGRAM THAT REQUIRES AN EXTRA RELAY PART #775 AND A 1 AMP DIODE, TO CONNECT, See DIAGRAM NOTE #3: THE BECU (Body Electronic Control Unit) IS LOCATED BEHIND THE GLOVEBOX, IT IS THE MODULE TO THE RIGHT NOTE #4: the DRIVERS DOOR TRIGGER is a BLACK (-) 3RD Plug down, Pin 11, the PASSENGER DOOR TRIGGER is a LIGHT BLUE (-) Bottom Plug, Pin 16, the REAR DOOR TRIGGER (same wire does both doors) is a LIGHT GREEN (-) Bottom Plug, Pin 15. When connecting to an Alarm System, use all 3 wires and DIODE ISOLATE, See DIAGRAM NOTE #5: THE ECM (Engine Control Module) IS LOCATED BEHIND THE GLOVE BOX, IT IS THE MODULE TO THE LEFT NOTE #6: THE KEYSENSE WIRE WILL DISARM THE VEHICLE WITHOUT UNLOCKING THE DOORS BY APPLYING A (-)NEGATIVE TO THIS WIRE DURING REMOTE STARTING.