running lights they stay on all the time

2000 MERCURY MOUNTAINEER
10,000 MILES • AWD • AUTOMATIC
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DUKE1968
  • MEMBER
  • 1 POST
How do I turn off the running lights they stay on all the time. I have to take the battery post off.
Jun 16, 2017 at 12:40 PM
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STRAILER
  • ASE Certified Mechanic
  • 54,840 POSTS
  • ASE Certified Mechanic
Hello,

It sounds like the running light relay is stuck on and needs replacement. Here is a wiring diagram and the location of the relay so you can get the problem fixed. (below)

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken

Jun 19, 2017 at 10:29 AM
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