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REVIN KEVIN
08-16-2005, 07:42 AM
Hello. First thing is, I have a MSD ignition box with a tach wire. I want to hook it up to my stock tach. Which wire is it?
Second. I am replacing the clock with an oil pressure gauge from a 75 Corvette. Has anyone done this? What did it troubles did you incounter?
My car is a 1970 Z28.

Sparky
08-16-2005, 10:44 AM
Kevin,

I don't think the MSD Tach Signal will support the Factory Tach.
This is ture for most factroy Tach applications, unless you are using an aftermarket Tach.
You will need to use a MSD Tach Adapter, MSD Part #8920.
This should support your factory Tach.
The wire you would look for on the factory Tach woould be a White wire.

I Hope this helps
Sparky