Offshoreonly.com - Mercury wiring

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Looking for help on wiring. I have been on the phone with mercury and they have been great help although no luck. I have the 14 pin wiring in my boat and motors that were installed are the old school 9 pin. So bought the adapters from mercury and it should work but I am not getting tach reading and oil pressure. I have checked all the wires and have no breaks everything ohms correct
gauges work. And sending units work but nothing is talking to each other.
I can’t be the only one that has done this any help would be great.

Been many that have had the same issue and don't know of one which posted the solution. I have the pin out which may help

https://cimg9.ibsrv.net/gimg/www.off...af7b2d8e1b.jpg

https://cimg1.ibsrv.net/gimg/www.off...62d163f952.jpg

You need this: https://www.greatlakesskipper.com/me...SABEgJ2-PD_BwE

I have a couple on the shelf if you don't mind used.

*EDIT*

I may have misunderstood your issue. What engines are you installing, and what gauges are in the boat?