Whether your an expert Pontiac car alarm installer, Pontiac performance fan or a novice Pontiac enthusiast with a 2003 Pontiac Bonneville, 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 Bonneville 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 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 Bonneville.
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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 Bonneville on this page.
2003 Pontiac Bonneville Car Security Wiring Diagram
Battery Constant 12v+ Positive Wire (+): Connect To Battery Only
Battery Constant 12v+ Positive Wire Location:
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 DIM Module (Brown Plug, Pin B3). The DIM module is located just in front of the blower motor, near the passenger kick panel.
Parking Light Positive Wire (+): Purple and Brown/White (Use Both). This vehicle uses a (2) wire parking light system, that will require (2) extra relays.
Parking Light Positive Wire Location: At Rear Fuse Block (Light Gray Plug). The rear fuse block is under the drivers side of the rear seat.
Power Door Lock Negative Wire (-): Red/Black
Power Door Lock Negative Wire Location: At Drivers Door Lock Switch, In Drivers Door.
Power Door Unlock Negative Wire (-): Orange/Black
Power Door Unlock Negative Wire Location: At Drivers Door Lock Switch, In Drivers Door.
Door Trigger Negative Wire (-): The drivers door wire is a tan (-) at the drivers door module in the drivers door, all other doors are a dark blue (-) at their door module in the door. When connecting to an alarm system, use all 4 door trigger wires and diode isolate.
Door Trigger Negative Wire Location: N/A
Domelight Supervision Negative Wire (-): Gray (Requires Relay)
Domelight Supervision Negative Wire Location: At underdash light.
Trunk Release Negative Wire (-): Light Blue
Trunk Release Negative Wire Location: At RIM module (blue plug, pin b4). The RIM module is located behind the rear seat back in the upper corner on the drivers side.
Horn Negative Negative Wire (-): Black
Horn Negative Negative Wire Location: At steering column harness or DIM module (gray plug, pin a6). The DIM module is located just in front of the blower motor, near the passenger kick panel.
Tachometer Wire Negative Wire (-): White
Tachometer Wire Negative Wire Location: At PCM. The PCM (powertrain control module) is located in the front drivers side of the engine compartment inside the air cleaner box.
Brake Light Positive Wire (+): White
Brake Light Positive Wire Location: At Switch Above Brake Pedal
Factory Alarm Disarm Wire (-): Light Green
Factory Alarm Disarm Wire Location: At drivers door module in drivers door.
Anti Theft Type: GM Passkey 3 (Pk3 On Steel Shaft Of Ignition Key) Transponder System.
ECM Module Location: N/A
BCM Module Location: N/A