Home / Retail Showroom / Trailer Electrical / Wiring Adapter, 4-Way Flat to 5-Way Wiring Adapter, 4-Way Flat to 5-Way Adapters for a quick switch from one style plug to another when towing multiple trailers. 51-20036 Categories: Retail Showroom, Trailer Electrical, Truck Electrical Product ID: 3557 Related products 4K Slipper Spring 2in 1403T3 Buy now DEXTER 23-180 ELECTRIC BRAKE ASSEMBLY LH 12″ 7K Buy now 3.5K Slipper Spring 1203T3 Buy now CASTLE® FIREBALL™ Buy now