I am in the process of putting a 2016 5.7 paired with a 8hp70 into my 1976 Dodge w200. I have the stock ECM and harness to operate both the engine and trans. Let’s say I have the starter signal replicator, SKIM has been deleted, hard drive flashed; how would I go about wiring my ignition in to make this sucker run? Mongrels garage had a great YouTube video explaining how to wire an older hemi computer so the original vehicle ignition would work. But I can’t find anything on the internet for wiring a GPEC to ignition relay. The amazing guys here at sublime technologies have done great things but the quickstart harness doesn’t support 8hp70. any help is much appreciated thank you.
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I guess a more concise question is: how do I wire my ignition and battery to operate the computer?