MK-R Trolling Motor Power Plug
The original Marinco trolling motor power plug that was installed when my Beavertail Mosquito was built was due for an upgrade. I debated buying a Battery Tender plug due to multiple positive reviews from friends and on-line. But then someone suggested a MK-R version. After doing more research, I ordered the MK-R plug off Amazon and it is now installed.
Pros:
It is very rugged and low-profile. I’m sure it will withstand an accidental step or two. The plug screws into the female receptacle for a watertight seal and locking connection. It comes with a screw-in cap whenever I do remove the motor. I filled the plug with dielectric grease before connecting.
The cost of the MK-R is almost half of the Battery Tender plug.
Cons:
You need the Hubbell telescope to read the directions. The sheet was smaller than half an index card and the font was 0.0025, it seems. Worthless.
The hardware was bass boat chrome-plated, not stainless. I swapped out to 316 stainless. I did use the barrel/set screw crimps that were supplied, but I coated them with silicon and then applied heat shrink and they are below the deck in the bow cap. I used brass battery connections and solder on the leads to the trolling motor.
The female receptacle is fairly long, but it does come with a jointed rubber boot. That came in handy, as it flexed just enough to make the bend from my existing hole and clear the hull. The original cutout (Marinco) was smaller, so I used a piece of scrap fence board to cut a plug. With some painters tape, that was enough to get the hole saw started to enlarge the hole for a snug fit. I also used silicon sealant under the flange for additional waterproofing.
Overall, I’m glad I went with the MK-R and appreciate the recommendation. I’m confident it will hold up over time and the design is solid and waterproof.
