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Fletcher, OH | The item in your picture is the resister module(board, assembly, etc.). The computer is programmed to monitor circuit resistance and voltages. If something isn't right, such as unplugging the resister module, the computer will throw a code.
The only real way to troubleshoot, without throwing parts at the problem and hoping for a score, is to back probe the connector at the module with sharpened paperclips slid in touching the terminals(this can be touchy). Operate the tractor until the fan quits, and start checking voltages against a good ground. Speaking of grounds, every circuit has a supply circuit and a return circuit(ground). Have you checked the ground from the motor to the chassis ground? | |
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Steiger 385 Intermittent HVAC Blower Issue
