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Old 03-11-2019, 01:16 PM
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novahollic novahollic is offline
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Ah, my mistake. I thought you already had the HP efi in the car and you wanted to convert it.

If you're starting from scratch, get harness 558-118. That has the coil on plug harness already built into the main harness. Then you just plug the LS coil harness, 558-321, into that. Much easier.

You may want to contact Holley just to double check my info, but I've done a lot of these systems and it should be that simple.
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