Ok wiper motor doesn't stay parked. It randomly comes on all by itself . There is no numbers or name on the motor. Has anyone messed with these. It's a 1992 Itasca sunrise 27 foot Chevy chassis.
sounds like the park switch inside the motor is making contact, or the wiper switch is going into pulse mode. maybe a trip to the local wreaking yard may find its a common wiper motor asmb. used on other Gm trucks. There is a printed circuit board on the wiper motor that controls the speed and the pulse function that i have also seen cause problems from water damage as well.