Voltage Problem
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Joined: Dec 2004
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Voltage Problem
96 f150 I6. trucks runs and starts ok, when i get to a stop sign lights go dim and gauge drops. i tried shutting everything off i.e. heat, radio etc... doesnt make a difference. tried 3 batteries all the same. voltage when engine off , just over twelve. engine running= 14.8 or 9. is that too high. is my voltage regulator gone, cant find any loose grounds. all conections are clean. any suggestions?
sorry i forgot one symptom: gauge seems to go up after extensive driving or driving 100klm/ hr plus, like it is over charging. help!
sorry i forgot one symptom: gauge seems to go up after extensive driving or driving 100klm/ hr plus, like it is over charging. help!
Last edited by beez82gt; Jan 8, 2005 at 01:51 PM. Reason: forgot one symptom
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Joined: Jan 2001
Posts: 57,027
Likes: 2,762
From: Virginia
Your voltages look good. You may want to check your idle speed. If it's too low, you might want to take the throttle body and IAC valve apart and clean all the crude out of the passages and the throttle butterfly and see if that helps.
