Tach Wiring Advice

[floorit426]

I changed the distributor on my car. The old unit was a tach drive. I will need to replace that tach, with an electric one. I have a 1970 'cuda, with a standard instrument panel. What would be the best wires to tap into? Is there an existing wire in place, that can be tapped, that already runs to the negative side of the coil?

Thanks,
Bill

[Jay Bee]

Odds are you don't have any tach wiring with your standard dash. I had to add it when converting to a rallye dash. See my Post#12 in the link. It shows what I did to mimic the factory, clicking on the pics enlarges them or you can download them too.

https://forum.e-bodies.org/electrical-and-audio/11/harness-meltdown/27741/msg311033#msg311033