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I installed an MSD Digital 6AL and an MSD Pro Billet distributor in my stroker 318/390 Jeep project, and I don't have spark at the plugs. I'm posting this here, because its a performance type ignition system. I did the test recommended by MSD, where you touch the green and violet wires with a paper clip, and I got spark out of the coil. Problem is, I don't get any spark at the plugs when turning the engine over. I've checked and rechecked all my wiring. All my power and ground wires were checked with a multimeter. I even went and bought another box, just to rule that out!!
I've run out of things to check, and I'm pretty aggravated at this point. Any advice is welcome.



As Mr. P said You have to tie the starter wire and ignition wire together. If you check you will find the ignition wire is hot when the key is in run position and not the start position.


Ding ding ding! We have a winner! One of the wires for ignition 12v was on the wrong terminal on the ignition switch! Problem corrected and she's running now! Thanks to all who offered advice!

Gone to the dark side with an LS3 powered '57 Chevy 210