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I recently replaced my battery because the battery light had come on and I went to AutoZone to get the battery checked and sure enough it was bad battery but it was time for that battery to go it was the one that came with the Jeep, anyways recently I've been trailing around and night and I have to use my light bar, after a while of using the light bar the jeep starts to "run out of battery" I assume, I'm not really too sure what's wrong with it but after a while, the light bar starts strobing then it turns off and it comes back on and the battery icon shows up, while this "strobing" of the light is happening the headlights are also doing the same thing and everything that is illuminated in the jeep, kinda scary when it happens at night not gonna lie. Any idea why this is happening? When I went to AutoZone they checked the alternator and it was good. Also from time to time while I'm driving the speedometer will drop to 0 and the ABD light and the Brake light come on and the jeep makes that sound like when your fuel light comes on, the rpm needle isn't affected while this happens, but then everything comes back to normal not even a second later. I'm not sure what's wrong with my Wrangler... It's a 2017 JKU any idea what could be going on?
 

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First problem your going to AutoZone, they'll sell you every part under the sun. You need to have the charging system properly checked out. The lights are flickering because of either low voltage or a bad ground.

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you can go piss up a rope
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Do you have anything wired under the battery cable terminal studs that are used to tighten the cables to the battery? Might want to give the battery cables a good tug and see if they are loose.

P.s. don’t forget to stop by the welcome room and introduce yourself. After 10 or so posts you can post pictures.
 
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