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Old 12-13-2018, 07:52 PM   #1
cwcarpenter98
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Join Date: Jan 2018
Location: Hickory Flat, GA
Posts: 4,425
3 speed overdrive with an HEI distributor

So I've been doing a lot of research on the stock wiring for a 3 speed overdrive trans, but I'm confused on how to make it work with my HEI dizzy. I want my trans to work just as GM intended, but I don't want to swap back to my points dizzy.

It makes sense to me that the coil is grounded out when the kickdown switch is pressed to take the load off the trans so the solenoid can pull it out of overdrive. What I am confused on is how to wire it to the HEI without burning up anything.

Please let me know if y'all have any suggestions, thanks
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Christian Carpenter

1963 C10 - Frankentruck 283, 3 speed with overdrive
Overdrive wiring here
1963-ish truck bed trailer - Half-Wit

1981 C10 - Penny 305, th350

1995 Dodge Dakota Sport

"I'll put it simple: if you're going hard enough left, you'll find yourself turning right." - Doc Hudson
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