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Registered
Join Date: Nov 2000
Location: kcmo
Posts: 1,069
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discharged battery
I've got a 83 944 and have had no major problems except a recurring battery problem.I've had the car a good ten years and it seems to me that either the batterys are no good or something is wrong with the charging system.The battery I now have is from a chain auto parts store and it's only six mnths old and I have had to recharge it twice in the last three weeks.The light in the dash never comes on and I checked the chargine system with my meter and it say's it 's charging.
Anyone else have this problem? Should I go for a Sears battery? |
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02-19-2003, 04:47 AM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,492
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Six sounds more like you have an electrical problem somewhere in the system and not a battery problem. Of course that is assuming that your battery reads around 12.5 when the car is not running and around 13.5-14 volts when the engine is running at 1000 rpm. One way you can check is to see if you have a voltage draw from the battery with the car turned off.
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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02-19-2003, 05:22 AM
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Registered
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Put an multimeter on the battery terminals and measure the load on the battery.
Then start pulling fuses and relays, watch for the volts to increase. You should then be able to find the culprit. In my case it was a poorly wired aftermarket radio that was draining my battery.
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2021 Model Y 2005 Cayenne Turbo 2012 Panamera 4S 1980 911 SC 1999 996 Cab |
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02-19-2003, 06:05 AM
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Just thinking out loud
Join Date: Nov 2001
Location: Close by
Posts: 6,884
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This probably is not your problem, but it has happened before, make sure your turn signal is canceled when the car is off. This will illuminate the signal lights and drain your battery. Just a thought.
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83 944 91 FJ80 84 Ram Charger (now gone) |
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02-20-2003, 09:24 AM
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Registered
Join Date: Feb 2003
Location: Murfreesboro, TN, USA
Posts: 110
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Had a bad cooling fan thermo switch that kept the fan running after the engine stopped until the battery was totally discharged. Happened within a day of buying the car and may have been intermittent before, don't know.
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Gene ____________ '86 944 NA '88 Citroën 2CV |
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02-20-2003, 09:33 AM
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suck my tail pipe
Join Date: Oct 2002
Location: Havertown, Pa. U.S.A.
Posts: 1,847
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Can you say Alternator?.. any meter bouncing or idle decrease when you turn on thr lights?.. or heater/a.c.?
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My car is naughty |
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02-20-2003, 04:41 PM
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1985.5 Porsche 944 2.5L Supercharged 
911 SC
Panamera
