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Old 05-31-2015, 08:41 PM   #1
cerial
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Join Date: Mar 2014
Location: Ionia, MI
Posts: 199
1976 chevy 292 external coil hei tach wiring

I have a 76 c30 with a 292. It has a external coil and I have a tach I would like to hook up.

There are 3 wires currently connected. One is the main feed wire and two are going to the distributor leaving one left unused.

Two going to distributor.



Top view of coil showing the main feed wire(right top) and two going to distributor (bottom two) and the one unused terminal(by my finger).



It makes sense that this one unused terminal is for a tach. But, I want to make 100% sure so I do not fry anything.

Thanks for any help.
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1991 Metro commuter
1991 s10 future project truck
1987 V10 backup daily/junk truck
1985 K20 Winter beater
1991 R30(squarebody) c/c flatbed towrig
1994 s10 80"wb custom build
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