I have an Invacare Pronto M51 powerchair with a fully charged battery. When I turn it on and attempt to drive, it will not engage and will not move. I have checked the fuses, but they look to be ok.

Control switch is like your gear stick for moving back or forwardd fuses may not looked burnt but could be faulty Control switch is like your gear stick for moving back or forwardd fuses may not looked burnt but could be faulty

Thanks so much for your help! We think we have narrowed the problem down to the joystick. The boot around it has worn down and dirt has gotten down inside. How can we take off the joystick (we've already taken off the 4 screws) so we can clean it? Thanks so much for your help! We think we have narrowed the problem down to the joystick. The boot around it has worn down and dirt has gotten down inside. How can we take off the joystick (we've already taken off the 4 screws) so we can clean it?