I have a solution for you, but you'll need to take a few things into consideration to determine whether or not this will work for you.
You could use a hitch like the Curt Adjustable Width Trailer Hitch Receiver for RVs # 13703 which is designed for trailer and RV frames 22"-72" wide and has a 3500-lb towing capacity. This hitch can be mounted on the frame of your Open Range 427BHS, however I would first consult with your trailer's owners manual to determine whether or not the frame is... view full answer...
After replacing The Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents # MA10A04751KS, and the motor still does not open the lid you will need to replace the motor. The Replacement 12-Volt Variable Speed Fan Motor for MaxxAir MaxxFan RV Roof Vents # MA10-20968 will replace the 12-volt DC variable-speed fan motor on your MaxxFan 4791KS.
I attached a review video link below. view full answer...
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