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2000 Ford F-150 crazy

Tiny
BIGHIPPY
  • MEMBER
  • 2000 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 161,473 MILES
The other day I hit passing gear and it over 5000 rpm and my headlights dimmed. Does the computer shut down the altenator or something else?Cant figure it out
Thursday, March 11th, 2010 AT 10:19 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Did it only happen once? Also, the computer doesn't shut it down. THere is a voltage regulator in the alt. It may have done it due to the high RPM's.

Let me know.
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Saturday, March 13th, 2010 AT 5:21 PM
Tiny
BIGHIPPY
  • MEMBER
  • 3 POSTS
It has done it twice. Today I had mechanically inclined person look to see if there were any wires getting pinched and grounding out, but nothing was found.
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Saturday, March 13th, 2010 AT 11:18 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
I would start by having the alt tested. Most parts stores will do it in the vehicle at no charge. They can load test it to see if it is failing.
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Sunday, March 14th, 2010 AT 4:34 PM

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