Ice Auger not turning

I have an augger that does not turn when you presseither of the crusher or cubed. I have disassembled the auger unit and jumpered out the selidoid and it does function outside of the unit and the motor will turn if 110vols is directly applied. Water does dispense. Also when you press the ice button the light dims and goes out for a few seconds and then returns with no action. All connections have been unplugged and re plugged.

Dispenser board does light so the circut is complete to Motherboard. Is this a bad relay on the Motherboard or just replace the Motherboard?

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…Also when you press the ice button the light dims and goes out for a few seconds and then returns with no action.

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The problem is a bad main control board on the back of the refrigerator. No doubt about it.

Here are the breakdown diagrams and http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5225949

Gene.