Frank Gooz Posted May 29, 2021 Report Share Posted May 29, 2021 I just had a post, Trying to find why my car dies. I just bought some points Standard brand and Napa / Echlin, Same with condensers. And one coil Standard brand. The question I have is this coil is listed for my car. P/N UC14, Our cars are positive ground Do i wire this coil as marked + and - ? Will the coil know ? Am i over doing this ? I have not did the diagnostics on the parts in /on the car yet. i will start this in the morning. Testing my old parts and the new ones and make a log to fine what is wrong . And that the new ones are up to the job. I need to track down why this happens every so often. Quote Link to comment Share on other sites More sharing options...
Tooljunkie Posted May 29, 2021 Report Share Posted May 29, 2021 If its +ground vehicle,+ is connected to distributor side. i had some fun with my 218 a while back, the wire from the points to terminal inside distributor would occasionally touch and ground it out. Got towed home once,then i pulled distributor and stripped it and replaced all the worn out parts. so now in my opinion its perfect. Much easier to service on the bench for sure. Quote Link to comment Share on other sites More sharing options...
Sniper Posted May 29, 2021 Report Share Posted May 29, 2021 TJ is correct, just wire the positive to the points connection, negative to the switched voltage from the ignition switch. Quote Link to comment Share on other sites More sharing options...
chrysler1941 Posted May 29, 2021 Report Share Posted May 29, 2021 It will actually work either way, but sparks are stronger when connected as stated above 1 Quote Link to comment Share on other sites More sharing options...
Frank Gooz Posted May 29, 2021 Author Report Share Posted May 29, 2021 Thank you to all. I did find some info from the same person that Sniper had referred me to about my condenser testing. That also so said that i should wire my coil the way all of you said. opposite, Points to the + side. Quote Link to comment Share on other sites More sharing options...
desoto1939 Posted May 29, 2021 Report Share Posted May 29, 2021 10 hours ago, Frank Gooz said: I just had a post, Trying to find why my car dies. I just bought some points Standard brand and Napa / Echlin, Same with condensers. And one coil Standard brand. The question I have is this coil is listed for my car. P/N UC14, Our cars are positive ground Do i wire this coil as marked + and - ? Will the coil know ? Am i over doing this ? I have not did the diagnostics on the parts in /on the car yet. i will start this in the morning. Testing my old parts and the new ones and make a log to fine what is wrong . And that the new ones are up to the job. I need to track down why this happens every so often. Frank: Is this for your 48 Desoto? I would also suggest that you purchase the NOS Breaker Plate assembly for the 48. The correct breaker plate will have the Points and all the wires setup and then you can kjst put that unit into the dizzy and reset the cap and have all new components. Then rebuild the old unit as a spare. The breaker plate unit is an Autolite IGS-3004M fits 1946-48 Desoto This was taken from my Autolite catalog. i own a 39 desoto Are you a current member of the National desoto club Rich Hartung Desoto1939@aol.com Quote Link to comment Share on other sites More sharing options...
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