Onan 5.5 HGJAB start UPDATE
When I try to start my Onan 5.5 HGJAB (Gas) the lights dim and maybe 1 click. I've tried it plugged in to shore power and also with the engine running. Batteries are fairly new, clean, full of water, ...
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You might also check the electrical box where the wires from the generator connect with the electrical system. My gen set experienced the same issue, turned out the plastic cap on a wire nut fell off and when the generator kicked on, the power went straight to ground, generator shut off completely.
Good luck.
Good luck.
