I am getting an active fault of 1701-5 (open circuit fan drive solenoid) I know it gets the signal from the TCU, but I need to know where the TCU is on the machine, and what pin at the TCU (or wire #, color) sends the signal for the fan drive operation. Any electrical schematic available through someone here? I also have a problem with my fan reverse not working at all.
JD 750J Hydraulic fan issue
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