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05-27-2013, 10:42 AM | #1 |
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Join Date: May 2013
Location: Pa.
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12 volt jump damage to 6 volt system?
Just got a beautiful '35 Tudor. History, restored 25 years ago, blown engine originally thought to battery issue, owner tried to jump with a 12 volt and wife's indications to me are she thinks all electricals are blown out as a result. Original owner ( husband died 5 years ago ). My first project on 6 volt car. No engine yet.
Any thought's on the potential electrical damage from the 12 v jump? |
05-27-2013, 10:54 AM | #2 |
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Join Date: May 2010
Location: Sugar Land, TX
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Re: 12 volt jump damage to 6 volt system?
Probably nothing if the lights weren't on, otherwise only burned light bulbs. I run 12v on a 6v starter all the time and it runs twice as fast. Oops, I was thinking Model A. Your 35 amp meter may have been affected. The oil pressure is mechanical and fuel, and temp guages are thermometers.
Last edited by mrtexas; 05-27-2013 at 11:38 AM. |
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05-27-2013, 11:15 AM | #3 |
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Re: 12 volt jump damage to 6 volt system?
You are going to have to check everything yourself and many of us here will give you support on this. That engine may not be technically 'blown' either, but unfortunately you will need to tear enough of it apart to make sure. Many have reported here of jumping their 6V systems with 12V with no problems, but IMHO I would avoid doing that. You are just going to have to check all electrical components as well. Again, folks here can give you some good advice on this.
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05-27-2013, 11:26 AM | #4 |
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Re: 12 volt jump damage to 6 volt system?
Thx, I have read in researching that if you convert to 12v you need to put a resistor in front of any componenets like amp meter, radio, fuel guage to align / protect from the increased voltage. While i am not planning on converting this info. raised concern that these components need to be protected when using 12v for a jump?
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05-27-2013, 11:51 AM | #5 |
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Re: 12 volt jump damage to 6 volt system?
tell us your general location, maybe someone close by can "school" you on 6v and flathead engines
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05-27-2013, 12:10 PM | #6 |
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Re: 12 volt jump damage to 6 volt system?
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05-27-2013, 12:52 PM | #7 |
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Location: Auburn, MA
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Re: 12 volt jump damage to 6 volt system?
Can you turn the engine by hand? If not remove the starter to make sure the drive did not get locked up on the ring gear. I have jumped my 49 with 12 volts and not ruined anything. The Optima 6 volt with the CORRECT cables spins it as fast as one could ask for. Good luck with your new acquisition.
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05-27-2013, 02:31 PM | #8 |
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Re: 12 volt jump damage to 6 volt system?
could be damage, don't know whether you could tell until you got the engine running and see what the gauges indicate, etc.....welcome to the 'Barn....any pics???...and is there an engine that might be blown??....Mike
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05-27-2013, 03:37 PM | #9 |
Senior Member
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Re: 12 volt jump damage to 6 volt system?
Buy a stock 12/ volt ballasted resister $5 wire that to the coil and to + to a 12 volt battery earth the battery to a head bolt .then jump direct to starter from + ,(Key switch of )
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05-27-2013, 07:50 PM | #10 |
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Re: 12 volt jump damage to 6 volt system?
Thx all, got some good ideas, here's some Pic's I think. Nwew at this!
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05-27-2013, 09:10 PM | #11 |
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Re: 12 volt jump damage to 6 volt system?
Nice car.
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05-27-2013, 11:06 PM | #12 |
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Re: 12 volt jump damage to 6 volt system?
very nice car....congrats....Mike
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05-28-2013, 11:55 AM | #13 |
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Re: 12 volt jump damage to 6 volt system?
Dang thats nice!
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