Product Code:SAE J2350 Title:Electric Blower Motor Switch--Trucks, Buses, and Multipurpose Vehicles Issuing Committee:Truck And Bus Windshield Wipers And Climate Control Comm Scope:This SAE Recommended Practice establishes for trucks, buses, and multipurpose passenger vehicles with GVW of 4500 kg (10 000 lb) or greater:a. Minimum performance requirements for the electric blower motor switch.b. Uniform test procedures that include those tests that can be conducted on uniform test equipment by commercially available laboratory facilities.