Hi Bob! And welcome to the forum. Maybe introduce yourself in the intro section?
Meanwhile, it's not unheard of (though unusual) for the gear position indicator (GPI) switches to go haywire. Located under the front sprocket, it seems. Try cleaning it first, before replacing. Could even be a wiring issue. There is a thread on stromtroopers forum
HERE with pics and advice from the sadly missed 'greywolf' about this.