Tach problem

Tandrayray said

No the neg side of the coil is going in to a harness and the pos to the distributor... I read on here that you can hook them up backwards and the car will still run is that right?

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The car will still run, but if the NEG goes to the harness the car is wired wrong.

THE TACH must be hooked to the distributor. Reverse the coil terminals so the points and tach are both hooked to the NEG coil terminal.