Kohler's official website offers manuals and wiring diagrams for the vast majority of its engines, including its diesel engines. Schematics.co also provides wiring diagrams for several different Kohler diesel engines.
The easiest way to obtain wiring diagrams for Kohler engines is through the company's service website, KohlerEngines.com. The user may search available diagrams using the model number, engine series, horsepower or shaft orientation of the engine. Although many wiring diagrams omit key sections of the schematic to preserve the company's trade secrets, the wiring diagrams provided by Kohler are detailed enough to be of use to customers in most repairs.