Q: Battery problems with jeep

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A few weeks ago, my Check Engine light came on. Then a week or two later, both of my low beam headlights went out, though the high beams and all of my rear lights still worked. I had my battery checked, and it was still good, though a little low. The shop charged it back up for me. As I was leaving work the other night, I noticed that after I turned on the high beams, my dashboard lights started to dim and the battery volt gauge on the dashboard dropped below 9 volts. My jeeped began making a clunky guzzling noise and started to slow down before stalling.

It sounds like you are experiencing an electrical charging system issue. The alternator is not charging the battery properly. A spike in voltage will blow out your headlamps, and a drop in voltage will cause them to dim. I recommend having a qualified technician, such as one from YourMechanic, run a charging system test to see what the alternator is putting out. I suspect it to be faulty and the cause of the issues you are having.

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