You got it. The easiest way to tell if your ground is tied to the frame is to take a continuity tester or ohm meter and touch the frame of the gen to the ground pin on the gen rec. If it lights, then it is grounded to the frame. Then you can find the ground lug (it should be a green terminal with a set screw on it) stick a short length of heavy copper ground wire into the ground and then terminate it on the lug. Start your gen. and test the rec again. It should light the way I told you. Hot to neutral and hot to ground. Then, plug in your rig and go inside and do the same thing. It should read correctly. The reading you are getting, has nothing to do with the rigs wiring. You have the correct idea. Now it's going to be time to find the ground lug and try it out. My generator does the same thing. It is not a Honda
04 Lariat Supercrew 4x4,5.4,3.73, Edge tuner, flowmaster duals
06 Trail Bay 31BH, nicely optioned
Equal-i-zer
Prodigy
Follow vehicle, 05 KIA Sorento EX for the golden retrievers.
Um, for those of you who think that a portable generator's neutral and ground wires are bonded, think again. They are NOT. I have 2 generators, and neither of them have the neutral and ground bonded together. In fact, my older one has a sticker on it stating that the neutral is floating. My new one came with a wiring schematic, and if you follow it, you can see that at no time is the ground wire connected to the neutral. In fact, on this genset, you cannot bond the two - its very design precludes that option. Heck, the 15/20Amp connector is a GFCI outlet! That should tell you something.
So, pounding in a ground rod and strapping it to the generator's chassis ground lug would do absolutely nothing at all for safety. That is why the GFCI outlet is there. It will provide far more protection in this case than a ground stake would.
And as for the tester showing an open Hot->Ground, that is correct on a portable generator. In this case, nothing is wrong with the RV or genset, it is a normal condition, so long as the RV tests normal when connected to shorepower. If it doesn't, then you have a problem.
My generator does not have a GFCI outlet. It does read incorrectly when the tester is plugged in. It does correct when I ground it. I don't pound a ground rod in every time I use it. I simply drive a metal tent stake into the ground and tie a wire to it with a clamp. When I use the generator at the house, I use the ground rod that is driven into the ground for the service entrance. It works great. We were without power for well over 2 weeks about 6 years back and I ran almost the entire house off the gen. I did not have the TT then, or I would have moved into that. We still had no heat in the house (electric heat pump) and had to use propane heaters. It was a long 2 weeks.
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