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Discussion Topic:
1934 Ford Cabriolet electrical problem.
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JDBenner |
12-16-2018 @ 11:53 AM
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Member
Posts: 33
Joined: Jun 2013
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Thanks, Tom. I'll try your suggestions as soon as I can. I do have a round coil but how do I know if I have an adapter?
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TomO |
12-16-2018 @ 8:03 AM
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Senior
Posts: 7244
Joined: Oct 2009
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0.6ohms is about right for the ignition resister. I would check the voltage with the points open. You can connect your ohm meter between the condenser contact and ground to check for open points, with the ignition switch off. Then connect the volt meter to the input of the coil. It should read close to battery voltage, with the ignition switch on. If you do not have the correct voltage, you can move the meter lead to the coil side of the resister and read the voltage again. If it is still incorrect, move the lead to the ignition switch coil terminal. If the voltage is correct, tap the starter to close the points, with the ignition switch off. Turn the switch on just long enough to read the voltage at the coil. It should be above 2.5 volts. If it is not, move the lead to isolate the problem. If you have a round coil with an adapter, you may not need the resister. Tom
This message was edited by TomO on 12-16-18 @ 8:18 AM
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JDBenner |
12-15-2018 @ 8:40 AM
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Member
Posts: 33
Joined: Jun 2013
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I had my distributor and coil checked and set up about a year ago and my car ran great until a couple of months ago when I found I wasn't getting any voltage to the coil. The resistor seems to be the problem but I have put in two new resistors from two different vendors although they were both from Taiwan and looked the same. If I take the resistor out of the circuit I get voltage to the coil But I have been reluctant to try to start the car for fear of frying the points. Could I have gotten two bad resistors? they check okay for continuity and show about .6 ohms across them.The description says they are 40 ohm resistors which sounds high to me. I'm about out of ideas. Any thoughts? Thanks for any and all ideas.
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