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Car Won't Start

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Old Oct 23, 2010 | 01:05 PM
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Default Car Won't Start

OK , here is what we got. 1961 w/ base engine. Drove car in garage 2 weeks ago and shut it down.All was fine. Tried to start car about a week later and it would not start. It will crank and ALMOST start but as soon as it sounds like it is starting and I release the key to start position... it dies.All connections at back of ignition switch have been changed and are making good contact. Voltage regulator has been changed. Only other thing I can think of is I originally thought it may be low on gas and in my haste to add gas , got the wrong fuel tank and put about a half gallon of oil mix gas for my lawnmower in the tank. However it did not start before that incident so what ideas have any of you got. Thanks
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Old Oct 23, 2010 | 01:06 PM
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A bad ballast resistor will keep your car from running as soon as you release the key.

If the car will start and run with the ballast bypassed, that's your problem.
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Old Oct 23, 2010 | 01:08 PM
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Ballast resistor was my guess.
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Old Oct 23, 2010 | 01:14 PM
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Originally Posted by ratmotortom
Ballast resistor was my guess.
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Old Oct 23, 2010 | 01:14 PM
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Just use a piece of wire to "jumper" over the ballast resistor and try it. (Easy to do with alligator clips on the ends.) If it runs, the resistor is your problem, and it doesn't cost anything to test it this way. Just don't run like this for long though. (A few minutes won't hurt anything). If it still doesn't run, your problem is elsewhere.
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Old Oct 23, 2010 | 01:32 PM
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I have always wondered what the ballast was for.
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Old Oct 23, 2010 | 01:34 PM
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About five seconds with a test light will find the source of your problem.
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Old Oct 23, 2010 | 01:39 PM
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OK guy's ,will check the ballest resistor and report back. Thanks!
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Old Oct 23, 2010 | 01:51 PM
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BINGO!! Thanks guy's. So nice to have all this help at my fingertips. Really appreciate the help.
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Old Oct 23, 2010 | 02:00 PM
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Originally Posted by kskid
I have always wondered what the ballast was for.
It is there to reduce voltage (or is it current) to the points while the car is running. Turning the key to the start position temporarily "bypasses" the resistor and provides full voltage to the distributor for easier starting.
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Old Oct 23, 2010 | 02:32 PM
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Originally Posted by ktchir
It is there to reduce voltage (or is it current) to the points while the car is running. Turning the key to the start position temporarily "bypasses" the resistor and provides full voltage to the distributor for easier starting.
Actually, it's to the coil.
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Old Oct 23, 2010 | 02:57 PM
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Originally Posted by JohnZ
Actually, it's to the coil.
Thanks for the correction JohnZ....I was typing before I was thinking
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