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Old 11-19-2013, 10:29 AM
catamount catamount is offline
MC Fanatic
Join Date: Feb 2012
Boat: 1987 ProStar 190
Location: Vermont
Posts: 500
Originally Posted by Topp dawg View Post
I have a newer tach that is digital. I don't see how this method could be accomplished.
Well, your newer tach surely has 12V + and - and the majority of tachs are not checking for RPMS, they're checking for voltage.

Hook up a trickle charger to the appropriate stubs for an hour and see if it counts up. If it does, leave the trickle charger on until you're synced up.
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