Question about 1995 Buick LeSabre

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Problem: Headlights, dashlights, interior lights all go dim then bright, then dim again, bright again, dim bright, dim bright just like clockwork. The problem is intermittent and doesn't happen all th

I installed a new alternator: no change I switched the battery: no change I ran a cable from the positive battery terminal to the alternator: no change

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You need to run another cable to frame of car or fix existing one you have a bad ground to chassis

Posted on Feb 08, 2014

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Posted on Jan 02, 2017

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SOURCE: Low voltage, the battery runs low when running the car

What is the voltage you are reading? Is it below 13.2 or so? Also have you checked the current with the engine off to see if something else is working that should not be on. I ran across this twice while working on a truck and car. A relay that was wore out keep trying to close and would drain the battery every couple of months. Sometimes you can hear them clicking or buzzing. Touching them sometimes they are warm or real hot. But that is not a sure sign it is bad. In my Trailblaze they get hot but are ok. Another thougth is the belt on your alt, correctly set to spin it at the right voltage. I have ran across this many times lately with serpatine belts.

Posted on Aug 04, 2009

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SOURCE: headlights won't come on

both headlight bulbs need changing/ check the fuse first under the dash and in the engine compartmentplease rate my response thank you very much

Posted on Jan 31, 2009

johnjohn2
  • 5763 Answers

SOURCE: The headlights only work on Bright. The dim

could be dimmer switch,may heat up and kill lights or maybe headlamp switch, your at a point were you are going to have to replace parts,first thing is headlamp switch, take apart but leave it pulged in when lights dont work install new switch and see if that works, this is not a diffuclt problem dont know why dealer could not pin point,anyway start there, good luck.

Posted on Oct 30, 2009

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