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Old 06-24-2014, 12:41 PM   #1
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why are my headlights flickering?

since last week or so my head lights have started to flicker. dont know why, and dont even slightly know where to begin tracking down the issue? i visually and physically inspected the under dash plugs and components and then opened the hood and made sure nothing was loose and everything had contact. could my bulbs be bad? i have a 97 but i grabbed the clear style headlights out of a wrecked 2006 tj close to a year ago and never had an issue. if anyone can give me some direction as to what may possibly be causing this ill be really thankful.

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Old 06-24-2014, 01:02 PM   #2
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still on oem wiring? not to say that it is your problem, but aftermarket wiring goes directly to the battery and delivers higher voltages

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Old 06-24-2014, 01:56 PM   #3
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Check the ground line for the headlights for loose screws or corrosion. Also, try to clean the headlight contacts that go into the plastic connector. Stuff can build up on the connections over time and cause flickering.
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Old 06-24-2014, 02:19 PM   #4
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check your body to battery ground also, had this problem in an older cj5 drove me crazy until someone told me to check the body ground cleaned it up and presto no more flicker
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Old 06-24-2014, 02:45 PM   #5
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If both headlights are flickering on & off together, odds are that the headlight switch itself is starting to fail. Fortunately that's an easy and inexpensive job.
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Old 06-24-2014, 05:50 PM   #6
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Quote:
Originally Posted by Jerry Bransford View Post
If both headlights are flickering on & off together, odds are that the headlight switch itself is starting to fail. Fortunately that's an easy and inexpensive job.
when i bought the jeep, the guy i bought it from helped me replace it before driving it home. im not sure how long those are supposed to last?

as for all the other suggestions ill have to look at diagrams and figure out where all that stuff is. if anyone has a direct quick link to that id love you forever.
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Old 06-24-2014, 05:58 PM   #7
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At each headlamp is a ground.
Remove and clean the bare metal then reinstall.

I spent the $150 and replaced both headlights with hella h4 replacements and installed a new harness.
They are so bright now. 90/110

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