Whether your an expert Ford F250 car alarm installer, Ford F250 performance fan or a novice Ford F250 enthusiast with a 2003 Ford F250, a Ford F250 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 Ford F250 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 Ford F250 car alarm wiring diagrams, Ford F250 car security wiring diagrams, Ford F250 car alarm wire diagrams, Ford F250 car security wiring schematics, Ford F250 car security diagrams, Ford F250 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 Ford F250 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 Ford F250.
If you have any questions pertaining to the car wiring in a 2003 Ford F250, please feel free to post it at the bottom of this page and either we will do our best to find you the information you need or hopefully someone in the Modified Life community will have the information you are looking for.
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2003 Ford F250 Automotive Security Wire Diagram
Vehicle Ignition Wire (+): Red/Light Green
Vehicle Ignition Wire Location: Ignition Switch Harness
Vehicle Second Ignition Wire (+): Red/Black
Vehicle Second Ignition Wire Location: Ignition Switch Harness
Vehicle Accessory Wire (+): Gray/Yellow
Vehicle Accessory Wire Location: Ignition Switch Harness
Vehicle Second Accessory Wire (+): Dark Blue/Light Blue
Vehicle Second Accessory Wire Location: Ignition Switch Harness
Automobile Engine Starter Wire (+): Dark Green
Automobile Engine Starter Wire Location: Ignition Switch Harness
Automobile Second Engine Starter Wire (-): N/A
Automobile Second Engine Starter Wire Location: N/A
Factory Anti-Theft System: Ford PATS or Securilock Key Vehicle Immobilizer
Factory Anti-Theft System Type: Key Sends a RF Signal to the BCM Module
Crankshaft Sensor Wire: N/A
Crankshaft Sensor Wire Location: N/A
Camshaft Sensor Wire: N/A
Camshaft Sensor Wire Location: N/A
Car Key Sense Wire (-): Black/Pink
Car Key Sense Wire Location: At 8-Way Connector to the Right of the Steering Column
Car Neutral Safety Wire (-): Red/Light Blue
Car Neutral Safety Wire Location: Ignition Switch Harness
Car Tachometer Wire (-): Uncommon Side of Injector at Coil
Car Tachometer Wire Location: At ECM Module on Driver Side of Engine Compartment
Car Speed Sense Wire: Gray/Black
Car Speed Sense Wire Location: At ECM Module on Driver Side of Engine Compartment
Car Parking Lights Wire (+): Brown
Car Parking Lights Wire Location: At Rear of Driver Door Sill Plate Harness
Car Brake Lights Wire (+): Light Green
Car Brake Lights Wire Location: At Switch Above the Brake Pedal
Car Reverse Lights Wire (+): Black/Pink
Car Reverse Lights Wire Location: At Central Junction Box Under the Driver Side Dash
Car Horn Wire (-): Dark Blue
Car Horn Wire Location: At 8-Way Connector to the Right of the Steering Column
Car Rear Defrost Wire: N/A
Car Rear Defrost Wire Location: N/A
The 2003 Ford F250 remote start wire color and location information above is updated as it is submitted by the Modified Life community.