Thread: The "resistance wire" and Converting to HEI

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You don't want to use the resistor wire to power the HEI run a new #12 wire from the ignition sw. The purple wire I beleave is the neutral safety switch wire there is a switch on the column where the purple wire should go to and from one end goes to the starter the other to the ignition sw. that way the engine won't start unless your in park or neutral. Hope this helps
Charlie

The funny insulation is for the heat caused by the resistance wire. And cffisher is right, don't use that wire for HEI. There was a post about that same thing here a while ago, cost them a young fortune to track it down.