Whether your an expert installer or a novice enthusiast with a 2004 Toyota Corolla, an automotive wiring diagram can save yourself time and headaches. One of the most time consuming tasks with installing a car alarm, remote car starter, car security system or any mobile electronics is identifying the correct wires for a 2004 Toyota Corolla.
The Modified Life staff has put their heads together to create an invaluable resource containing car alarm wiring diagram, remote car starter wiring diagram, car wiring diagram and car security wiring diagram. Feel free to use any car alarm wiring diagram or remote car starter wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2004 Toyota Corolla.
If you can’t find your car alarm wiring diagram or remote start wire diagram on Modified Life, please feel free to post a car wiring diagram request (Car Alarm Wiring Diagram Request Page) and we’ll do our best to find you the information you need for your mobile installation.
2004 Toyota Corolla Car Alarm and Remote Car Starter Wiring Information
Constant 12V+ Wire: White & Black
Constant 12V+ Wire Location: Ignition Switch Harness
Starter Wire (+): Red
Starter Wire Location: Ignition Switch Harness
Second Starter Wire (+): N/A
Start Wire Location: N/A
Ignition Wire (+): Black/Yellow
Ignition Wire Location: Ignition Switch Harness
Second Ignition Wire: Black/White
Second Ignition Wire Location: Ignition Switch Harness
Accessory Wire: Blue/Red
Accessory Wire Location: Ignition Switch Harness
Second Accessory Wire: N/A
Accessory Wire Location: N/A
Tachometer Wire: Go to any one of the ignition coils under the black motor cover and use red/blue, yellow/green, gray, or white.
Tachometer Wire Location: Ignition Coils
Door Lock Wire (-): Green (These are the passenger key cylinder wires. Meter the wires while turning the key in the passenger door.)
Door Lock Wire Location: Passenger Kick Panel
Door Unlock Wire (-): Blue/Black (These are the passenger key cylinder wires. Meter the wires while turning the key in the passenger door.)
Door Unlock Wire Location: Passenger Kick Panel
Door Trigger Wire (-): Red/Yellow
Door Trigger Wire Location: Driver Kick Panel
Dome Supervision Wire: Comes on with unlock.
Dome Supervision Wire Location: N/A
Headlights Wire (-): Red
Headlights Wire Location: Headlight Switch
Parking Light Positive Wire (+): Green
Parking Light Positive Wire Location: Driver Kick Panel
Parking Light Negative Wire (-): Green/White
Parking Light Negative Wire Location: Headlight Switch
Trunk/Hatch Pin Wire (-): Red/White
Trunk/Hatch Pin Wire Location: Light in Trunk
Hood Pin Wire (-): N/A
Hood Pin Wire Location: N/A
Trunk/Hatch Release Wire (-): N/A
Trunk/Hatch Release Wire Location: N/A
Factory Alarm Arm Wire: N/A
Factory Alarm Arm Wire Location: N/A
Factory Alarm Disarm Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A
Factory Alarm Disarm but No Unlock Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A
Horn Trigger Wire (-): Green/Yellow
Horn Trigger Wire Location: Steering Column
Brake Wire (+): Green/White
Brake Wire Location: Brake Pedal Switch
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