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5-wire to 4-wire ignition module. Possible?


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In a hurry to get my engine together I forgot that someone took my distributor apart and obviously didn't put any grease underneath the module to keep it from frying. I have a bypassed 5 wire module which is bad now and I was wondering if it's possible to convert my distributor to a 4-wire module since there are good aftermarket modules available. Is it as simple as it seems? I have a 4-wire module on my truck and I could easily look at it later to compare the two but even if it looks promising I don't want to order a module and then not be able to use it. The guys at the parts store said it's not doable but I wanted to ask some people who might actually know. Thanks

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Forget the parts counter advice. Yes it can be done. I had an '85 5 pin module distributor and went to the four. Too many years, beers, monoxide headaches, and engines ago, but I remember finding the wiring diagram for the four pin and just using what was necessary. I liked the HEI for its simple effecient design. Get a good coil and aftermarket module, make sure bushings are all good, and the HEI is hard to beat. Compare your four wire and it should be pretty obvious what to use.

John

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