2003 Volkswagen Beetle Alarm Wires
Find the right alarm wire colors, locations, and polarity with this 2003 Volkswagen Beetle alarm wiring diagram. This will help you install your car alarm wiring correctly.
| Application | Wire Color and Location |
|---|---|
| Battery Constant 12V+ Wire | Red |
| Battery Constant 12V+ Wire Location | Ignition Switch Large Harness |
| Starter Wire (+) | Red/Black |
| Starter Wire Location | Ignition Switch Harness |
| Second Starter Wire (+) | N/A |
| Second Start Wire Location | N/A |
| Ignition Wire (+) | Black |
| Ignition Wire Location | Ignition Switch Harness |
| Second Ignition Wire | N/A |
| Second Ignition Wire Location | N/A |
| Accessory Wire | Black/Red |
| Accessory Wire Location | Ignition Switch Harness |
| Second Accessory Wire | N/A |
| Second Accessory Wire Location | N/A |
| Key Sense Wire (+) | N/A |
| Key Sense Location | N/A |
2003 Volkswagen Beetle Alarm Sensor Wires
Find the right alarm sensor wire colors, locations, and polarity with this 2003 Volkswagen Beetle alarm sensor wire chart. This will help you connect all your car alarm sensors correctly.
| Application | Wire Color and Location |
|---|---|
| Tachometer Wire | Green Yellow |
| Tachometer Wire Location | Ignition Coil. Can also be found as green/brown behind the instrument cluster in a blue plug. |
| Door Lock Wire (-) | Yellow/Light Blue |
| Door Lock Wire Location | Inside Driver Door |
| Door Unlock Wire (-) | White/Green |
| Door Unlock Wire Location | Inside Driver Door |
| Door Trigger Wire (-) | Brown/Yellow |
| Door Trigger Wire Location | Anti-Theft Module. The theft module is located to the left of the steering column. |
| Dome Supervision Wire | Same as door trigger. |
| Dome Supervision Wire Location | N/A |
| Headlights Wire (-) | Yellow/Red |
| Headlights Wire Location | Headlight Switch |
| Parking Light Positive Wire (+) | Gray/Purple |
| Parking Light Positive Wire Location | Headlight Switch |
| Parking Light Negative Wire (-) | N/A |
| Parking Light Negative Wire Location | N/A |
| Trunk/Hatch Pin Wire (-) | Brown/Black |
| Trunk/Hatch Pin Wire Location | Anti-Theft Module. The theft module is located to the left of the steering column. |
| Hood Pin Wire (-) | Brown/Red |
| Hood Pin Wire Location | Anti-Theft Module. The theft module is located to the left of the steering column. |
| Trunk/Hatch Release Wire (+) | Use brown/purple negative trigger on models with power windows, or red/blue 5-wire positive on models without power windows. |
| Trunk/Hatch Release Wire Location | Anti-Theft Module. The theft module is located to the left of the steering column. |
| Factory Alarm Arm Wire | Arms with Lock. |
| Factory Alarm Arm Wire Location | N/A |
| Factory Alarm Disarm Wire (-) | Disarms with Unlock. |
| Factory Alarm Disarm Wire Location | N/A |
| Factory Alarm Disarm but No Unlock Wire (-) | N/A |
| Factory Alarm Disarm Wire Location | N/A |
| Horn Trigger Wire (-) | Black/Yellow |
| Horn Trigger Wire Location | Anti-Theft Module. The theft module is located to the left of the steering column. |
| Brake Wire (+) | Red/Black |
| Brake Wire Location | Anti-Theft Module. The theft module is located to the left of the steering column. |
| Emergency Parking Brake Wire (-) | N/A |
| Emergency Parking Brake Wire Location | N/A |
Feel free to use any 2003 Volkswagen Beetle alarm wiring diagram that is listed here but keep in mind that all information here is provided as is without any warranty of any kind. Use of this 2003 Volkswagen Beetle car alarm wire chart is at your own risk. Always verify all wires, wire colors and connection points before applying any information found here to your 2003 Volkswagen Beetle.