2003 Pontiac Montana Car Alarm Wiring Chart

Whether your an expert Pontiac car alarm installer, Pontiac performance fan or a novice Pontiac enthusiast with a 2003 Pontiac Montana, a Pontiac 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 2003 Pontiac Montana.

The Modified Life staff has taken all its Pontiac car alarm wiring diagrams, Pontiac car security wiring diagrams, Pontiac car alarm wire diagrams, Pontiac car security wiring schematics, Pontiac car security diagrams, Pontiac 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 Pontiac 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 2003 Pontiac Montana.

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If you can’t find your car alarm wire diagram, car security wire diagram or auto alarm wire diagram on Modified Life, please feel free to post a car wiring diagram request (Alarm Wiring Diagram Request Page) and we’ll do our best to find you the information you need for your auto alarm or 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 2003 Pontiac Montana on this page.

2003 Pontiac Montana Car Alarm Wiring Chart

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

Starter Positive Wire (+): Yellow
Starter Positive Wire Location: Ignition Switch Harness

Ignition Positive Wire (+): Pink
Ignition Positive Wire Location: Ignition Switch Harness

Second Ignition Positive Wire (+): White
Second Ignition Positive Wire Location: Ignition Switch Harness

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

Parking Light Negative Wire (-): Brown/White
Parking Light Negative Wire Location: At BCM. The BCM (body control module) is located to the right of the glovebox.

Parking Light Positive Wire (+): Brown
Parking Light Positive Wire Location: At Headlight Switch Or In Drivers Kick Panel

Power Door Lock Negative Wire (-): Light Blue
Power Door Lock Negative Wire Location: in either kick panel. If vehicle is equipped with a factory keyless entry module, use the red/black (-) for lock and the orange/black (-) for unlock, both wires will be found at the BCM, wires will only meter with the key in the door key cylinder. You must use the 3.5 or long door lock pulse length output.

Power Door Unlock Negative Wire (-): White
Power Door Unlock Negative Wire Location: in either door harness. If vehicle is equipped with a factory keyless entry module, use the red/black (-) for lock and the orange/black (-) for unlock, both wires will be found at the BCM, wires will only meter with the key in the door key cylinder. You must use the 3.5 or long door lock pulse length output.

Door Trigger Negative Wire (-): Gray/Black
Door Trigger Negative Wire Location: At BCM. The BCM (body control module) is located to the right of the glovebox.

Domelight Supervision Wire: Use Door Trigger
Domelight Supervision Wire Location: Use Door Trigger

Horn Negative Negative Wire (-): Black
Horn Negative Negative Wire Location: At BCM. The BCM (body control module) is located to the right of the glovebox.

Tachometer Wire Negative Wire (-): Purple/White
Tachometer Wire Negative Wire Location: At Ignition Coil

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

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

Make Your Car Alarm Installation Easy with these Tools and Accessories

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