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2008 Ford F-350 charging problem in my superduty

Tiny
DEVELOPER7
  • MECHANIC
  • 2008 FORD F-350
  • 6.2L
  • V8
  • TURBO
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
I replaced my fried alternator but it still isn't charging. After putting in a brand new alternator it still won't charge? Is there some fusible links I am not seeing? What can I do to troubleshoot this? I Thank you for your attention to this.
Thursday, December 19th, 2013 AT 4:32 PM

2 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,754 POSTS
First measure the voltage on the generator's output terminal with the engine off. A test light will work fine for this. You must find full battery voltage there all the time. If it's missing, there is a fuse or fuse link wire burned open between there and the battery positive terminal.
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Thursday, December 19th, 2013 AT 4:39 PM
Tiny
BMDOUBLE
  • MECHANIC
  • 1,139 POSTS
Make sure you have 12 volts on both red wires at alternator, if no voltage there you have 3 fusible links on the harness next to the battery 1 18 gauge gray, 2 8 gauge light blue.
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Thursday, December 19th, 2013 AT 7:01 PM

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