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2x fast blinker & brake light

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Old Dec 12, 2009 | 01:33 PM
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Default 2x fast blinker & brake light

Ok soooo right at 32,xxx miles "when my warrenty ends" my left blinker and brake light will not work when my motor is warm, If i go out in the morning everyting works great then 5minutes down the road my left blinker goes 2x as fast but only in the front and my rear wont work at all, the right side works perfect. And no the bulbs are not broken.

Any thoughts???

08 JK 3.8 v6
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Old Dec 12, 2009 | 01:45 PM
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Originally Posted by 08_jk
Ok soooo right at 32,xxx miles "when my warrenty ends" my left blinker and brake light will not work when my motor is warm, If i go out in the morning everyting works great then 5minutes down the road my left blinker goes 2x as fast but only in the front and my rear wont work at all, the right side works perfect. And no the bulbs are not broken.

Any thoughts???

08 JK 3.8 v6
All I can think of is a bad bulb or a loose plug somewhere..Or maybe a bad relay or flasher....I'm stumped after that..
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Old Dec 12, 2009 | 01:51 PM
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Well i thought it might be a bad bulb etc..... but if that were the case it shouldnt work at all... my left blinker and tail light will work if i have not ran my jeep in awhile. But once i take off driving it stops working.
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Old Dec 12, 2009 | 01:55 PM
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Originally Posted by 08_jk
Well i thought it might be a bad bulb etc..... but if that were the case it shouldnt work at all... my left blinker and tail light will work if i have not ran my jeep in awhile. But once i take off driving it stops working.
Wrong. One bulb goes, the other will blink double time. Change your bulbs that WILL solve the problem, trust me.
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Old Dec 12, 2009 | 02:21 PM
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Originally Posted by BlackNorthernJK
Wrong. One bulb goes, the other will blink double time. Change your bulbs that WILL solve the problem, trust me.
what he said. fast blinker is an indicator that you have a bad blub.
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Old Dec 12, 2009 | 03:05 PM
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not that a bulb would be covered by warrenty, but isn't your warrenty 3 years 36,000 miles not 32,000. I would say it is a bulb though.
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Old Dec 12, 2009 | 03:58 PM
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Ohh 36,000 miles seems better lol for some reason i was thinking 32,000 thanks! =)


All my bulbs are still connected inside and not broken apart, isnt that how to tell if a bulb is blown? A bulb can still go bad and work at the same time? I will replace the bulb but which one do i replace sense they still all work?
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Old Dec 12, 2009 | 04:40 PM
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....dude, change your bulb.
You have two filaments in the rear bulbs, one filament is for the brake the other filament is for the indicator light. One is either burned out, or no longer conducting appropriately in order to illuminate, simply change bulbs and you should be good. If not...might be an electrical issue further down the line...though I tend to doubt it
If it's one of your rear lights blinking double time, change the front because it's most likely not illuminating and is the burned bulb, if its the front indicator blinking double time, change the rear because that's the problem bulb....one or the other is not blinking when your indicator is on...identify it and change it

Last edited by BlackNorthernJK; Dec 12, 2009 at 04:43 PM.
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Old Dec 12, 2009 | 05:04 PM
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Ok i just went to the part store who is sending me $6.99 through paypal? changed all my bulbs and still doesnt work. My flashers work, revs works, tail lights work but no left turn signal and brake light.
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Old Dec 12, 2009 | 05:13 PM
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Ok..so you changed your rear left upper bulb for a new bulb? If that didn't work, I'd be checking the socket to ensure it's not corroded or broken in some manner, then manipulate the wires leading out to see if it's a broken wire.
I just went through this with mine. Left turn signal was blinking double time fast, noticed left tailight was working but turn signal was not....pulled housing it started working again..but only for a couple minutes, like maybe I rattled the connection back together...eventually I just changed the bulb and it was just fine.
It should just be a simple bulb change, make sure you get the right replacement bulb though.
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