Idiot Light Flashing
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Senior User
Joined: Jan 2007
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From: Mexico
Idiot Light Flashing
Today my battery light started flashing on and off. It will stop flashing when I put a load (run my AC) on the electrical system. When I turn off my AC or lights the battery light starts flashing again. This happens at idle and while going down the road.
What is this idiot light trying to tell me?
1990 F-250 7.3 Stock
What is this idiot light trying to tell me?
1990 F-250 7.3 Stock
Senior User
Joined: Nov 2009
Posts: 169
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From: Missoula, MT
sounds like a possible bad connection somewhere that said check all your battery connections for corrosion and clean any your find and make sure every thing is tight and cables are good. Check all the harnesses in the engine bay and look for any that look like they have been hot or melted and clean them making sure the connection is solid. Also check your headlight plug ins that seemed to be a recent problem for another member. Your alternator putting out that voltage is normal.
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Joined: Nov 2009
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Check the conector on your alternator. The cabels are probably loose on the brush holder. Thighten them with a pliar and try :-)
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Senior User
Joined: Jan 2007
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From: Mexico
Did you change the voltage regulator? Did that solve your problem? What procedures would you use to check to see if the voltage regulator is good or bad?
1990 F250 7.3idi
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Senior User
Joined: Jan 2007
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From: Mexico
I went to the auto part store in the pueblo and bought a new voltage regulator and installed it this morning. It seem to have been the trick.
Thanks for helping this idiot out with the "IDIOT LIGHT"
Thanks for helping this idiot out with the "IDIOT LIGHT"
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1999 - 2003 7.3L Power Stroke Diesel
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Apr 7, 2010 01:13 AM
