Quote:
Originally Posted by Terry,OH
You can not use a test light on the coil, or on the coil side of the resistor. Use a multimeter. The resistor will not let enough current to pass to light the test light. With the distributor points open you will see voltage to ground on the wire of the coil going to ground (in your case - ) With the distributor points closed you will see zero volts there. Check with a digital multimeter what is the primary resistance, in ohms, of the coil. What is the resistance of the "Big Mallory Resistor" in ohms.
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I'll do this tonight and post back.
Quote:
Originally Posted by Joe Immler
I had a similar problem that drove me nuts. My '41 would shut off like your '47. It then became a flathead on a flatbed. This happened 5 times over a few months. Finally traced it to the condenser. It was not bolted securely to the block due to another mechanic stripping the threads and a bunch of grease in the bolt hole. The theory is that as the engine got warm on a trip and vibration caused the condensor to lose ground the engine shut off. Next day the car would run fine due to cooling down etc. Have not had the shutoff problem for going on 3 months. I don't know how your condenser is mounted but it is worth a look.
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Condenser is mounted to distributor, and I tried another distributor. Also mine hasn't gotten spark at all since it shut off Sunday.