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72 Automatic Trans wiring?


cygnusx1

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My 1972 240Z was an automatic. I bought it as a roller. The four speed I am installing has a reverse and neutral switch. The engine bay harness has four wires that enter the tunnel from the engine bay, on the passengers side, and then two more connectors that enter the tunnel on the drivers side.

 

I think the wires are for:

Pair One: Reverse (R and RB)

Pair Two: Some sort of neutral safety from the auto.

Pair Three: No clue.

 

What wires connected to the automatic trans or ran into the tunnel from the engine bay? What functions were on the auto? I knnow I can just short most of them out but I still want to ID them.

 

The FSM is not helping. Not detailed enough.

 

 

Thanks!

Dave

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