I have a 99 454 Chevy that I very weak spark from coil to distributor nothing from distributor to wires yes new coil new ignition control module new rotor new crank position sensor new cam sensor new distributor shaft new wires new plugs rotor is installed all I can think is maybe a bad ground but where any ideas thank you very much
Okay, you have a 99 Chevy 454! What, an an engine put into an older vehicle?
or a 99 truck w/454? What have you don to it prior to you problem?
Since you suspect a bad ground, have you checked your grounds?
I know you said your coil is new, but to be on the safe side,
take one from a running vehicle & try it in yours.
Good luck
Rich
we put it in a 96 1500 cab and frame we used the motor from a 99 along with computer and full wire harness the motor ran exelent when we pulled it from the other truck
not sure if that matters when we fiero guys put the 3800sc in them we have to bypass the vas system..
might want to check if the donor ecu has it. if it does thats your problem..
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