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Location: Chandler Arizona
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Engine stopped running HELP
I was driving home tonight and as I hit a small bump on the RR track crossing the engine died and all electrial power went dead. I though I was in for a real long night but as I coasted to a stop I turned the key back on and everthing is working well. I really would like to know if anyone has had something similar happen and does anyone have any thoughts??
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Bob 80SC |
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Check the tightness of the battery cables and the alternator cables. Something is probably loose
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Qarl |
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Quote:
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Eugene (Formerly) at Pelican Parts Pelican's E-Commerce Guy, 2003-2011 2001 330i Sport 1983 911SC Coupe (sold) |
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I will check all the bat cables and tighten all the lugs on the fuse block..
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Bob 80SC |
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sounds to me like your cars was hit by the midnight train to georgia, the ghost train, soul train, or elvis is working as an engineer.
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chance favors the prepared mind 1987 944 n/a 5spd. who remembers dial phones?. 'STOP FIXING THINGS ONE STEP BEFORE YOU BREAK SOMETHING ELSE" |
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Limbo
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Bob,
Another thing that it could be is the battery itself, we had one in our boat that would do funny things like this and then just died for good. Turned out to be a plate in the battery was broke and shorting out against another plate.
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Big ol built Duramax Durango R/T 19’ Current Custom project V8 M3 08’ Built and spoiled |
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This may sound silly, but the battery shouldnt have anything to do with your car running and then quitting. You SHOULD be able to disconnect your battery while the car is running and it should run on its merry way. I would think that it's more likely a ground or something in the alternator circuit than just the battery connections. Any other opinions on this?
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Matt '82 911SC Targa! |
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If the battery is shorting internall (or a short anywhere in the system) it can affect the whole system. Yes, you can remove the battery (an "open" vs. a "short") and it should still run providing the alternator is good.
-Boyo
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'48 Willys CJ-2A / '55.1 Chevy 3600 / '66 Austin-Healey 3000 / '72 Porsche 911T |
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Battery or switched ignition shorted to ground would cause this. Not a battery connection issue though, that would be an open and everything should run ok.
By loss of electrical power, do you mean lights, radio...everything?
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John 86 Coupe - Sold Macan GTS Ducati Multistrada |
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Yes I do mean everything....the lights radio and anything else that has electricty to go it.
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Bob 80SC |
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Somatic Negative Optimist
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DO NOT DISCONNECT THE BATTERY WITH ENGINE RUNNING! Read your manual! You have an alternator, not a generator. In the old days, with a generator, you could run the engine without the battery. That all changed when the alternator came on stream. Now you risk an expensive damage to your system, like burning the diodes, when you run with a battery disconnected.
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1980 Carrerarized SC with SS 3.2, LSD & Extras. SOLD! 1995 seafoam-green 993 C2, LSD, Sport seats. ![]() Abstract Darwin Ipso Facto: "Life is evolutionary random and has no meaning as evidenced by 7 Billion paranoid talking monkeys with super-inflated egos and matching vanity worshipping illusionary Gods and Saviors ". ![]() |
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Check the condition of the green coax cable from distributor to CDI-unit, and its' pigtail connector ... if present. That cable is a known weakness in the SC electrical system, and can cause many weeks/months of mysterious, intermittent ignition problems when it is failing!
If the green plastic sheath of that cable is cracking ... I suggest replacing the cable. All grounds in the engine compartment should be cleaned ... just as suggested above. Silicone grease such as Dow Corning 4, 111, or 112 should be applied liberally to the cleaned ground connections to preclude future corrosion.
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Warren Hall, Jr. 1973 911S Targa ... 'Annie' 1968 340S Barracuda ... 'Rolling Thunder' |
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Thanks for the help I will be checking
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Bob 80SC |
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It'll be legen-waitforit
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I'll throw in my two cents (CDN), check if the battery is loose. My guess is it jumped when you went over the tracks and the positive terminal shorted to the body.
I'm your uncle ![]()
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Bob James 06 Cayman S - Money Penny 18 Macan GTS Gone: 79 911SC, 83 944, 05 Cayenne Turbo, 10 Panamera Turbo |
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I have checked the wiring going out of the dist. nothing unusual, I am checking the batt. the lugs seem tight. I have to think that there is something with the batt. as I had the batt out of the car just prior to this incident. I was replacing the condensor fan
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Bob 80SC |
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Maybe a short/bad connection in the ignition switch? That would explain everything dying at once and then coming back when you turned (wiggled) the ignition switch again. Just a guess ...
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Just for the record. I have found the problem, The postive connection to the battery was finger tight. I secured the connection and did a proper torque. That connection has a wire going off to the ignition. I feel better knowing that this will not come back at some time when least expected. Thanks for all the help.
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Bob 80SC |
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Somatic Negative Optimist
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Glad you found it. While you are at it, take a look at the negative connection from the battery to the body. It is kind of hidden and can get rusty. Unscrew, put some Vaseline or similar on it and screw back in.
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1980 Carrerarized SC with SS 3.2, LSD & Extras. SOLD! 1995 seafoam-green 993 C2, LSD, Sport seats. ![]() Abstract Darwin Ipso Facto: "Life is evolutionary random and has no meaning as evidenced by 7 Billion paranoid talking monkeys with super-inflated egos and matching vanity worshipping illusionary Gods and Saviors ". ![]() |
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Thanks for the advise....I already filled the neg. ground square and it is for sure connected to ground.
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Bob 80SC |
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