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so..you have a spark from the coil to the distributer cap..right?
replace the rotor and the cap
these vortec engines are bad about burning up the rotor
usally from bad plug wires
lready did it doesnt leave dis cap to the spark plugs
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sometimes..a weak ignition coil will also cause this
it tests good
but,,the problem is right there
what test good?
replace the rotor and cap..if this dont let you get a spark to the wires....replace the coil..even if it does ohm well
the ohm test isnt always true
sense you can not duplicate the high voltage
ill try it