Hello all! I am new to the world of RVing. I have recently been gifted a 1995 Dolphin RV. The problem I am having is that it will not start. The engine turns but it just won't start going. I have had an RV mechanic come out and take a look at it and was told that the fuel pump was getting power but not turning on. I have since purchased a new fuel pump, battery and fuel relay, installed them both myself and the same result. Fuel pump not turning on! I am looking at the Inertia switch or Emergency fuel cutoff switch. Looking at it, the button is down. Is it supposed to be up in order to supply power to the pump? If not, is there a way to test it to see if the switch just went bad? These go for $117 so I don't want to buy one for nothing. Another question is, does the fuel pump run off the chassis battery or the cabin batteries? Betond that, Everything else works fine. Im at a loss so any advice on this would be appreciated. Again 1995 Dolphin rv 35k miles on it.