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1998 Lexus SC300 Car Alarm Wire Guide


Whether your an expert Lexus SC300 car alarm installer, Lexus SC300 performance fan or a novice Lexus SC300 enthusiast with a 1998 Lexus SC300, a Lexus SC300 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 1998 Lexus SC300 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 SC300 car alarm wiring diagrams, Lexus SC300 car security wiring diagrams, Lexus SC300 car alarm wire diagrams, Lexus SC300 car security wiring schematics, Lexus SC300 car security diagrams, Lexus SC300 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 SC300 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 1998 Lexus SC300.

Questions

If you have any questions pertaining to the car wiring in a 1998 Lexus SC300, please feel free to post it at the bottom of this page and either we will do our best to find you the information you need or hopefully someone in the Modified Life community will have the information you are looking for.

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If you can not 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 will 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 1998 Lexus SC300 on this page.

1998 Lexus SC300 Car Alarm Wire Guide

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

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

Second Starter Positive Wire (+): N/A
Second Starter Positive Wire Location: N/A

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

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

Third Ignition Positive Wire (+): N/A
Third Ignition Positive Wire Location: N/A

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

Second Accessory Positive Wire (+): N/A
Second Accessory Positive Wire Location: N/A

Key Sense Wire: N/A
Key Sense Wire Location: N/A

Parking Light Negative Wire (-): Green
Parking Light Negative Wire Location: At Steering Column Harness

Parking Light Positive Wire (+): Green
Parking Light Positive Wire Location: Under Drivers Running Board

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

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

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

Dome Light Supervision Wire (-): Use Door Trigger (Requires Relay)
Dome Light Supervision Wire Location: N/A

Trunk Release Negative Wire (-): Blue (Requires Relay)
Trunk Release Negative Wire Location: At Trunk Release Switch

Sliding Power Door Wire: N/A
Sliding Power Door Wire Location: N/A

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

Tachometer Wire Negative Wire (-): Black
Tachometer Wire Negative Wire Location: At Ignitor, Drivers Side Shock Tower

Wait To Start Wire: N/A
Wait To Start Location: N/A

Brake Light Positive Wire (+): Green/White
Brake Light Positive Wire Location: At Switch Above Brake Pedal

Factory Alarm Disarm Wire (-): Disarms With Unlock
Factory Alarm Disarm Wire Location: N/A

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

The 1998 Lexus SC300 alarm wire color and location information above is updated as it is submitted by the Modified Life community.

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