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Turn signal flashing quickly but bulb still works

Discussion in 'Wrangler TJ (1996-2006)' started by Harmo, Mar 11, 2019.

  1. Mar 11, 2019 at 9:49 AM
    #1
    Harmo

    Harmo [OP] New Member

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    Right turn signal is flashing quickly but light bulb still works. Should I replace bulb anyway to fix to fix the problem or is problem in the relay?
     
  2. Mar 11, 2019 at 10:55 AM
    #2
    aggrex

    aggrex Well-Known Member

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    DE
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    Tuffy>AEV>TTO>JW>STech>EVOcage>MagnaFlow>SpiderTrax>RockHard>TF>SpringTail>67design>Bolt>GPCA>Curt>
    Welcome @Harmo ! Check to make sure both front+rear bulbs are working properly before moving onto the flasher unit or relay.
     
    Last edited: Mar 11, 2019
    JKBob 25 likes this.
  3. Mar 11, 2019 at 12:28 PM
    #3
    DustStorm4x4

    DustStorm4x4 Active Member

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    Sounds like there’s a broken fuse somewhere. I’d check all your fuses.
     
    aggrex likes this.
  4. May 5, 2019 at 11:56 AM
    #4
    morzh

    morzh Active Member

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    Usually in Jeeps this means one of your lightbulbs is bad, this is the diagnostics they implemented.
    Check all bulbs, find one that ain't working, replace.
     
    JKBob 25 likes this.
  5. May 5, 2019 at 12:40 PM
    #5
    TJ_abuser

    TJ_abuser Well-Known Member

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    2 inch lift, bumper and winch 33" mud claw
    My right front blinker does that when I run it thru a deep mud hole until I unplug it and plug it back in. Probably need to replace whole thing with LEDs
     
  6. May 5, 2019 at 12:41 PM
    #6
    TJ_abuser

    TJ_abuser Well-Known Member

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    The bulbs are wire in series like old Christmas lights. They wire them that way so like you said when one bulb is out it makes the flasher react to quick.
     
  7. May 5, 2019 at 12:42 PM
    #7
    TJ_abuser

    TJ_abuser Well-Known Member

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    2 inch lift, bumper and winch 33" mud claw
    All 4 blinker bulbs are on same fuse.
     
  8. May 5, 2019 at 12:44 PM
    #8
    TJ_abuser

    TJ_abuser Well-Known Member

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    Sometimes I can smack my fender and mine will start working also.
     
    DustStorm4x4 likes this.
  9. May 15, 2019 at 4:05 PM
    #9
    FishinSam

    FishinSam Member

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    Pull the plug out and disconnect. Pull the bulb.
    Clean all contacts. Replace bulb, plug in and test.
    Even a small amount of dirt or rust screws up the connection.
    Start with front bulb plug first.
    Just did this yesterday. One slightly dirty, rusty connection... works great now.
     
    JKBob 25 and aggrex like this.
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