bizzare ignition problem?
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Senior User
Joined: Dec 2006
Posts: 164
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From: Gray, TN
bizzare ignition problem?
I've let my '77 F250 sit for a few weeks due to a bad wheel cylinder (too lazy to take the hub off and replace). I went to fire it up today and it just cranked and cranked, not even trying to start. All I had at the time was a test light, so I checked to make sure there was power and ground pulse to the ignition coil first, since its easy. When I left the key on, I heard a clicking from inside the distributor cap, and found that the ground wire to the coil was pulsing during KOEO. I unplugged the coil wire from the dist. and coil was firing without the engine running. I immagine that its not supposed to do this. I would think it should try to start if its got any spark at all. I didn't smell any fuel in the carb and was going to go get some ether but it started raining. I know the last time it ran out of gas i had to crank it forever to make it start. Anyway, my main question is, has anyone seen a coil fire like this without the engine running? I'm guessing bad ignition conrtol box? Its a former 400 truck now with a 360.
Laughing Gas
Joined: Feb 2007
Posts: 821
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From: hohenwald, tn
is it getting fuel? my trucks do the have a hard time starting if they sit for a few weeks. pour a cup of fuel down the carb and try to start, see if that works. it will prime the fuel system, as these trucks don't do it well themselves.
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