[DeTomaso] Tach adapter with ready-to-run MSD distributor?

[thomas]

The tach has a resistor in series with the input and if the amplitude of the signal is too weak it may work to bypass that resistor. That's how I got the tach to work with EDIS, with the signal (12V) that is normally used for the tach.

It requires opening the tach though.

Thomas

> 21 mar 2014 kl. 21:01 skrev SOBill at aol.com:
> 
>   The "tach output" wire from the ready-to-run will not operate the
>   Pantera tach. The Pantera tach wire should be connected to the coil
>   negative terminal ...... where the ready-to-run Orange wire goes. The
>   ready-to-run "tach output" wire can be left unconnected to anything.
> 
> 
> 
>   The main thing is to keep the main thing the main thing.
>   Do the best you can with what your have where you are.
>   Have fun today!
>   SOBill
> 
>   In a message dated 3/21/2014 9:10:58 A.M. Pacific Daylight Time,
>   MikeLDrew at aol.com writes:
> 
>     Hi guys,
>     I am trying to help a friend who just fitted a new distributor and
>     lost
>     tach function as an incidental result.
>     I know that with a conventional MSD ignition system (with external
>     box),
>     you must fit a tach adapter to get the tach to work:
>     http://www.summitracing.com/parts/msd-8920/overview/
>     However, he installed a 'ready to run' distributor:
>     http://www.summitracing.com/parts/msd-8350/overview/
>     Do these, also, require the tach adapter?
> 
> 
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