Tachometer

[meindersee123]

My tachometer only has a ground stud and a spade for the coil hook up . No power spade like all the others I have seen . Why is that ? I believe it is out if a 75 T.A.

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[Ben M.]

It's for a points distributor car.

["QUICK-SILVER"]

Bunch of older model tachs ran off of coil(-) and ground. It's all they need to work.

The 70 up firebird tachs have two spades on back and do use B (+).

Clay