part time taillight - Jeep Commander Forums: Jeep Commander Forum
Electronics / NAV Discussion This section contains discussion about the electronics system and NAV system in the Jeep Commander.

 
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post #1 of 7 (permalink) Old 09-20-2014, 05:15 PM Thread Starter
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part time taillight

Hey Guys,
So I have a taillight that's giving me problems. It only works part time.
When u brake or use turn signal it works. When you remote start and maker lights come on, it does not. When the head lights are on it is not. When head lights are on and you brake and use turn signal it works. Took it into the dealer and they said a new light and pig tail would fix it. Has anyone had this same issue?
Any thoughts? Anyone.
Thanks in advance!!
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post #2 of 7 (permalink) Old 09-22-2014, 09:29 AM
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Many Tail Light Bulbs are dual element. Meaning the bulb itself has 2 light producing filaments on seperate circuits. I don't know for a fact if the Commander's tail lights are dual element, but its possible.

So, one element in the bulb could do turn signals and brake lights, while another does remote start or parking lamp (when the headlamps are on). If only one element burns out, you'd only lose half the functions of the bulb.

There could be corrosion in the bulb socket, etc.

Pull the bulbs out of the malfunctioning tail lamp, look them over to see if you can tell one of the elements are burned out. As well, look over the bulb socket and see if there is corrosion or dirt/liquid that can create shorts.

For what little a replacement tail light bulb costs, I would just get new tail light bulbs and some bulb grease and replace them. If it still doesn't work, double check the sockets for corrosion/dirt/liquid and clean them. If it still doesn't work, then its time to start trouble shooting with a multi-meter, make sure voltage is actually making it to the contacts in the socket.


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post #3 of 7 (permalink) Old 09-25-2014, 08:06 AM Thread Starter
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Thanks for your comment. I did try that first. However I didn't use grease. When I installed them. Do you think that's the missing link?
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post #4 of 7 (permalink) Old 09-25-2014, 08:10 AM
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Could be, its NOT hard to pull these bulbs and inspect them and their sockets, I would be doing that now and see if you can see anything wrong.

New bulbs are $5, bulb grease $1, get a new set and put them in with the bulb grease, if there is corrosion/contamination in the socket clean it out before installing the new bulbs. If that doesn't fix it, what have you lost?


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post #5 of 7 (permalink) Old 09-25-2014, 08:18 AM Thread Starter
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I will give it a try. Thanks!
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post #6 of 7 (permalink) Old 01-07-2015, 09:40 AM
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Any suggestions on the best way to replace a socket?

2006 Jeep Commander, passenger side tail/turn works erratically. I have used a tester to confirm there is something loose in the socket. Chrysler doesn't sell the socket, only the harness ($109) and I can't find a socket on any of the after market sites. Has anyone come up with a work around?
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post #7 of 7 (permalink) Old 01-07-2015, 01:15 PM
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Quote:
Originally Posted by tomw View Post
Any suggestions on the best way to replace a socket?

2006 Jeep Commander, passenger side tail/turn works erratically. I have used a tester to confirm there is something loose in the socket. Chrysler doesn't sell the socket, only the harness ($109) and I can't find a socket on any of the after market sites. Has anyone come up with a work around?
$70 shipped to me
http://www.mymoparpart.com/p/Jeep__/...wd=&origin=pla

$12
http://www.ebay.com/itm/like/1114713...lpid=82&chn=ps

Or check a junkyard
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