RAC tach hook up
 

I have a RAC tach that has only 3 wires covered in a gray insulation cover. A black wire, a clear insulated wire, and one bare wire. None are cut or missing.
I can find wiring diagrams for the multi wire (like 6 wires)But can not figure this one out.
Thanks for any ideas.

Mike

Re: RAC tach hook up
 

mike - does it take a sending unit or was it converted to transistorized?

Re: RAC tach hook up
 

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Re: RAC tach hook up
 

Black on the coil to distributor wire?
Insulated wire to fuse block for the lite?
bare one for ground?


???

Re: RAC tach hook up
 

I think I tried that ? Will recheck it again.

Mike