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Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 15010
Experience:  Certified on Onan and Generac generators
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I have Onan 8dkdfj s/n G953409883 spec. 11304c generator.

Customer Question

I have Onan 8dkdfj s/n G953409883 spec. 11304c generator. Alternator belt broke last week and it shut itself down. Changed the belt. Now it starts fine but will only run as long as you hold the start switch on. Was running beautifully prior to belt breaking. No idea what has happened.
Submitted: 1 year ago.
Category: Small Engine
Customer: replied 1 year ago.
If it helps to know this Onan is in a 1996 American Dream MH motorhome
Customer: replied 1 year ago.
If I hold the start button down for 60 seconds or so the generator supplies power to the RV... soon as I release it the Onan dies
Customer: replied 1 year ago.
Also checked oil level after new belt was installed and it's full...
Customer: replied 1 year ago.
Still waiting... any ideas please?
Expert:  Hank F. replied 1 year ago.

This most often happens when the genset is no longer producing power.

But since your belt broke, it is very possible that the belt took out one of the safety switch wires, such as the low oil pessure, high temperature or low coolant switches. Check carefully for any missing/broken wires.

Customer: replied 1 year ago.
do you know where I can find the electrical diagram for this specific generator?
Customer: replied 1 year ago.
Model 8dkdfj serial number g953409883 spec 11304c
Expert:  Hank F. replied 1 year ago.

I have uploaded a wiring diagram.

Click here to download it.

Expert:  Hank F. replied 1 year ago.

Did you get the wiring diagram?