battery light
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Senior User
Joined: Dec 2009
Posts: 170
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From: Richmond VA
battery light
I keep having my battery light come on and off in my 2003 F350, it comes on after i let off the throttle and goes away when i am on the throttle. the auto store checked the batterys and alternator and said both are good. Is it possible to have a bad ground somewhere or something.
Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
Yes, it's possible to have a bad ground somewhere or something. But.....
Get the alternator professionally checked if you can't do it yourself.
I suspect your parts-house chimps are clueless.
It sounds like an alternator.
Pop
Get the alternator professionally checked if you can't do it yourself.
I suspect your parts-house chimps are clueless.
It sounds like an alternator.
Pop
Postmaster
Joined: Oct 2004
Posts: 3,767
Likes: 1
Years ago, my light would flicker with a new alternator even though the parts store monkey's tester said the alternator was good. I politely demanded a new alternator. They obliged and I've been running it ever since. I think about 5 1/2 years now.
I don't like those parts store testers. In the vehicle or out.
I don't like those parts store testers. In the vehicle or out.
Cargo Master
Joined: Feb 2005
Posts: 2,837
Likes: 1
Agree 100% with above posters. And I reccomend going with a NAPA or similar alternator that has a lifetime warranty if you plan to keep the truck. Mine goes out every couple of years, but I only paid for one alternator.
Lead Driver
Joined: Jan 2007
Posts: 6,708
Likes: 5
From: Kiowa CO
Ditto. Sounds like the alternator.
Duct Tape Tech.
Joined: Jul 2009
Posts: 2,381
Likes: 1
From: San Antonio Tx.
I had this problem about 3 mohths ago. We were on a trip,and stoped for the night at an RV park in Alabama. It was about 40* and lite rain. When I started the Truck the next day my battery light came on at low idle, when I would speed it up it would go out. After a hundred or so miles it was it was fine. The next day still fine. A couple days later it happened again, same temp and lite rain, same results, went away after driving.That night I cleaned all the battery connections. The problem has never come back
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Postmaster
Joined: Jan 2007
Posts: 3,418
Likes: 1
From: Circle Pines
Take your altenator off and bring it in to be checked. I have had altenators pass the in truck test and fail the bench test.
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Thread Starter
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Senior User
Joined: Dec 2009
Posts: 170
Likes: 0
From: Richmond VA
when i get back home on Friday i will check out the green wire. its only been doing it since i used 4wd a couple of weekends ago. thats why i was thinking a grounded wire or a wire rubbing somewhere
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