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Discussion Starter #1
Can a Sun Super Tach model SST 801 from '69 work with a MSD digital 6al box, Blaster SS coil and pro billet distributor model 85551? The tach worked fine with the old set up with a points distributor on a 350 small block and I'd like to keep using it. Now I'm switching over to the MSD ignition system and from what I've read I'm not sure about whether it'll still work or what's needed to get it to work. It has 4 wires: ground, light, coil negative and positive connections. Not sure if I may need a converter or adapter.
Rudy

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Discussion Starter #3
Is your BMW tach made to connect with similar wire connections as the Sun tach? Thank you for the adapter info., it looks like what will be needed. Did you also need to add the diode?
 
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