Louis B Prescott , AZ August 22, 2016 Appliance: Maytag Undercounter Dishwasher MDB7749SBM1 Maytag Dishwasher Mdb7749sbm1 / : Control panel ribbon had rust on it. How to replace Panel-Cntl (Stl). REPLACED CONTROL PANEL Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes