Car Alarm Wiring Diagram and Car Wire Schematics – 1991 Mercury Capri


Whether your an expert installer or a novice enthusiast with a 1991 Mercury Capri, an automotive wiring diagram can save yourself time and headaches. One of the most time consuming tasks with installing a car alarm, remote car starter, car security system or any mobile electronics is identifying the correct wires for a 1991 Mercury Capri.

The Modified Life staff has put their heads together to create an invaluable resource containing car alarm wiring diagram, remote car starter wiring diagram, car wiring diagram and car security wiring diagram. Feel free to use any car alarm wiring diagram or remote car starter 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. 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 1991 Mercury Capri.

If you can’t find your car alarm wiring diagram or remote start wire diagram on Modified Life, please feel free to post a car wiring diagram request (Car Alarm Wiring Diagram Request Page) and we’ll do our best to find you the information you need for your mobile installation.

1991 Mercury Capri Car Alarm and Remote Car Starter Wiring Information

Constant 12V+ Wire: Red
Constant 12V+ Wire Location: Ignition Switch Large Harness

Starter Wire (+): Black/Yellow
Starter Wire Location: Ignition Switch Harness

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

Ignition Wire (+): Black/White
Ignition Wire Location: Ignition Switch Harness

Second Ignition Wire: Black/Red
Second Ignition Wire Location: N/A

Accessory Wire: Blue
Accessory Wire Location: Ignition Switch Harness

Second Accessory Wire: N/A
Accessory Wire Location: N/A

Key Sense Wire (+): N/A
Key Sense Location: N/A

Tachometer Wire: Yellow/Blue
Tachometer Wire Location: Ignition Coil

Door Lock Wire (-): Add Actuator in Driver’s Door
Door Lock Wire Location: N/A

Door Unlock Wire (-): Add Actuator in Driver’s Door
Door Unlock Wire Location: N/A

Door Trigger Wire (-): Red/Blue
Door Trigger Wire Location: Driver Door Pin Switch or Fuse Panel.

Dome Supervision Wire: N/A
Dome Supervision Wire Location: N/A

Headlights Wire (-): Red/Green
Headlights Wire Location: Headlight Switch

Parking Light Positive Wire (+): Red/Black
Parking Light Positive Wire Location: Fuse Box

Parking Light Negative Wire (-): N/A
Parking Light Negative Wire Location: N/A

Trunk/Hatch Pin Wire (-): Blue/Red
Trunk/Hatch Pin Wire Location: Use trunk light.

Hood Pin Wire (-): N/A
Hood Pin Wire Location: N/A

Trunk/Hatch Release Wire (+): N/A
Trunk/Hatch 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 Alarm Disarm but No Unlock Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A

Horn Trigger Wire (-): Green/Black
Horn Trigger Wire Location: Horn Switch in Steering Column.

Brake Wire (+): White/Green
Brake Wire Location: Brake Pedal Switch.

Emergency Parking Brake Wire (-): N/A
Emergency Parking Brake Wire Location: N/A

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