Having problems with your 2000 Mercury Cougar ?

Right side running lights not working

\015 The right side running lights are not working on my 2000 mercury cougar. i have already checked the bulbs and fuses and they are both fine. i believe the wire may have been cut but i don't know what color the wire for those lights is. if someone could tell me the proper wire color or give me a diagram i could figure it out.\015 Posted / edited by AnonymousUser on : 16-09-2019

Answers :

Littlepyrodu, I would first back probe the wires going to the light bulb socket first to see if you are getting voltage to the socket, Sockets are prone to sometimes get to hot and resulting in the contact (inside of socket) to recess into the plastic housing causing it not to have contact with the bulb contacts. If you do not know how to back probe, you need a volt meter, cheapy will do just fine, and two small alligator clips (if the leads that come with the meter does not have them(some do) and two straight pins. First crimp the alligator clips on the free ends of the lead wires of the meter, set the meter for a 12 volt range (make sure your above 12 volt setting, less will fry your meter, take the two straight pins and stick them in the two wires going to the socket in question, space them apart a few inches so there is no chance in shorting out the two wires, clip on the alligator clips to the pins, turn on lights, if the meter swings to the left, reverse the alligator clips, wrong polarity, now you should have12 volts showing on your volt meter, if not, you do have a broken wire in the harness, that is as you stated " Fuse Is Fine". You also stated that the wire may have been cut,, you shouldn't need a diagram / schematic for that, the opposing color coded wire should be right there, either at the socket end or at the business end (under dash). Note: Look to see if there is a worn spot in the carpet, drivers side right at the side kick panel, there is a wiring harness under the carpet there that goes along the door threshold to various components in the car. My wife had a habit of resting her foot there all of the time while driving and wore a spot there and it exposed the wires located there, reason I know they are there. And is also where I connected wires from a remote starter for the door locks and trunk release and parking lights... If there is a worn through spot there or not, I would at least check there to see if a wire has been worn into or shorted out, all you have to do is pull the carpet out from under the driver side kick panel, enough to see the wires, then just tuck it back under the kick panel when done. Hope this helps you and anyone else with this issue.
Repair Help & Product Troubleshooting for 2000 Mercury Cougar

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