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Registered
Join Date: May 2002
Location: Portland, Oregon
Posts: 12,651
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Battery or Regulator Failure
Today as I was prepping for Autocross I saw a bunch of white powder in my trunk near my 8 year old Interstate Conventional Lead/Acid Batteries. Typically this is from Acid fumes and I neutralize then recoat the affected areas with Extend and paint.
After my runs, I saw that the area near one of the batteries was damp. I sprayed some Windex (ammonia in Windex is a base) to neutralize the potential acid since I did not have any baking soda handy. When I got home, I pulled both batteries and they appeared do be dry. I wetted and neutralized the area some more and am waiting for it to dry. When I was driving home, I noted that my voltage gauge was showing about 13-14 volts for the entire 25 minute trip while at normal RPMS and about 12.5 volts at idle. I am planning on replacing my batteries with an Optima but should I be suspicious of the voltage regulator as well?
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Harry 1970 VW Sunroof Bus - "The Magic Bus" 1971 Jaguar XKE 2+2 V12 Coupe - {insert name here} 1973.5 911T Targa - "Smokey" 2020 MB E350 4Matic Last edited by HarryD; 06-08-2008 at 06:23 PM.. Reason: Correct battery age |
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06-08-2008, 05:04 PM
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Join Date: Jan 2002
Location: west michigan
Posts: 26,617
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Ten years on the same batteries?? I would start there, and see if the problem is corrected.
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78 SC Targa Black....gone 84 Carrera Targa White 98 Honda Prelude 22 Honda Civic SI |
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06-08-2008, 06:09 PM
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Join Date: May 2002
Location: Portland, Oregon
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Quote:
DOH! I should have checked before posting. They have been in there for only about 8 years...... 
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Harry 1970 VW Sunroof Bus - "The Magic Bus" 1971 Jaguar XKE 2+2 V12 Coupe - {insert name here} 1973.5 911T Targa - "Smokey" 2020 MB E350 4Matic |
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06-08-2008, 06:23 PM
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Join Date: Dec 2001
Location: SF South Bay Area
Posts: 106
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8 years is still a long time for a battery. You got a good deal on that battery.
Not a battery expert here, but it seems like once they go dry, they're not the same esp since yours is/was on it's last legs. Get the optima and make yourself a mounting plate our of something you're comfortable cutting.
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1989 Carrera Hookem Horns! |
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06-08-2008, 08:05 PM
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Registered
Join Date: May 2002
Location: Portland, Oregon
Posts: 12,651
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Quote:
Sadly, no easy cutting for me. In a Longnose, you stuff the battery sideways into one of the battery compartments.
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Harry 1970 VW Sunroof Bus - "The Magic Bus" 1971 Jaguar XKE 2+2 V12 Coupe - {insert name here} 1973.5 911T Targa - "Smokey" 2020 MB E350 4Matic |
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06-08-2008, 08:31 PM
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