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2003 Toyota Highlander Security Wiring Diagram

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2003 Toyota Highlander Alarm Wires

Find the right alarm wire colors, locations, and polarity with this 2003 Toyota Highlander alarm wiring diagram. This will help you install your car alarm wiring correctly.

Application Wire Color and Location
Battery Constant Power 12v+ Wire (+) White
Battery Constant Power 12v+ Wire Location At Ignition Switch Harness
Ignition Wire (+) Black
Ignition Wire Location At Ignition Switch Harness
Second Ignition Wire (+) Black/Yellow
Second Ignition Wire Location At Ignition Switch Harness
Accessory Wire (+) Pink
Accessory Wire Location At Ignition Switch Harness
Second Accessory Wire (+) N/A
Second Accessory Wire Location N/A
Starter Wire (+) Black/White
Starter Wire Location At Ignition Switch Harness
Second Starter Wire (+) N/A
Second Starter Wire Location N/A
Ground Wire Chassis

2003 Toyota Highlander Alarm Sensor Wires

Find the right alarm sensor wire colors, locations, and polarity with this 2003 Toyota Highlander alarm sensor wire chart. This will help you connect all your car alarm sensors correctly.

Application Wire Color and Location
Brake Light Wire (+) Green/White
Brake Light Wire Location At Switch Above the Brake Pedal
Dome Light Supervision Wire Turns On with Unlock
Dome Light Supervision Wire Location N/A
Door Trigger Wire (+) Green/Yellow
Door Trigger Wire Location At the Ignition Key Cylinder Illumination Wire.
Hood Pin Switch Wire (-) N/A
Hood Pin Switch Wire Location N/A
Horn Wire (-) White/Red
Horn Wire Location At the steering column wire harness.
Key Sense Wire (+) N/A
Key Sense Wire Location N/A
Parking Light Wire (-) Green/Red
Parking Light Wire Location At Headlight Switch
Power Door Lock Wire (-) N/A
Power Door Lock Wire Location Requires Relay
Power Door Unlock Wire (-) N/A
Power Door Unlock Wire Location Requires Relay
Tachometer Wire (-) White/Green
Tachometer Wire Location At ECM located behind the glove box (module to the left).
Trunk Pin Switch Wire (-) N/A
Trunk Pin Switch Wire Location N/A
Trunk Release Wire (+) N/A
Trunk Release Wire Location N/A
Wait to Start Light Wire (-) N/A
Wait to Start Light Wire Location N/A
Factory Alarm Arm Wire (-) N/A
Factory Alarm Arm Wire Location N/A
Factory Alarm Disarm Wire (-) Disarms with the Key Sense Wire.
Factory Alarm Disarm Wire Location At Ignition Switch Harness
Factory Anti-Theft System Toyota Transponder Anti-Theft System
Factory Anti-Theft System Location Transponder at Ignition Switch Tumbler
Factory Immobilizer Bypass Requires Immobilizer Bypass Module

Feel free to use any 2003 Toyota Highlander alarm wiring diagram that is listed here but keep in mind that all information here is provided as is without any warranty of any kind. Use of this 2003 Toyota Highlander car alarm wire chart is at your own risk. Always verify all wires, wire colors and connection points before applying any information found here to your 2003 Toyota Highlander.

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