I'm sure this has been asked and explained 100 times but I can't seem to find an answer for my problem.I've got an 86 Minnie Winnie with a Onan Emerald I Genset. Rv was recently purchased and I've had...
An '86 motorhome won't have the prime feature on the gen start switch. I changed out a failed fuel pump on my Onan 4.0 generator a few years back ('88 model MH) and added a toggle switch to prime it. BTW, I just used an automotive low-pressure fuel pump; much cheaper than an Onan unit. While running, the generator should trigger a relay that will provide 12v to the pump.
The 20v concerns me; that shouldn't be possible from a battery bank that's providing 12v.
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