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Car Alarm Wiring Diagram and Car Wiring Diagrams – 2000 Lexus ES300


Whether your an expert installer or a novice enthusiast with a 2000 Lexus ES300, 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 2000 Lexus ES300.

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 2000 Lexus ES300.

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.

2000 Lexus ES300 Car Alarm and Remote Car Starter Wiring Information

Constant 12V+ Wire: White or White/Red
Constant 12V+ Wire Location: Ignition Switch Harness

Starter Wire (+): Red
Starter Wire Location: Ignition Switch Harness

Second Starter Wire (+): N/A
Start Wire Location: Ignition Switch Harness

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

Second Ignition Wire: Black/Red
Second Ignition Wire Location: Ignition Switch Harness

Accessory Wire: Blue/Red
Accessory Wire Location: Front of Fuse Box

Second Accessory Wire: N/A
Accessory Wire Location: N/A

Tachometer Wire: Gray
Tachometer Wire Location: On the 6 cylinder motor use the gray wire located at the ignitor on a bracket just in front of the driver side strut tower. The module says “Denso” on it.

Key Sense Wire: Blue/Black
Key Sense Location: Ignition Switch Harness

Door Lock Wire (-): Blue/Red
Door Lock Wire Location: Orange plug at bottom of fuse box.

Door Unlock Wire (-): Blue
Door Unlock Wire Location: Orange plug at bottom of fuse box.

Door Trigger Wire (-): Red/White
Door Trigger Wire Location: Top of fuse box.

Dome Supervision Wire: N/A
Dome Supervision Wire Location: N/A

Headlights Wire (-): N/A
Headlights Wire Location: N/A

Parking Light Positive Wire (+): Green/Orange or Green/Black
Parking Light Positive Wire Location: Bottom of fuse box. In a white connector just below the fuses with the wires exiting out toward you.

Parking Light Negative Wire (-): Green
Parking Light Negative Wire Location: Headlight Switch

Trunk/Hatch Pin Wire (-): Red/Yellow
Trunk/Hatch Pin Wire Location: Trunk light or theft module.

Hood Pin Wire (-): Black
Hood Pin Wire Location: Pin switch or theft module.

Trunk/Hatch Release Wire (-): Red
Trunk/Hatch Release Wire Location: Release Switch

Factory Alarm Arm Wire: Arms with lock.
Factory Alarm Arm Wire Location: N/A

Factory Alarm Disarm Wire (-): Disarms with unlock.
Factory Alarm Disarm Wire Location: N/A

Factory Alarm Disarm but No Unlock Wire (-): Use key sense wire
Factory Alarm Disarm Wire Location: N/A

Horn Trigger Wire (-): Green/Black
Horn Trigger Wire Location: Horn Switch in Steering Column

Brake Wire (+): Green/White
Brake Wire Location: Bottom of Fuse Box

Parking Emergency Brake Wire (+): N/A
Parking Emergency Brake Wire Location: N/A

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