alternator/battery charging

2003 FORD F-150
111,000 MILES • V8 • 2WD • AUTOMATIC
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SLEMOINE
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  • 1 POST
what else would cause the truck not to charge? i replaced battery and 3 alternators and it will not keep a charge. ive checked voltage while running and not running and it is just using power from battery
Mar 31, 2009 at 11:42 AM
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BILLYMAC
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  • 2,204 POSTS
There is a fuse #F1.11 that sounds like it is blown or one of the fusible links is shorted here is a guide top help you check for power and the alternator wiring diagrams so you can see what to test.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester


Check out the diagrams (Below). Please run this test and get back to us.

Cheers
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Mar 31, 2009 at 4:00 PM
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DARRYL NIGHTOWL
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Thanks for the guide it was the fuse on my truck I love this site.
Aug 6, 2018 at 4:52 PM
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DOM.MAN
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  • 3 POSTS
How long topically does it take for a battery thats 1 year old to die from the keys left in the ignition but engine not on??
Oct 13, 2019 at 6:11 AM
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DANNY L
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Hello, I'm Danny.

Where the keys in the "on" position having the dash lights on? Or keys just sitting in the ignition in the "off" position? Thanks for using 2CarPros.

Danny-
Oct 13, 2019 at 4:10 PM