1999 Ford F-250 Alarm Wires
Find the right alarm wire colors, locations, and polarity with this 1999 Ford F-250 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/Black (Use Larger of 2 Wires) |
| Ignition Wire Location | At Ignition Switch Harness |
| Second Ignition Wire (+) | Black/Light Green |
| Second Ignition Wire Location | At Ignition Switch Harness |
| Accessory Wire (+) | Gray/Yellow (Use Larger of 2 Wires) |
| Accessory Wire Location | At Ignition Switch Harness |
| Second Accessory Wire (+) | N/A |
| Second Accessory Wire Location | N/A |
| 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 |
1999 Ford F-250 Alarm Sensor Wires
Find the right alarm sensor wire colors, locations, and polarity with this 1999 Ford F-250 alarm sensor wire chart. This will help you connect all your car alarm sensors correctly.
| Application | Wire Color and Location |
|---|---|
| Brake Light Wire Location | At Switch Above Brake Pedal |
| Dome Light Supervision Wire | Use Door Trigger |
| Dome Light Supervision Wire Location | N/A |
| Door Trigger Wire (+) | Black/Blue |
| Door Trigger Wire Location | Located in gray molex plug to the right of the steering column. |
| Hood Pin Switch Wire (-) | N/A |
| Hood Pin Switch Wire Location | N/A |
| Horn Wire (-) | Dark Blue |
| Horn Wire Location | At the steering column wire harness. |
| Key Sense Wire (+) | N/A |
| Key Sense Wire Location | N/A |
| Parking Light Wire (+) | Brown |
| Parking Light Wire Location | At Headlight Switch |
| Power Door Lock Wire (-) | Pink/Yellow |
| Power Door Lock Wire Location | Vehicles with factory keyless entry are a type “B” door locking system. Wires are located in a grey molex plug on the right side of the steering column. Vehicles without factory keyless are a type “C” door locking system. When doing type “C” locks, use the drivers side switch when testing. Wires are located in the drivers door harness. |
| Power Door Unlock Wire (-) | Pink/Light Green |
| Power Door Unlock Wire Location | Vehicles with factory keyless entry are a type “B” door locking system. Wires are located in a grey molex plug on the right side of the steering column. Vehicles without factory keyless are a type “C” door locking system. When doing type “C” locks, use the drivers side switch when testing. Wires are located in the drivers door harness. |
| Tachometer Wire (-) | White/Pink |
| Tachometer Wire Location | At the Instrument Cluster. On diesel engine vehicle, the tachometer wire is a white/pink wire located at the PCM (powertrain control module) or at the main harness that runs on the inside of the firewall to the left of the brake pedal. For wait to start light, do NOT use the wire in the vehicle, use the 5, 10, 15 or 20 second programmable wait to start timer on the remote starter. |
| Trunk Pin Switch Wire (-) | N/A |
| Trunk Pin Switch Wire Location | N/A |
| Trunk Release Wire (-) | N/A |
| Trunk Release Wire Location | N/A |
| Factory Alarm Arm Wire (-) | N/A |
| Factory Alarm Arm Wire Location | N/A |
| Factory Alarm Disarm Wire (-) | N/A |
| Factory Alarm Disarm Wire Location | N/A |
| 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 1999 Ford F-250 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 1999 Ford F-250 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 1999 Ford F-250.