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Greetings, all--
As I was preparing to mount a sonar transducer on the starboard side of the transom, I observed an item: disk-shaped, about 1.25" diameter, very solidly mounted with screws below the waterline, and attached to a green wire running up through a clamshell through-hull, and then into the rigging tunnel. A careful look under the console did not reveal this same green wire. I have not had much success in researching this item, which appears to be the same vintage as the hull. Is this a ground plate for an older-style radio or what?
Thanks,
Rev. Harry
We encourage everyone to take a few minutes and look through those photos.
We spent a lot of time taking the photos and posting them along with part numbers and where to buy, etc... and if they are still available.
Greetings--
And many thanks for helping me identify this component, If it serves as ground to the fuel tank, should it be kept bright? (Currently, it has several layers of non-ablative bottom paint covering it.)
KInd Regards,
Rev. Harry
Follow that green wire and it should be connected to the fuel tank in the stern near where the fuel line connects and then a wire from there went up to the fuel gauge area.
Many, many, many thanks for this information, and all the valuable information I have gleaned from this site.
I will strip and shine this ground plate ASAP
Kind Regards,
Rev. Harry
As a side note, newer Whaler models do not have the transom mounted grounding plate. The fuel tank and fuel filler are bonded together then to the negative side of the boat's electrical system. With the boat in the water, the motor itself bonds the system to the body of water.
I take a hand wire brush to the grounding plate on my Whaler's transom when it looks like it needs to be cleaned up now and again. Whatever you use to clean it, don't get too aggressive and erode the material which I think is some alloy of bronze.