Tech QuestionTodd Pharris, New Plymouth, ID , 1973 Dodge Charger 318 My question is about the electronic ignition on my '73 Charger. My 318 has an Accel Super Coil and the stock 5-pin ECU...and it has problems frequently! I need to replace it. All replacement units I have found are 4-pin units, and that includes the Mopar Perfomance units. What is involved in converting the wiring and ballast etc., to change to a 4-pin set-up? I'm also interested in converting to a MSD unit. Do they come with diagrams and such for installation on Mopars? Which system would be prefered for reliability and simplicity? Todd- On the 4-pin ECU: just plug it in! Simple as that. Most aftermarket igntiion boxes come with fairly comprehensive instructions, but they do NOT plug in, some splicing / hacking is required. There's lots of good ones out there these days: Accel, MSD, Crane, and Holley have all delivered the goods for us, plenty to choose from there. Even the least expensive unit from any of those manufacturers would be overkill! Rick
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