I have a 1998 70 hp Johnson,4 stroke, Model J70FTLEC.<br />How many poles does this motor have? I have to replace the Tach and want to be sure to connect correctly. The current Tach, a Faria, has settings listed as:<br />1-4<br />2-6<br />3-8<br />4-10<br />5-12<br />6-20<br />Presently set on...