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07 JKU - Front turn signals do not work at all, running or blinking and the right side marker does not work, but the left one does. I am thinking I may have a ground issue (all bulbs are good), are these lights in series? Where would I look for a ground issue, is their a common problem spot? Any help is appreciated!!
 

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As far as the side marker light, I had the same problem in my 08. It was the wiring harness from the marker light where it plugs into the main harness. The pins inside the plug / connector where corroded badly.
 

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Sorry should have been "Did you replace that section"
Yes. I just went to the dealer. The bulb socket comes with the round marker lens and then the harness that goes from the lens socket to the main harness behind the headlight. Harness was like $20 and the lens and socket were about $40. Great time to install LED marker lights and then you just need the short harness. $40 is kind of steep for what you get at the dealer.
Take a look first, mine was easy to spot the problem. Green and corroded.....
 
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