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Electrical Issues possibly related to battery

sumaznguy210

Member
First Name
Sam
Joined
May 15, 2023
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Location
San Antonio
Vehicle(s)
2021 JLUR
Just wanted to check in here and see if anybody has experienced my issues, I've tried searching the forums but haven't had any luck.

A few months ago I started to have issues with 21 JLUR 2.0T, my ESS started to act up and I had the typical service start/stop system. All of the sudden the issue went away and when I mentioned it to the dealership they were unable to replicate the issue. Fast forward to this past week I started to have the same issue and then a few days later my passenger headlight and tail light stopped working. The brake and turn signal on the tail light works, however my headlight has no functionality.

I did the aux battery bypass after a bit more research and have also swapped out the exterior light fuses. My hunch was that my main battery is drained, however when I took it to an auto store today, I was told it was still good and just needed a charge. Does anybody have any idea what it is? Thanks in advance!
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running_man

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Andy
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2019 Rubicon JLU, 2003 BMW Z4, 2012 Lexus ES350
While I didn't experience any start/stop issues, when I had battery issues and took it to Autozone to be checked, initially they told me it was fine and just needed charged....fast forward 3 days and battery issues again. Took it back to Autozone and a different person told me that the battery, in fact, was bad. Not sure how old your current battery is or if it's AGM or not, but I'd invest in a new battery and get the AGM H7 with 850 CCA, should last longer and be better than the H6....
 
 







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