another tach question

72mtwain

Seaman
Joined
Oct 28, 2010
Messages
66
76 merc 850, original tach not working. What do I need to look for when buying a new tach? Also wiring connections, is the plug in the front of the control box ok for the tach connection? Thanks
 

72mtwain

Seaman
Joined
Oct 28, 2010
Messages
66
Re: another tach question

A little more info.. I would like to use the original tach, an airguide, it has 2 wires, white and black. it has no light. Can anyone tell me how this is wired? Its a 0-6000 only markings on it on the back in yellow is 4cf or 4gf. Thanks
 
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