2012 Ford Fiesta Car Alarm Wiring Instructions

Whether your an expert Ford Fiesta car alarm installer, Ford Fiesta performance fan or a novice Ford Fiesta enthusiast with a 2012 Ford Fiesta, a Ford Fiesta 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 2012 Ford Fiesta.

The Modified Life staff has taken all its Ford Fiesta car alarm wiring diagrams, Ford Fiesta car security wiring diagrams, Ford Fiesta car alarm wire diagrams, Ford Fiesta car security wiring schematics, Ford Fiesta car security diagrams, Ford Fiesta 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 Fiesta 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 2012 Ford Fiesta.

Questions

If you have any questions pertaining to the car wiring in a 2012 Ford Fiesta, 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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Adding More Information

If you would like to help the Modified Life community by adding a car security wire schematic, car alarm wire diagram, car remote starter wire diagram, auto remote starter wire diagram or auto security wire diagram to our resource, please feel free to post any additional car wiring information about the 2012 Ford Fiesta on this page.

2012 Ford Fiesta Car Alarm Wiring Instructions

Battery Constant 12v+ Positive Wire (+): Red
Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness

Starter Positive Wire (+): Blue/White
Starter Positive Wire Location: Ignition Switch Harness

Second Starter Positive Wire (+): N/A
Second Starter Positive Wire Location: N/A

Ignition Positive Wire (+): Brown/Yellow
Ignition Positive Wire Location: Ignition Switch Harness

Second Ignition Positive Wire (+): N/A
Second Ignition Positive Wire Location: N/A

Third Ignition Positive Wire (+): N/A
Third Ignition Positive Wire Location: N/A

Accessory Positive Wire (+): Violet/Green
Accessory Positive Wire Location: Ignition Switch Harness

Second Accessory Positive Wire (+): N/A
Second Accessory Positive Wire Location: N/A

Key Sense Wire: Blue/Gray
Key Sense Wire Location: Ignition Switch Harness

Parking Light Negative Wire (-): Yellow/Blue
Parking Light Negative Wire Location: Ignition Switch Harness

Parking Light Positive Wire (+): N/A
Parking Light Positive Wire Location: N/A

Power Door Lock Negative Wire (-): Gray/Brown
Power Door Lock Negative Wire Location: At BCM Module Above the Passenger Footwell Behind the Glove Box

Power Door Unlock Negative Wire (-): Brown/Green
Power Door Unlock Negative Wire Location: At BCM Module Above the Passenger Footwell Behind the Glove Box

Door Trigger Negative Wire (-): Green
Door Trigger Negative Wire Location: At Small Under Dash Light

Dome Light Supervision Wire (-): Yellow/Gray
Dome Light Supervision Wire Location: At BCM Module Above the Passenger Footwell Behind the Glove Box

Trunk Trigger Negative Wire (-): Yellow/Orange
Trunk Trigger Negative Wire Location: At BCM Module Above the Passenger Footwell Behind the Glove Box

Trunk Release Negative Wire (-): N/A
Trunk Release Negative Wire Location: N/A

Sliding Power Door Wire: N/A
Sliding Power Door Wire Location: N/A

Horn Negative Wire (-): Brown
Horn Negative Wire Location: At BCM Module Above the Passenger Footwell Behind the Glove Box

Tachometer Wire Negative Wire (-): N/A
Tachometer Wire Negative Wire Location: N/A

Wait To Start Wire: N/A
Wait To Start Location: N/A

Brake Light Positive Wire (+): Blue/Gray
Brake Light Positive Wire Location: At Switch Above the Brake Pedal

Factory Alarm Arm Wire (-): Yellow/Gray
Factory Alarm Arm Wire Location: At BCM Module Above the Passenger Footwell Behind the Glove Box

Factory Alarm Disarm Wire (-): Violet/Brown
Factory Alarm Disarm Wire Location: At BCM Module Above the Passenger Footwell Behind the Glove Box

Factory Anti-Theft System: Ford PATS or Securilock Key Vehicle Immobilizer
Factory Anti-Theft System Location: Key Sends RF Signal to the BCM Module

The 2012 Ford Fiesta alarm wire color and location information above is updated as it is submitted by the Modified Life community.

Make Your Car Alarm Installation Easy with these Tools and Accessories

3 Comments

  • Reply Jose Diaz June 7, 2013 at 12:38 pm

    I will like to have a 2013 ford fiesta car alarm wire diagram. thanks.

  • Reply ModifiedLife June 25, 2013 at 9:20 pm

    Jose, ask and you shall receive: 2013 Ford Fiesta Car Security Wiring Diagram

  • Reply Isaac Frempong November 5, 2015 at 9:53 am

    Hi there, I have a 2012 ford fiesta SE which I intend to fit an aftermarket alarm to. First question I would like to ask is, does the SE model have a factory alarm? First off, when the lock button is pressed twice on the key fob, the horn honks as if to signal that an alarm is engaged. However, it does not react to any shocks or when the doors are opened from the inside through an open window whiles the car is locked. So does it have an alarm or not? Second question has to do with wiring the door open signal to the aftermarket alarm. It appears that on the fiesta, all doors have individual signals, which in effect makes it a bit of a challenge integrating it into the venom aftermarket alarm that I have here with only one feed into the system for the door open signal. Any way I come work around that?

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