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    Green alarm module wire go's to which terminal on the switchbox on 1988 Merc V6 150?

    Hi, I have been told (and seen on a 135 of the same vintage) that the green wire from the alarm module should go to the number 4 cylinder terninal on the switchbox of my 2L, V6, 1988, 150 merc . Mine is connected to number 6 cylinder!? Can anyone confirm which is the correct terminal? Also, what...
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    Oil alarm still sounding

    Howdy. I have a 1988 Mariner 150, it's had a charging problem which is fixed now. It's also had an oil alarm issue which I am trying to work through. The marine shop tested the alarm systems while it was there but said they were all ok. The alarm only beeps intermittently after about 15 mins of...
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    Battery not charging

    Hi, newby from New Zealand. I have a 1988 Mariner 150 with this problem. At 1500 rpm the Alternator is putting out 30v per yellow wire, the rectifier was putting out 6.5v on one terminal and 1.5v on the other. Thought I'd found the problem so I tried a new rectifier but it reads exactly the...
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