| Why do I have a diode between 2 and 10 [message #133169] |
Sun, 03 July 2011 06:17  |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
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Well, I finally found the source of my Onan board problems. Someone in the past added a diode between Onan board pins 2 and 10. Two blown foil patterns and one relay coil later I found the diode and it was shorted.
Has there ever been a suggestion somewhere for this modification? This diode was plugged directly on the board pins. It definitely is not on any Onan wiring diagram I have ever seen. It looks like someone wanted to take starter coil voltage and apply it directly to the ignition coil during cranking.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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