Battery warning light on dashboard | Troubleshooting the problem

My battery lights turned on while I was driving. There are a few possible causes for this, so I'll troubleshoot and figure it out in this video.
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[@ImNotHereToArgueFacts]

Just because the alternator isn't charging doesn't mean the alternator is bad.
Check your belt, tensioner, connector on back of alternator.
Could also be a fuse (blown or corroded), bad bulb in the dash, or a bad wire in the harness.

[@bagwindydiyauto]

Well after I troubleshot the systems Included all of the above you suggested, I went ahead and replaced the alternator which resulted my charging system. Thanks for your input!!

[@lindapoworski2597]

I performed this test and realize the alternator is not charging. The alternator was replaced last supper and not driven much since. Is there a chance it could just be the voltage regulator that has failed?

[@bagwindydiyauto]

Assuming you have a Town and Country 2012- 2015. Most late model vehicles don’t have an external voltage regulator. The alternator and regulator made as one unit. I would start at the fuse box for open fuses, then connect your voltmeter at your battery, start the vehicle and check for minimum output voltage approx. 13.6V at idle speed from your alternator. Next with your battery disconnects,connect the voltmeter + lead to the + side of your alternator and the -lead to a proper ground. Reconnect the battery, start your vehicle and check direct output from the alternator. And if that doesn’t do it, you may have a bad alternator from stock. Also, check to make sure your drive belt is in good condition (routed properly and not broken) Hopefully this helps and thank you for subscribing and supporting my channel.

[@motologist1917]

brother i have ford fiesta mk6 1.4 tdci my problem is that whenever i start the car battery warning light comes on the dash but if i fully press the throttle all the way to 5k rpm it starts charging and light goes offf , plz help me to solve this issue . this problem started while i was driving home

[@bagwindydiyauto]

First, I would check the Alternator belt tension, loose or corroded battery terminal ends, battery efficiency,or alternator minimum voltage output . Please use your owner manual as guide.

[@motologist1917]

@@bagwindydiyauto ok thanks

[@jeromehiggins3678]

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