2004 Ford Focus Alarm Wires
Find the right alarm wire colors, locations, and polarity with this 2004 Ford Focus alarm wiring diagram. This will help you install your car alarm wiring correctly.
| Application | Wire Color and Location |
|---|---|
| Battery Constant Power 12v+ Wire (+) | Red |
| Battery Constant Power 12v+ Wire Location | At Ignition Switch Harness |
| Ignition Wire (+) | Green/Yellow |
| Ignition Wire Location | At Ignition Switch Harness |
| Second Ignition Wire (+) | N/A |
| Second Ignition Wire Location | N/A |
| Accessory Wire (+) | Yellow |
| Accessory Wire Location | At Ignition Switch Harness |
| Second Accessory Wire (+) | N/A |
| Second Accessory Wire Location | N/A |
| Starter Wire (+) | Gray/Black |
| Starter Wire Location | At Ignition Switch Harness |
| Second Starter Wire (+) | N/A |
| Second Starter Wire Location | N/A |
| Ground Wire | Chassis |
2004 Ford Focus Alarm Sensor Wires
Find the right alarm sensor wire colors, locations, and polarity with this 2004 Ford Focus alarm sensor wire chart. This will help you connect all your car alarm sensors correctly.
| Application | Wire Color and Location |
|---|---|
| Brake Light Wire (+) | Green/Red |
| Brake Light Wire Location | At GEM (Generic Electronic Module) located above the passenger kick panel. |
| Dome Light Supervision Wire | Black/Blue (Requires Relay) |
| Dome Light Supervision Wire Location | At GEM (Generic Electronic Module) located above the passenger kick panel. |
| Door Trigger Wire (+) | This vehicle has 4 door trigger wires. The drivers door trigger is a yellow/black wire (-) in a tan plug, pin 22. The passenger door trigger is a black/blue wire (-) in a tan plug, pin 21. The drivers rear door trigger is a black/orange wire (-) in a white plug, pin 15. The passenger rear door trigger is a black/green wire (-) in a gray plug, pin 15. When connecting to an alarm system use all 4 door trigger wires and diode isolate each wire. |
| Door Trigger Wire Location | At GEM (Generic Electronic Module) located above the passenger kick panel. |
| Hood Pin Switch Wire (-) | N/A |
| Hood Pin Switch Wire Location | N/A |
| Horn Wire (-) | Black/Blue or Black/Green |
| Horn Wire Location | At GEM (Generic Electronic Module) located above the passenger kick panel. |
| Key Sense Wire (+) | N/A |
| Key Sense Wire Location | N/A |
| Parking Light Wire (+) | Orange/Yellow |
| Parking Light Wire Location | At GEM (Generic Electronic Module) located above the passenger kick panel. |
| Power Door Lock Wire (-) | Black/Red |
| Power Door Lock Wire Location | At GEM (Generic Electronic Module) located above the passenger kick panel. |
| Power Door Unlock Wire (-) | Black/Yellow |
| Power Door Unlock Wire Location | At GEM (Generic Electronic Module) located above the passenger kick panel. |
| Tachometer Wire (-) | Black/Blue or Black/Orange |
| Tachometer Wire Location | At Ignition Coil. |
| Trunk Pin Switch Wire (-) | N/A |
| Trunk Pin Switch Wire Location | N/A |
| Trunk Release Wire (-) | Black/Yellow (Requires Relay) |
| Trunk Release Wire Location | At the trunk release switch. |
| 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 (-) | Black/White |
| Factory Alarm Disarm Wire Location | At GEM (Generic Electronic Module) located above the passenger 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 2004 Ford Focus 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 2004 Ford Focus 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 2004 Ford Focus.