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1999 Ford F-150 Alternator

Tiny
REDENF150
  • MEMBER
  • 1999 FORD F-150
Electrical problem
1999 Ford F150 Four Wheel Drive Automatic 78000 miles

While driving I started lossing power to, 1st my radio, then the gages on dash. I turned off my lights and everything powered up. Soon after started losing everything again. I took out Alternator and brought to Auto Zone for check. It failed. Replaced Alternator, #11 fuse (which was blown) and drove back to autozone for Battery, Alet, and Starter check and everything comes back fine but I am still losing electrical power after battery powers out. If running and I take pos cable off battery. It shuts down. Anything I could be missing?
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Wednesday, September 9th, 2009 AT 9:29 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Do you have an alt gauge? If so, does it show the alt is charging? I believe there is a fuseable link that runs from the alt to the battery. If it's bad, it won't charge.

Check fuse no. 30 30amp and fuse no. 111 50amp if okay see below


https://www.2carpros.com/forum/automotive_pictures/12900_alty_59.jpg

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Thursday, September 10th, 2009 AT 7:21 AM

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