Tachometer connections

[hopydah]

"I have a 1973 Evinrude 2cyl 5

"I have a 1973 Evinrude 2cyl 50hp model# 50373 R. Can anyone tell me the proper terminals to connect the tach wires to? Also what setting should the tach be set on? On the back of the tach, the setting goes up to 6.

Thank You"

 

[jwbmarine]

6........and gray wire.......

6........and gray wire.......