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Could a improperly installed tail light cause my car to lose power?

Tiny
VALVAL63
  • MEMBER
  • 1994 FORD EXPLORER
Car loses power, idles erratically, headlights dim when at a stop. But when headlights aren't on, car runs fine when at a stop. Was side swiped and back tail light was replaced. Could that be the problem. Had diagnostic performed and they were dumbfounded as to why my vehicle presents with current problem.
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Monday, January 2nd, 2012 AT 1:51 AM

5 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
How is it improperly installed? Does it work right?
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Monday, January 2nd, 2012 AT 1:54 AM
Tiny
VALVAL63
  • MEMBER
  • 2 POSTS
I don't know if it was properly installed since i'm a novice. My dad saw all my lights dimming while my car was erratically idling. The odd thing is, this only happens when my lights are on
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Monday, January 2nd, 2012 AT 2:10 AM
Tiny
FIXITMR
  • MECHANIC
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Is your alternator charging ok? Do the lights brighten when you rev engine?
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Monday, January 2nd, 2012 AT 3:02 AM
Tiny
VALVAL63
  • MEMBER
  • 2 POSTS
The mechanic said he ran a diagnostic and everything was fine. Would he of checked my alternator with a routine diagnostic? And yes when I rev the engine the lights brighten
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Monday, January 2nd, 2012 AT 3:14 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Ok, some sleuthing says you have a bad ground somewhere. Like from battery to body/engine?
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Monday, January 2nd, 2012 AT 5:24 AM

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