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Just wanted to let everyone know that the Autometer Tach Adaptor #9117 works fine to provide a tach signal like the MSD Tach Adaptor #8913

I have talked to a few people that thought it wasn't the same thing, but it is. Actually, the wires colors are identical too. Very simple hookup.

The same instructions can be used from the MSD Install thread.

-Cut the Green w/Orange Stripe wire from the coil wire harness in half.

-Connect the Red w/Green stripe wire from Tach Adaptor to coil side of the Green w/Orange Stripe wire

-Connect Red wire from Tach Adaptor to other side of Green w/Orange Stripe

-Black Wire from Tach Adaptor is Ground

-Gray wire from tach adaptor is Tach signal wire (Provides the signal for shiftlight or other RPM dependent devices).

A soldering iron should be used to make a good connection.
 
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