Posted by Paul ( in NY) on Friday, December 05, 2008 at 20:26:01 :
In Reply to: question on the little Tach/hour meter posted by George in MIchigan on Friday, December 05, 2008 at 19:36:05 :
White Wire is system Ground. The Name of this Tach is "Tiny Tach". I have on on my carryall under the hood for service applications. If you figure out how to replace the battery that is part of the board, please let me know. My Battery is still good.
Look Here www.tinytach.com
go to FAQ's wire hook up is described there
Paul
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