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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

Spark Plug Wire ?

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Old Apr 29, 2024 | 09:20 PM
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Spark Plug Wire ?

I just installed a 6 volt positive ground Pertronix electronic ignition on my truck. I know if I don't install suppressed plug wires instead of solid core wires I will end up damaging my Pertronix (I made this mistake on an antique tractor). The wires look newer and more modern, but none of the wires say if they are suppressed or not. Is there a test I can perform on the wires with a multimeter to see if they are solid core or not?

 
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Old Apr 29, 2024 | 10:23 PM
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You might be able to pull a plug wire from the distributor and look at the connection with the clip. You might be able to see the fiber or metal core wire.
 
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Old Apr 30, 2024 | 10:24 AM
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An easy test is to check the resistance with an Ohm meter. Near zero ohms indicates solid core wire. Suppressed wire has a much higher restance: a few hundred ohms per foot or more.
 
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