.................I'm just wondering if it has a tach hookup for it.  My sunpro tach adapter doesn't work with my new tach I just installed.  The dis-2 I'm talking about isn't the regular one, but the one with built in boost retard (part num 6216 I think)
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Are you talking about the programmable one? If so its the GRAY wire off the harness of the MSD which is for the Tach. 
 
 
That would be the one.  Thanks.
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6212 would be the programmable one

1989 Turbo Trans Am #82, 2007 Cobalt SS G85