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Vehicle Wiring Details for your
1997-2000 Mercury Mountaineer Wiring Diagram
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Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1997-2000 Mercury Mountaineer . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires with a digital multimeter before making any connections. More information on using a multimeter and testing wires please see our Technical Support Area.

 PART   COLOR  LOCATION
 12 VOLT CONSTANT   YELLOW (+)   @ IGNITION SWITCH HARNESS
 STARTER  RED/LIGHT BLUE (+)  @ IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  LIGHT GREEN/PURPLE (+) (2 wires, use only 1)  @ IGNITION SWITCH HARNESS
 IGNITION 2  BLACK/LIGHT GREEN (+)  @ IGNITION SWITCH HARNESS
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  GRAY/YELLOW (+) (2 wires, use only 1)  @ IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  WHITE/PURPLE (-)  IN DRIVERS KICK PANEL
 PARKING LIGHTS ( + )  PURPLE/WHITE (+)  IN DRIVERS KICK PANEL
 POWER LOCK  PINK/YELLOW (TYPE B)  IN DRIVERS KICK PANEL
 POWER UNLOCK  PINK/LIGHT GREEN (TYPE B)  IN DRIVERS KICK PANEL
 DOOR TRIGGER  BLACK/LIGHT BLUE (+)  IN DRIVERS KICK PANEL
 DOMELIGHT SUPERVISION  USE DOOR TRIGGER  
 TRUNK RELEASE  N/A  
 SLIDING POWER DOOR  N/A  
 HORN  YELLOW/LIGHT GREEN (-)  @ STEERING COLUMN HARNESS
 TACH  TAN/YELLOW (AC)  @ PCM, See NOTE #2
 WAIT TO START LIGHT  N/A  
 BRAKE  LIGHT GREEN (+)  IN DRIVERS KICK PANEL
 FACTORY ALARM DISARM   DARK GREEN/PURPLE (-)  IN DRIVERS KICK PANEL
 ANTI-THEFT  FORD'S TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #1  @ IGNITION SWITCH TUMBLER
 EXTRA INFORMATION
 NOTE #1: This vehicle is equipped with a Special Anti-theft key, to remote start you will need a Bypass module 791, use this module IF you have a extra ignition key to place inside the 791 to remote start, if you do not have an extra key to use or wish not to have a key placed inside this bypass module, we OFFER a KEYLESS INTERFACE BYPASS MODULE that does not require a key to be placed inside the bypass module, this is Part # PKALL or PKFM, either one will work, to order, go to the INTERFACE BYPASS MODULE PAGE on this website. NOTE #2: the PCM (Powertrain Control Module) is located at the TOP of the FIREWALL towards the Passenger side of the engine compartment.
 
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