1991 Bayliner Capri 1850 3.0L Mercruiser Tach

Roadblock007

Petty Officer 2nd Class
Joined
May 24, 2017
Messages
142
The tach doesn't work. I'e traced the gray wire from the dash to the engine. I circled it in red.



It seems logical that it goes to one of these on the distributor.



Any ideas?
 

Roadblock007

Petty Officer 2nd Class
Joined
May 24, 2017
Messages
142
Alright. Looking at wiring diagrams tells me that the wire in the picture is a lead for a test tach, the grey wire is coming from the coil is there and connected...
 
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