I have a 2006 Merc four stroke Model: 75ELPT 4S, Serial # 18271556.* The tach is not working, I have a service manual in which the first step is to remove the "green" wire I have no such color of wire.
* This is a Lowe Stinger boat. The Tach is Veethree electronics 780049PMNB & it is a plug in...