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fordf250 wrote:ok guys i am my head on the fender
ok here is whats up i have a 84 3/4 ton that had a tfi igniton system i converted it completely over with all new carburetor disturbutor and ignition box and coil wired up to a toggle switch
i had one wire hooked to the red wire on the box and one hot wire going to the + side of the coil with no restricter on any wire
i am having a missfire at highway speeds so i thought maybe my coil was over heating from to much voltage, so i took all my wiring off and ran the wiring correctly
start wire to the white wire on the box and the red wire of box going to a hot with key on, and a wire with ristricter to the coil with a override wire coming from the start wire
it would fire up but just die, so i undid my wiring and hooked it up like i had it
now the darn truck wont idle and sounds like its missfiring bad at idle
what did i do to this darn truck any ideas?
i have it wired like it was straight hot to coil and red wire on box nothing hooked to white wire
fordf250 wrote:ok a little bit of a up date i just pulled the ignition module and brought it to oriellys and had them test it he tested it several times to get it warm inside and it showed to be good so the box is good and the coil is good that means the distuributor is next maybe i need a bigger hammer
fordf250 wrote: it would not stay running so i put back like i had it now it will die or almost die and then surge up rpm and die out again unless i keep it running i am still driving it to and from work but stop lights suck people think i am trying to race them because i have to keep motor reved up
1bad6t wrote:Fordf250, I had a starter solenoid that caused the problems you are having. A lot of people think the solenoid only works the starter but it’s wired to the ignition switch that is wired to the coil. I’m not saying this is your problem…just saying you could be barking up the wrong tree thinking it is a Dura-Spark problem.
The Plankster Prankster wrote:only possible problem might be if that wire from the solenoid were shorted to a ground.
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