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2007 Lexus GS300 Car Alarm Wiring Diagram


Whether your an expert Lexus GS300 car alarm installer, Lexus GS300 performance fan or a novice Lexus GS300 enthusiast with a 2007 Lexus GS300, a Lexus GS300 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 2007 Lexus GS300.

The Modified Life staff has taken all its 2007 Lexus GS300 car alarm wiring diagrams, 2007 Lexus GS300 car security wiring diagrams, 2007 Lexus GS300 car alarm wire diagrams, 2007 Lexus GS300 car security wiring schematics, 2007 Lexus GS300 car security diagrams, Lexus GS300 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 2007 Lexus GS300 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 2007 Lexus GS300.

Questions

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2007 Lexus GS300 Car Alarm Wiring Diagram

Battery Constant 12v+ Positive Wire (+): Connect To Battery Only
Battery Constant 12v+ Positive Wire Location: Under The Hood

Starter Positive Wire (+): Blue
Starter Positive Wire Location: At PSC, ECU 40-Pin Plug, Pin 15. The PSC, ECU is located on the far right (passenger side) behind the glove box.

Second Starter Positive Wire (+): Light Blue
Second Starter Positive Wire Location: At PSC, ECU 40-Pin Plug, Pin 17. The PSC, ECU is located on the far right (passenger side) behind the glove box.

Ignition Positive Wire (+): Yellow
Ignition Positive Wire Location: At PSC, ECU 40-Pin Plug, Pin 35. The PSC, ECU is located on the far right (passenger side) behind the glove box.

Second Ignition Positive Wire (+): Light Blue
Second Ignition Positive Wire Location: At PSC, ECU 40-Pin Plug, Pin 34. The PSC, ECU is located on the far right (passenger side) behind the glove box.

Accessory Positive Wire (+): Green
Accessory Positive Wire Location: At PSC, ECU 40-Pin Plug, Pin 11. The PSC, ECU is located on the far right (passenger side) behind the glove box.

Parking Light Positive Wire (+): Green
Parking Light Positive Wire Location: At Headlamp Assembly Under Hood

Power Door Lock Negative Wire (-): Light Green (When testing these wires, make sure you meter them while turning the key in the drivers door key cylinder.)
Power Door Lock Negative Wire Location: At Power Window Switch In Drivers Door

Power Door Unlock Negative Wire (-): Pink (Requires a Double Pulse)
Power Door Unlock Negative Wire Location: At Power Window Switch In Drivers Door

Door Trigger Negative Wire (-): The drivers door is a red (-) at the BECU (RH) 16-pin plug, pin 14, the passenger door is a red (-) at the BECU (RH) 28-pin plug, pin 23, the drivers rear door is a green (-) at the passenger side fuse box, 28-pin plug, pin 23 and the passenger rear door is a blue (-) at the BECU, (RH) 16-pin plug, pin 16. When connecting to an alarm system, use all 4 door trigger wires and diode isolate
Door Trigger Negative Wire Location: N/A

Dome Light Supervision Wire (-): Blue
Dome Light Supervision Wire Location: At BECU (LH), 10-Pin Plug, Pin 2. The BECU (LH) is attached to the drivers side fuse box, under the drivers side of the dash. The BECU (RH) is attached to the passenger side fuse box, behind the glove box.

Trunk Release Negative Wire (-): Light Green (The BECU (LH) is attached to the drivers side fuse box, under the drivers side of the dash. The BECU (RH) is attached to the passenger side fuse box, behind the glove box.)
Trunk Release Negative Wire Location: At BECU (LH), 16-Pin Plug, Pin 13

Horn Negative Wire (-): Yellow
Horn Negative Wire Location: At Horn Switch In Column Cover.

Tachometer Wire Negative Wire (-): White
Tachometer Wire Negative Wire Location: At Data Link Connector, Pin 9. The data link connector is located under the drivers side of the dash.

Brake Light Positive Wire (+): Red/Black
Brake Light Positive Wire Location: At Switch Above Brake Pedal

Factory Alarm Disarm Wire (-): Disarms With Unlock Single Pulse Disarms
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

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