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I have a 78 F250, 6.6 that has run dutifully for years and years (it has never been out of the family)
and the other day it quit running and wouldn't restart, and the motor seemed to be free spinning.
After some testing, I found that the lead ignition wire did not have continuity, so I bought a new set of wires since you can't buy just the lead wire.
After testing the new lead wire and confirming it had continuity, I put it on. it kind of started for a second and then started free spinning and spitting fuel up and out of the carburetor (I had the air cleaner off). I took the new ignition wire to the bench and now it has no continuity.
I have Googled and searched this site for reasons that would kill ignition wires, but came up empty.....anyone encounter this before?
If it's puking fuel up thru the carb, that is an issue on it's own. It should never do that.
My 4350 did that and the float was stuck. If the coil wire is burning out, I'd check the coil and make sure it's ok.
bad plug wires will not cause fuel to puke up from the carb.
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