oh, and thank you for the black water tank info; good to remember as a refresher. yes, i've had a couple of "RV waste station fails" with a 1984 Toyota 22R Dolphin mini motor home we had for a year. Luckily no-one with a camera was watching....Don't forget, before you use it for the 1st time, you have to have water in the black tank as well. Otherwise you'll create the dreaded Pyramid of .
It's not an OEM 4 bolt receiver. There's 2 more bolts higher up under the bumper "cover".
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