That digital display telling you it's 4 pm and raining I isn't of much use to a guy sitting outside in the rain that can't open the door
Switch out the display unit for a normal switch. My seat unit did the same thing. I just went to Sears to get a different one
Yes, that will definitely work. BUT, since you paid for that fancy schmancy control panel, and since it's so simple and easy to make it work with the Harley system, why not spend less time than it took to drive to Sears for a different wall switch and just solder the two Harley wires to the wall control circuit board to make everything work just fine and keep the control panel and display? Maybe yours doesn't have the motion activated light switch, battery backup display, ability to program many functions from the wall display, etc. like mine does, but even if it only has half that capability it's something you paid for in the price of the opener.
Jerry