connections

I have an old autohelm st50 speed display, which has the speed sensor/transducer connected to it. It uses a round version of the seatalk1 protocol. I want to connect this to my seatalkng backbone for the new autopilot I’m about to install. there exists a flat seatalk1 to seatalkng connector for...

My Sherwood Raw water pump on an Atomic 4 Diesel is leaking. I am not sure which pump it is, from the images I found online it looks like the G55-2, however the connection to the engine block is different, see image. I am thinking to replace the pump with an Oberdorfer water pump, but I am...