John K Toms River , NJ May 04, 2020 Appliance: General Electric Washer GTW460ASJ6WW Ge Washer Gtw460asj6ww: Pump would run all the time. How to replace Washer Main Control Board. I took an educated guess that it's the main control board.$150. For part, new machine cost $500. So I gave it a try. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes