Adding a tach

[dngharvey]

In the process of adding a tach with oil warning lamp to my recently purchased 1988 70hp ETLG.
Anyone know how many poles on the magneto ? It is supposed to be set to 4, 6, or 12 poles on back of unit.
Appreciate it !

[boats.net]

Set it for 6 pole.

[dngharvey]

Set it for 6 pole.

MANY THANKS ! Stick around, may need you again !!