Intermittent battery light
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Joined: Sep 2014
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Intermittent battery light
03 F250, 7.3, battery light comes on when cold. Engine runs terrible. P0308 comes up occasionally. Once truck warms up, light goes off, truck runs perfect. Some sort of voltage issue? Wondering if the misfire code is associated with voltage? Thoughts?
Lead Driver
Joined: Feb 2000
Posts: 5,373
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From: Palm Bay, Florida
WOW!!! Your VERY FIRST POST!! (I made mine over 15 years and 3 trucks ago!!)
Welcome aboard! Not sure what the code PO308 is, but it sounds like your alternator may be on its way out.
You can have it checked and if its not working as it should you should have IT rebuilt by a quality, home town type auto electric shop over buying a questionable unit at a box store.
Welcome aboard! Not sure what the code PO308 is, but it sounds like your alternator may be on its way out.
You can have it checked and if its not working as it should you should have IT rebuilt by a quality, home town type auto electric shop over buying a questionable unit at a box store.
Super Moderator
Joined: May 2004
Posts: 29,380
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From: Central Coast of CA
What's your voltage when this happens?
What's your voltage when this happens?
Stewart
Once truck warms up, light goes off
Stewart
Postmaster
Joined: Apr 2005
Posts: 2,759
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From: round rock, tx
The battery light is flickering due to a bad wire in the three wire pigtail
cut it off and replace it with a new one
The three wires are pulled up and not making good contact in the alt
I had this issue and fixed it after many bad alt replaced/new batteries
cut it off and replace it with a new one
The three wires are pulled up and not making good contact in the alt
I had this issue and fixed it after many bad alt replaced/new batteries
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