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1990 Lexus LS400 Car Alarm Wiring Guide


Whether your an expert Lexus LS400 car alarm installer, Lexus LS400 performance fan or a novice Lexus LS400 enthusiast with a 1990 Lexus LS400, a Lexus LS400 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 1990 Lexus LS400 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 LS400 car alarm wiring diagrams, Lexus LS400 car security wiring diagrams, Lexus LS400 car alarm wire diagrams, Lexus LS400 car security wiring schematics, Lexus LS400 car security diagrams, Lexus LS400 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 LS400 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 1990 Lexus LS400.

Questions

If you have any questions pertaining to the car wiring in a 1990 Lexus LS400 , please feel free to post it at the bottom of this page and either we’ll do our best to find you the information you need or hopefully someone in the Modified Life community will have the information you’re looking for.

Request a Car Alarm Wiring Diagram

If you can’t find your car alarm wiring, car security wire diagram or auto alarm wire diagram on Modified Life, please feel free to post a car alarm wiring diagram request on this page and we’ll do our best to find you the diagram, schematic or information you need for your mobile security installation.

Adding More Information

If you would like to help the Modified Life community by adding a car security wire schematic, car alarm wire diagram, car remote starter wire diagram, auto remote starter wire diagram or auto security wire diagram to our resource, please feel free to post any additional car wiring information about the 1990 Lexus LS400 on this page.

1990 Lexus LS400 Car Alarm Installation Guide

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

Starter Positive Wire (+): Brown/Red To Red With Silver Dots
Starter Positive Wire Location: Ignition Switch Harness

Ignition Positive Wire (+): Brown/White To Black/Orange
Ignition Positive Wire Location: Ignition Switch Harness

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

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

Parking Light Negative Wire (-): Green/White
Parking Light Negative Wire Location: In Black Plug At Steering Column Harness

Parking Light Positive Wire (+): Green
Parking Light Positive Wire Location: In Black Plug At Steering Column Harness

Power Door Lock Negative Wire (-): Green/Yellow
Power Door Lock Negative Wire Location: In Passenger Kick Panel

Power Door Unlock Negative Wire (-): Green
Power Door Unlock Negative Wire Location: In Passenger Kick Panel

Door Trigger Negative Wire (-): Red/White
Door Trigger Negative Wire Location: At White Plug, In Drivers Kick Panel

Dome Light Supervision Wire: Use Door Trigger
Dome Light Supervision Wire Location: N/A

Trunk Release Negative Wire (-): Red/White
Trunk Release Negative Wire Location: At Trunk Release Switch

Horn Negative Wire (-): Green/Red
Horn Negative Wire Location: At Steering Column Harness

Tachometer Wire Negative Wire (-): Black
Tachometer Wire Negative Wire Location: At Igniter. The igniter is located on the passenger side behind headlight and air flow meter in a black plastic box.

Brake Light Positive Wire (+): Green/White
Brake Light Positive Wire Location: In Drivers Kick Panel

Factory Alarm Disarm Wire (-): Green
Factory Alarm Disarm Wire Location: In Drivers Kick Panel

Factory Anti-Theft System: N/A
Factory Anti-Theft System Location: N/A

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