2003 Ford Mustang Alarm Wires
Find the right alarm wire colors, locations, and polarity with this 2003 Ford Mustang alarm wiring diagram. This will help you install your car alarm wiring correctly.
| Application | Wire Color and Location |
|---|---|
| Battery Constant Power 12v+ Wire (+) | Yellow and Light Green/Purple |
| Battery Constant Power 12v+ Wire Location | At Ignition Switch Harness |
| Ignition Wire (+) | Red/Light Green |
| Ignition Wire Location | At Ignition Switch Harness |
| Second Ignition Wire (+) | Red/Black |
| Second Ignition Wire Location | At Ignition Switch Harness |
| Accessory Wire (+) | Gray/Yellow |
| Accessory Wire Location | At Ignition Switch Harness |
| Second Accessory Wire (+) | Black/Light Green |
| Second Accessory Wire Location | At Ignition Switch Harness |
| Starter Wire (+) | Red/Light Blue |
| Starter Wire Location | At Ignition Switch Harness |
| Second Starter Wire (+) | N/A |
| Second Starter Wire Location | N/A |
| Ground Wire | Chassis |
2003 Ford Mustang Alarm Sensor Wires
Find the right alarm sensor wire colors, locations, and polarity with this 2003 Ford Mustang alarm sensor wire chart. This will help you connect all your car alarm sensors correctly.
| Application | Wire Color and Location |
|---|---|
| Brake Light Wire (+) | Red/Light Green |
| Brake Light Wire Location | At Switch Above the Brake Pedal |
| Dome Light Supervision Wire | Black/White |
| Dome Light Supervision Wire Location | At GEM (Generic Electronic Module) located above the driver kick panel. |
| Door Trigger Wire (+) | Yellow/Black and Gray/Red (Use Both) |
| Door Trigger Wire Location | At GEM (Generic Electronic Module) located above the driver kick panel. |
| Hood Pin Switch Wire (-) | N/A |
| Hood Pin Switch Wire Location | N/A |
| Horn Wire (-) | Yellow/Light Green |
| Horn Wire Location | At GEM (Generic Electronic Module) located above the driver kick panel. |
| Key Sense Wire (+) | N/A |
| Key Sense Wire Location | N/A |
| Parking Light Wire (+) | Brown |
| Parking Light Wire Location | At GEM (Generic Electronic Module) located above the driver kick panel. |
| Power Door Lock Wire (-) | Light Green |
| Power Door Lock Wire Location | At GEM (Generic Electronic Module) located above the driver kick panel. |
| Power Door Unlock Wire (-) | Purple |
| Power Door Unlock Wire Location | At GEM (Generic Electronic Module) located above the driver kick panel. |
| Tachometer Wire (-) | Any Wire that is NOT Red or White/Light Blue |
| Tachometer Wire Location | At Ignition Coil. |
| Trunk Pin Switch Wire (-) | N/A |
| Trunk Pin Switch Wire Location | N/A |
| Trunk Release Wire (-) | Pink/Light Green |
| Trunk Release Wire Location | At GEM (Generic Electronic Module) located above the driver kick panel. |
| Wait to Start Light Wire (-) | N/A |
| Wait to Start Light Wire Location | N/A |
| Factory Alarm Arm Wire (-) | N/A |
| Factory Alarm Arm Wire Location | N/A |
| Factory Alarm Disarm Wire (-) | Dark Green/Purple |
| Factory Alarm Disarm Wire Location | At GEM (Generic Electronic Module) located above the driver kick panel. |
| Factory Anti-Theft System | Ford Transponder Anti-Theft System |
| Factory Anti-Theft System Location | Transponder at Ignition Switch Tumbler |
| Factory Immobilizer Bypass | Requires Immobilizer Bypass Module |
Feel free to use any 2003 Ford Mustang 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 Ford Mustang 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 Ford Mustang.