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Loss of *ALL* power

Driving along, the radio shuts off and turns back on. Whatever, keep driving.

Little later, stopped at a stoplight, and my car shuts off.
Try to turn it back on using the key, no click, no lights, no sound, no power.
Try to turn on hazards, no dice.

A few seconds later, my headlights fold back down (key was in off position)

Power must be back on! Turn the key, sure enough, starts right up.

Radio doesn't work anymore

Gremlins?
Is there a self cylcing breaker switch?
Any ideas?

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Old 11-11-2006, 11:10 AM
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Voltage meter reading high or low?
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Old 11-11-2006, 11:35 AM
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low -- at 12? I think....
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Old 11-11-2006, 11:54 AM
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I am guessing that it's just a bad electrical connection on the battery or the starter. The car's main power comes from those two sources. Also check the main ground cable on the battery and where it attaches to the back of the block.
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Tom

1990 944S2 Cabriolet
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2003 Maroon Ford F350 dually
Old 11-11-2006, 12:29 PM
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sounds like the alternator.
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1983 944 guards red with 16" Fuchs, Host of Wisconsin area timing/ balance shaft belt tensioning party
1987 944S Purchased from Legion. Corvette LT-1 V-8 conversion with Mega Squirt II
Check on progress ---> www.porschehybrids.com/gallery/speedracing944
Favorite Road = www.tailofthedragon.com 318 turns in 11 miles (11 min 20 sec best run)
Old 11-11-2006, 02:55 PM
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Could be an alternator...but when he said it would shut off and then start right back up a few moments later, that led me to believe that the battery was still charged but wasn't getting power to the car for a short period of time. One other possibility I thought of later was the possibility of a switch key.
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1990 944S2 Cabriolet
2002 Chevy Silverado 2500HD
2003 Maroon Ford F350 dually
Old 11-12-2006, 12:31 AM
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Quote:
Originally posted by Razorback1980
Could be an alternator...but when he said it would shut off and then start right back up a few moments later, that led me to believe that the battery was still charged but wasn't getting power to the car for a short period of time. One other possibility I thought of later was the possibility of a switch key.
When the alternator died in my '85, after sitting roadside, the battery "rests" from its discharge, and chemicly is then capable of giving enough discharge to start the car again. If his headlights are still bright, then that probably isn't the problem. (You can see them get dimmer as the car dies).
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Old 11-12-2006, 05:16 AM
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my alternator was only putting out 11.5 -12.0V so things would intermitently work. Headlights would some times go down, car would not start sometimes, all sorts of goofy things. At around 12.0 volts it seemed like things just would work like they were suppose to. I took my alternator off and had it tested at Autozone and it confimed what I saw with my meters.

Speedy
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1983 944 guards red with 16" Fuchs, Host of Wisconsin area timing/ balance shaft belt tensioning party
1987 944S Purchased from Legion. Corvette LT-1 V-8 conversion with Mega Squirt II
Check on progress ---> www.porschehybrids.com/gallery/speedracing944
Favorite Road = www.tailofthedragon.com 318 turns in 11 miles (11 min 20 sec best run)
Old 11-12-2006, 11:29 AM
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Well it wasn't like my car died, and I couldn't start it but my headlights were on.

ALL power was off. Headlights when off, all lights went off, stereo off, ignition off, it was like someone took my positive battery terminal off, then put it back on 30 seconds later.
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My cars for sale, due to move

1986 944 turbo - For sale.
1987 944 N/A - For sale.
Old 11-12-2006, 12:38 PM
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Check your cables, start at the battery and work out. Check all ground connections. Welcome to Porsche........creators of magic electricity.....

Jon

Old 11-12-2006, 01:05 PM
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