SOURCE: Schematic
I looked for several minutes and this is what I found:
Kohler 13EOZD wiring diagram
I went to the Kohler site, entered the number and it cross referenced to the above number. The wiring diagram is on page 90.
Hope this helps!
SOURCE: Hello, I have a Kohler Marine Generator that says OC on the menu when I try to start it. Any ideas?
OC stands for Over Crank. How long does it take before the genset starts?
SOURCE: 1975, 7.5 Kohler marine genset, runs only with the reset depresed
Can't search for a manual without model, type, serial, etc numbers...
A few things to take a look at:
1) Oil level / pressure sending unit. This is normally bypassed as long as the start switch is pressed. When engine starts, and switch is released, engine will die if sending unit is defective, or you are low on oil.
2) Exhaust temperature sensors. Older units were notorious for burning these up.
3) Cooling Water Temperature sensor. These cause trouble often, but mostly due to water pump impeller being eaten away by galvanic action and not able to pump water as effecively. End result is water temp higher than normal, which trips the switch, which kills the engine.
4) Alternator (generator) output not as it should. If output doesn't rise to proper level within a few seconds of engine start, the engine will be shut down.
5) Choke not working as it should
6) Bad fuel, bad fuel pump, clogged fuel filter.
SOURCE: my kohler generator was running with out a flaw.
Double check your grounds at both the frame and the battery. Otherwise, your starter probably has a shorted field.
Testimonial: "thanks...will check frame ground"
SOURCE: I have a kohler 5E
I have the same genset. Just fixed a similar prob with it. Mine would intermittently blow fuses at first then started blowing them as soon as trying to start. I also saw a puff of smoke from reg when it did run at one point. Carefully check stator wires for shorts to ground. Make sure to lift the stator wires that are grounded in control box. If no grounds replace control board and reg board. $400+. Cross your fingers and try it. Mine worked, thank God. The pc boards are marginally designed and built. The relays, diodes and other componants are way too undersized for the application and can not survive a lot of cycling
on and off. When starting genset make sure to slowly apply loads to it. Same thing when shutting it down. Dont shut it down with any load. It wont take it
Good luck
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