Onan generator - please help!
I have a 1987 Beaver Marquis Sapphire editon with an Onan 6.3 NEHL-1p/26111a Emerald III propane generator. It was surging and would die shortly after start up. I had a full service done it and it was working ok but then I started the generator with the generator power switch on with a large load on it. It reved very high and It blew the 5amp fuse. I replaced the fuse twice and same result. Starts, high revs then blows the fuse and dies. Tested the bridge rectifier, OHMS didn't give me a reading, diode check read 553 on + and 545 on -. Control board appears to be OK, don't know how to check it though. Any info on how to fix would be greatly appreciated.
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