I have two old generators and somebody cut out the wiring harness. I don't know if they cut out any other components and need to see photos or schematics of this model to determine the extent of damage and the potential fix.
SOURCE: kohler 12kw generator starts but shuts down after 3sec
Your gas pressure is too low and you may not have a large enough supply pipe. You need at least 10 inches of water column with the engine running to operate an LP vapor fueled engine. Because the engine is starving for fuel, its governor opens the throttle to WOT (so it goes to high revs) but there isn't any fuel to make horsepower with so the output voltage falls and the undervoltage alarm trips.
Carl
SOURCE: wiring schematics
Kohler has an entire technical library on their website. Go to Kohler.com and you will find it. good luck
SOURCE: electrical wiring for kohler engine
Perhaps you would enjoy the entire service manual. Here it is: http://www.asberry.net/files/TP-2379.pdf
SOURCE: electrical wiring for kohler engine
I have a Ford LGT with a 14 hp Kohler K321AS engine. Go to Kohler.com and download the service manual for the K321 engine. The manual covers all of the K type engines and gives diagrams and details of all the different types of ignition and electrical systems. It is free. JS
SOURCE: kohler confidant 4 generator service manual and wiring diagram
First thing is to check oil level as low oil pressure will shut it down.
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