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  1. #1
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    Default Takes a few minutes for headlights

    I'm having a problem that I can't seem to locate. When I first turn on my headlights, it takes a few minutes for them to come on. They are not modded. Just standard headlights. All of my other lights come on as soon as I pull the switch. I've replaced the harness and the switch. Haven't tried the relay yet. Sometimes I can get them to turn on quicker if I rapidly push and pull the switch.

    Any ideas before I start going thru relays?

  2. #2
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    Default Re: Takes a few minutes for headlights

    What year of xj? Could possibly be the daytime running light module, unplug it and see if that helps, it's about 1 1/2" x 1 1/2" x 1 located on the pass fender, at the firewall.

    Also try cleaning the headlight terminals they could be corroded.

    Do the lights come on at all? Are they super dim at first? Or completely off.

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    Default Re: Takes a few minutes for headlights

    Good advice there from pook there.... Great places to start.
    We can troubleshoot this pretty easily, but its going to take a few steps.
    Most likely its going to be a relay, or ground issue.
    I was going to suggest an issue with the harness, but if you have already swapped that out, then that eliminates that i guess.
    5" lift, 33's. Armored, Lighted, Chipped, & Locked up Front. Soon to come: winch, gears, axle shafts, and more...
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  4. #4
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    Default Re: Takes a few minutes for headlights

    Its a 94. No daytime running lights. All of the terminals and connectors are clean. The headlights are the only thing affected. They remain off for a few mins. Then they come on. No dimming. Just a few min delay from when I pull the switch till they come on. Wiring is 95% new. I replaced most Of it after it started. Thinking it would solve it. I'm leaning towards the relay box.

  5. #5
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    Default Re: Takes a few minutes for headlights

    head light switch maybe?
    91 Cherokee RC 4.5 long arm lift ECTED locker in the front Lock Rite locker in the rear Warn front and rear bumpers with 8000lb Warn winch sliders Skyjacker shocks and disconects exterior paint orange/black Rinoline. Roof rack with KC lights. SADLY GONE BUT WON'T BE FORGETEN But hay there is still a XJ in the family

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  6. #6
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    Default Re: Takes a few minutes for headlights

    If you are running a relay for the lights, then I would check two things to start. That the relay coil is getting current right away and that current is going out when it does. Verifying it gets current is easy with a test light or a meter.
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  7. #7
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    Default Re: Takes a few minutes for headlights

    I replaced the switch with a new one.. Still doing it

  8. #8
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    Default Re: Takes a few minutes for headlights

    You will have to check for voltage to the components now to figure this out.
    230 hp 4.3L Chevy
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  9. #9
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    Default Re: Takes a few minutes for headlights

    When I checked them I was getting full voltage. That's what I'm confused about. I've traced and checked everything from the switch to the light.
    This should be a straight forward diagnoses but for some reason it like rocket science.

    It's driving me nuts

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    Default Re: Takes a few minutes for headlights

    Swap out a light and see if it still does it.
    Also disconnect one light and see if it still does it.
    Then hook it back up, and do the same thing with the other side.
    (process of elimination type stuff here.)
    Once you do this, report back, and we'll go from there.

    ...And i know its not typical, but just because you swapped out a component recently, that doesn't mean its not bad. I have had sensors and other components (even new electronics) come out of the box bad from the get go. It's not likely, but it IS possible.
    Last edited by NW99XJ; 11-18-2014 at 02:04 PM.
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  11. #11
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    Default Re: Takes a few minutes for headlights

    Get a priest!

    Cast out the demons!!!

    Out demon OUT!!!

    BEGONE FOUL BEAST!!!!

    Dancing naked around a campfire couldn't hurt too!

  12. #12
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    Default Re: Takes a few minutes for headlights

    I see you already replaced the switch. But I had a similar problem with my old '94 Dakota (also a Chrysler product) and it was the light switch. I never replaced it, just worked it a bunch of times, ON/OFF, and it was fine for another 5 years. Sorry yours isn't that easy.

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    Default Re: Takes a few minutes for headlights

    Quote Originally Posted by Mayooo View Post
    I'm having a problem that I can't seem to locate. When I first turn on my headlights, it takes a few minutes for them to come on. They are not modded. Just standard headlights. All of my other lights come on as soon as I pull the switch. I've replaced the harness and the switch. Haven't tried the relay yet. Sometimes I can get them to turn on quicker if I rapidly push and pull the switch.

    Any ideas before I start going thru relays?
    Next time jiggle your ignition key in the on position!
    When its cold, my headlights turn them selves off but a gentle jiggle brings them back, also adjust the tilt of the steering wheel down 1 notch. That might help. if it does, adjust the ignition switch under the dash.

    Something to try!
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  14. #14
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    Default Re: Takes a few minutes for headlights

    8 headlight harness from ebay................fixes many headlight dramas


    yw

  15. #15
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    Default Re: Takes a few minutes for headlights

    New harness, new lights, new switch (second one).. Same out come.. Then it stopped a few days ago. ???

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