Battery, starter or alternator issues?

2007 FORD MUSTANG
184,123 MILES • 6 CYL • MANUAL
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B00TSIE
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My car lost power a week ago today,.I got a jump. I was driving to the auto zone, I started to loose power. One I arrived, Ireplaced the battery since the battery checker. Aid it was a bad battery. Car was doing well until Yesterday,
Again, my car wouldn't start. I looked at the battery the black cabl was loose. I put a nail in it until I made it to Advance Auto. I bought a terminal because the old one wouldn't tighten up. Got it replaced. I drove 25 miles and made it home just for me to loose power again. When I get a jump it turns all electrical works but it won't crank. Its turns and clicks when I try to crank it while it's connected to a battery jumper.
Feb 13, 2026 at 4:40 AM
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STRAILER
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It sounds like the battery is not charging while you drive, is the battery warning light on? I would use this video to help check the alternator to help confirm the failure,

https://www.youtube.com/watch?v=Z-p4dMJUpUw

You will need to charge the battery, a jumper box will not work if the battery is too dead.

https://www.youtube.com/watch?v=6x8RpV2p2R0

Please go over these guides and get back to us.
Feb 13, 2026 at 8:53 AM
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