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» Northern California Ford Owners     » Automotive   » Tech Talk   » Battery light???

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Author Topic: Battery light???
BLoWN FR500
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i got a 92 fox, and my battery light keeps coming on and off. when it comes on my subs turn off but my lights turn super bright and the battery meter goes to 18 volts, but my car doesnt die or try to turn off. ive already replaced the alternator but the battery is week. everytime i turn on my car the battery is almost dead. Any suggestions?

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89 Turbod Fobra - Sold
90 Lx - Sold
86 Lx - Sold
96 Cobra

I Stay Charged Like The Energizer Bunny

Posts: 1226 | From: San Leandro | Registered: Nov 2008  |  :
phonso302
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how old is the battery?

might be the actual battery

Posts: 1820 | From: PINOLE | Registered: Jun 2009  |  :
Secnd2nun64
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You should check the battery cables for corrosion too.
Posts: 1460 | From: CA | Registered: Jun 2002  |  :
BLoWN FR500
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i dont know i think the batterys pretty old...but theres no corossion...i guess imma try swappin the battery

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92 Fobra Supercharged - Stolen
89 Turbod Fobra - Sold
90 Lx - Sold
86 Lx - Sold
96 Cobra

I Stay Charged Like The Energizer Bunny

Posts: 1226 | From: San Leandro | Registered: Nov 2008  |  :
93bluecoupe
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Member # 9681

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My 93 does the same thing some one told me it was the after market pully I put on there do you have pullies?
Posts: 273 | From: Melolambes | Registered: Dec 2009  |  :
5.7L EATER
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Member # 9451

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something is messed up with your charging system

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Trickflow hurst with the nitrous burst makes the sport coupe fly and the chevy boyz cry

Posts: 26 | From: Sacramento | Registered: Sep 2009  |  :
BLoWN FR500
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Just a smaller supercharger but i doubt that has anything to do with it....im guessing its the voltage regulator!

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92 Fobra Supercharged - Stolen
89 Turbod Fobra - Sold
90 Lx - Sold
86 Lx - Sold
96 Cobra

I Stay Charged Like The Energizer Bunny

Posts: 1226 | From: San Leandro | Registered: Nov 2008  |  :
JohnB
Tech Moderator
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Do you have a capacitor on your sound system? If not, this is probably the issue...

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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500

Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002  |  :


 
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