Passenger Van Rear Blower Motor Does Not Operate at Med Speed

Passenger Van Rear Blower Motor Does Not Operate At Medium Speed Only When Operated From Either The Front Or The Rear Auxiliary HVAC Control Modules (Part 1 Of 2):

Passenger Van Rear Blower Motor Does Not Operate At Medium Speed Only When Controlled From The Rear Auxiliary HVAC Control Module:

Passenger Van Rear Blower Motor Does Not Operate At Medium Speed Only When Controlled From The Front Auxiliary HVAC Control Module:

Passenger Van Rear Blower Motor Does Not Operate At Medium Speed Only When Operated From Either The Front Or The Rear Auxiliary HVAC Control Modules (Part 2 Of 2):