I decided it was a good day to troubleshoot my FW tank monitor wires. When we bought the camper the tank was filthy inside. It looked pretty easy to remove the tank from inside the dinette base. Except I forgot there were wires connected to it. "Why isn't this thing coming out of there?!"
After that, I never could get a FW reading. The wires ran under the dinette base and into that little angled, carpeted baseboard thing that is under the table. So I figured I'd take out the 8 or 10 screws that hold the dinette base to the floor and follow the wires. It turns out the wires went into that cavity, were wire-nutted to two other wires that went back into the dinette base before going underground to the back. Grrr. All I really had to do was get that one side of the dinette base loose and pull the wires into the work zone. But by that time I had the base completely removed and set aside.

I guess the red rubber thing houses a set of resistors. I discovered that the common wire (red) was pulled apart at the resistor thingy. I found a new resistor harness of this exact model for $6.29 with free shipping on ebay, and it's on the way. :)
I've already put the dinette base back in place because now I will keep the wires within it. BTW, I still cannot see how that angled carpeted baseboard thing is attached. Cheeze, you got your ears on? You must have dealt with that thing in your project?