2000 Ford F-150 charging system

Tiny
JIMMYB1966
  • MEMBER
  • 2000 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 113,000 MILES
Hello my name is Jim, my problem is alternator. My battery light came on on dashboard of my 2000 f-150, I went to autopart store and they tested my alternator to find out it was bad (diodes)i bought a new alternator and put it in. Battery light went off for three days of driving and then came back on.I went back to the store and they checked it again to find out it had a charging problem they said check the wires to make sure all are tight if so take alt. Out bring it back and they will give me a new one. Is it posible my charging system did somthing to the previous alternator or did I get a defective one to begin with? Should I be cousios with puting in another alternator? Also have new battery.
Tuesday, January 8th, 2008 AT 6:13 PM

1 Reply

Tiny
FLEXY5
  • MECHANIC
  • 512 POSTS
Did you replace the battery at the same time as the altermator, before, or after? Did they test the battery also? On rare occasions, I have seen an alternator go bad and take out the battery. A bad battery could cause new alternators to burn out as well. Have them tested seperately.
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Tuesday, January 8th, 2008 AT 11:03 PM

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