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Tach Wiring

panterawanabepanterawanabeMember
I know this has been done to death but after scouring previous posts with the find tool I can't seem to come up with an answer for my application.

I purchased a Pro Comp (ok I said it) ready to run distributor/coil/lead set to get her going for rego as my original was just a basket case and they are quick and easy for me to get here in OZ. It works surprisingly well (for now at least) so I want to continue using it with my tach connected but I am reluctant to do so with all the horror stories I have read here. My particular car has the dual resistor with one wire resisted to + coil and the other resisted for the tach on the - coil.

So my question is will my tach run with the new dizzy if I hook it up with the resistor to the - side of the coil? I have been reluctant to do so as my tach is far more valuable than that dizzy will ever be and I don't want to damage it.
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bosswrenchbosswrenchMember
Both those responders know far more about Pantera wiring than I do. But IMHO, the Pantera/Mangusta tach is a very simple device- so simple that it often can't respond to the signals from modern ignitions. If you pull a Pantera tach apart, you find a matchbook-sized circuit board with a dozen or so components on it- that's all thats in there! So if you wire it as suggested and it doesn't work, or doesn't work anywhere-near correct or consistent, MSD does make a couple of tach-adapters to allow this type of tach to work with it's ignitions. Some have used the adapters on other brands of ignition successfully. You likely will NOT be able to wreck your tach by mis-wiring from the distributor.
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