QuestionI think I got lucky ... Switches looked good, main part of harness looked good, but as I was tracing wires I found the blue wire that wraps around the side of the engine and runs to the front had a connector that was not completely connected. It didn't seem loose, but there was part of the internal metal connector exposed outside of the plastic housing. I secured the connection and wrapped it with electrical tape, fired up the mower and all seems to be working well.
I have looked at this wire before for insulation damage, but never looked that closely at the connector, so I can't say for sure whether it worked its way loose, or has been that way since it was in the shop last fall (coincidentally, after which the issue first started cropping up, so probably).
It's only been tested for an hour, but it has run fine for long periods in the past after 'inspecting' the blue wire and putting it all back together. I do have better hopes that this will remain successful.
Thanks for the direction,
Steve
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Followup To
Question -
I believe I have found that the engine is a Onan M.N. B43G. I don't have a specific Model Number for the mower, but it is a 46-inch Mid-Mount Rotary Mower.
Thanks again,
Steve
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Followup To
Question -
I have a John Deere 318 that has been blowing the SFE 20A fuse intermittently, which kills the engine. The problem has been geting worse, however.
Sometimes it runs for quite a while without problem, sometimes it blows after 20 minutes; if I replace it to soon, it may blow on starting the engine; right now, it's blowing as soon as I flip on the attachment switch (deck/blades).
Thanks for your help,
Steve
Answer -
Hello Steve:
It could be a Bad Wire or a Bad Stator or any Number of things. Send me the Model Numbers Off of the Mower and the Engine so I can Better Assist you. Thanks.
Respectfully
John
Answer -
Hello Steve:
Thanks. The Engine Numbers Did the Trick. From what I can see, you need to Check the Wiring Harness for a Bare Wire that is Contacting Ground through Vibration. Check the Voltage Regulator for Proper Voltage. Also Check for a Bad Ignition Switch. You can View the Harness and Other Diagrams that you Might need at http://jdpc.deere.com/jdpc/servlet/com.deere.u90490.partscatalog.view.servlets.H. Hope this Helps. Let me know what Happens, Please.
Good Luck
Respectfully
John
Answer Hello Steve:
Great. Glad you Found the Problem. If you ever Require Assistance, Remember Us at All Experts. Happy Mowing. Have a Long and Peacefull Life. May All Your Mechanical Problems BE SMALL ONES. Thanks for the Email.
Respectfully
John
