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2004 Lexus ES330 Car Alarm Wiring Diagram


Whether your an expert Lexus ES330 car alarm installer, Lexus ES330 performance fan or a novice Lexus ES330 enthusiast with a 2004 Lexus ES330, a Lexus ES330 car alarm wiring diagram can save yourself a lot of time. One of the most time consuming tasks with installing an after market car alarm, car security, car remote start, automatic remote starter, shock sensor, tilt sensor, car alarm sensor or any auto alarm is identifying the correct color car security wires for a 2004 Lexus ES330 headlight bulb size you need for your low beam or high beam and save time. Also, find your other car light bulb sizes including your fog light, reverse light, turn signal, brake light and more. It’s that easy!

The Modified Life staff has taken all its Lexus ES330 car alarm wiring diagrams, Lexus ES330 car security wiring diagrams, Lexus ES330 car alarm wire diagrams, Lexus ES330 car security wiring schematics, Lexus ES330 car security diagrams, Lexus ES330 remote starter wiring diagrams and cataloged them online for our visitors to use for free. Our automotive wiring diagrams allow you to enjoy your new auto security electronics rather than spend countless hours trying to figure out which wires goes where.

Feel free to use any Lexus ES330 auto alarm 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 and most of the auto security wiring diagrams listed on our enthusiast website are submitted by the Modified Life community. 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 Lexus ES330.

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2004 Lexus ES330 Car Alarm Wiring Diagram

Battery Constant 12v+ Positive Wire (+): White/Red
Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness

Starter Positive Wire (+): Black/White (Must Use Both Starter)
Starter Positive Wire Location: Ignition Switch Harness

Secondary Starter Positive Wire (+): Green/Yellow (Wires For Remote Starting).
Secondary Starter Positive Wire Location: Ignition Switch Harness

Ignition Positive Wire (+): Black/Red
Ignition Positive Wire Location: Ignition Switch Harness

Secondary Ignition Positive Wire (+): Black/Yellow
Secondary Ignition Positive Wire Location: Ignition Switch Harness

Accessory Positive Wire (+): Blue/Red
Accessory Positive Wire Location: Ignition Switch Harness

Key Sense Wire (-): Blue
Key Sense Wire Location: At Ignition Switch Harness

Parking Light Negative Wire (-): Red
Parking Light Negative Wire Location: At Headlight Switch Or Pin 8 in 22 Pin Plug at BECU. The BECU is attached to the back of the fuse box. It has three plugs on the left side edge.

Parking Light Positive Wire (+): Green
Parking Light Positive Wire Location: At Pin 19 in 20 Pin Plug (Bottom of Fuse Box).

Power Door Lock Negative Wire (-): Blue/Yellow
Power Door Lock Negative Wire Location: At Pin 4 At ECU Inside Drivers Door

Power Door Unlock Negative Wire (-): Blue (Requires a Double Pulse)
Power Door Unlock Negative Wire Location: At Pin 14 At ECU Inside Drivers Door

Door Trigger Positive Wire (+): The drivers door trigger is red/green (-) pin 1 in 12 pin plug. The other three door trigger wires are in the 22 pin plug. The front passenger door is red/green (-) pin 11, the left rear door is red/white (-) in pin 12 and the right rear door is red/yellow (-) in pin 14. When connecting to an alarm system, use all 4 wires and diode isolate.
Door Trigger Positive Wire Location: At BECU. The BECU is attached to the back of the fuse box. It has three plugs on the left side edge.

Dome Light Supervision Wire (-): Green/Red
Dome Light Supervision Wire Location: in Drivers A Pillar (13-Pin Plug, Pin 8).

Trunk Release Negative Wire (-): Red or Blue/Yellow
Trunk Release Negative Wire Location: At Trunk Release Switch Or BECU (18-Pin Plug, Pin 5).

Horn Negative Negative Wire (-): Green/Black
Horn Negative Negative Wire Location: At Bottom of Fuse Box (24-Pin Plug, Pin 22).

Tachometer Wire Negative Wire (-): Black/Orange
Tachometer Wire Negative Wire Location: Pin 5 Connector E6 at ECM. The ECM is located behind the glove box. Connector E6 is the top plug.

Brake Light Positive Wire (+): Green/White
Brake Light Positive Wire Location: Pin 15 in 20 Pin Plug (Bottom of Fuse Box).

Factory Alarm Disarm Wire (-): Disarms With Key Sense Wire. The vehicle can be disarmed without unlocking by attaching a (-) negative output wire to the blue (-) key sense wire in the ignition switch harness.
Factory Alarm Disarm Wire Location: N/A

Factory Anti-Theft Wire (-): Transponder Anti-Theft System. Requires Bypass Module And Extra Ignition Key.
Factory Anti-Theft Wire Location: Transponder At Ignition Switch Tumbler

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