Firing problem

Asked by Apr 06, 2016 at 05:02 AM about the 1995 Chevrolet C/K 1500 Silverado RWD

Question type: Maintenance & Repair

I put an MSD ignition system on my truck it would
not fire since then I replaced all the parts with new
parts and took MSD system off it is still not getting
fire to the spark plug what is the problem

1 Answer


Have you checked the fuse's? Could have blown an ignition fuse, if that checks good then check for power to the coil + side, if you have voltage there with the key on and while cranking then check for a coil trigger signal by unplugging the coil + and - and put the test light between the two, then crank it over and watch for a flashing light, if you have a flashing light then replace the coil, no flashing light, then either the module/pickup coil is bad or you have a broken wiring in the ignition circuit. HTH

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