Setting for OMC sensor tach

Putting new tach on 79’ 115hp evinrude, don’t know the pulse setting,selector switch has 5 or 6, does anyone know which one I need for the 115 evinrude?

omc system check tachs don’t normally have adjustable pole settings on them

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Chris, bought the tach from yall last Dec., just took the old one off and it also has the switch and it is set on 6. The terminals for the light are different on the new one is the only difference I see. I still have the receipt with the part # on the back, should I come by there and make sure I have the right one? I’ve already put the new one on.

You can’t catch fish on a dry line

what brand is it?

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The motor is 98’ 115hp, not 79’ the manufacturer of the tach is Faria Marine instruments. part #120050710R22347

You can’t catch fish on a dry line