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88b 115HP EFITachometer Question

a1nowell

Contributing Member
My tach went out and I am look

My tach went out and I am looking to replace it. I would like to use a tach that is smaller than the standard 3+" that I have now. I found a digital tach/hour meter I thought would be perfect but it is for 1 & 2 cylinder engines only. I cannot find one anywhere except an automotive tach. Will an automotive tach work on a 2 cycle outboard? Or a speedometer that is smaller. I have no room on my dashboard for anymore holes.
 
My tach is not working anymore

My tach is not working anymore (rust)on my 115Hp blueband 6cyl straight.
I have a new tach with selectable 2-4-6 Cyl.
will that work on my motor and what wire coming from the throtle control is the sighnal wire (black-white-green)
 
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