Tach install

Bryce2004

Cadet
Joined
Feb 5, 2011
Messages
14
I have a 2007 Mariah i/O 3.0 mercruiser. i need to install a new tach, how hard is this to install????
 

NYBo

Admiral
Joined
Oct 23, 2008
Messages
7,107
Re: Tach install

As long as the tach isn't part of an integrated gauge pack, it should be a piece of cake. Remove the nuts on the mounting bracket. Pull the old tach forward. Swap the wires from the old to the new, paying attention to the labels on the terminals. Mount the new tach and you're set.
 
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