Home » Public Forums » GMCnet » Onan Run Voltage (Settle An Argument)
| Onan Run Voltage [message #302355] |
Sun, 19 June 2016 17:55  |
A Hamilto
Messages: 4508
Registered: April 2011
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When I was getting the Onan running the last time, I had to jumper the pin 5 to pin 9 to get it to start and run. When I pulled the jumper, it died. A PO disconnected the voltage regulator, and my sister, the mechanic, said that it needs the VR to power the fuel pump and ignition. I thought the time we were messing with it before I jumpered pin 6 to pin 9 and when it was running I pulled the jumper and it continued to run. But maybe not, since CRS has set in with a vengeance.
I told her the set will run with the voltage regulator disconnected, but will not charge the battery. She said I didn't know what I was talking about.
I don't have any sort of charger for the Onan battery in my stock 73, so right now starting the genset takes the battery down a little, but I would feel better if it didn't get deader just from running. I intend to get some form of battery charger on it, but for now just need it to power the roof AC every now and then.
I think the oil pressure switch went bad and that is why it won't run when I pull the jumper between pin 5 and in 9. Next time I tinker with it I will pull pin 12 and try to run it to verify that.
Anyway, being too lazy to figure out the control diagram, can someone tell me if the set should run and power its own fuel pump and ignition even with the voltage regulator disconnected?
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