Diode; Heat Sealed; Set of 4

Protects Vehicle's Electrical System. If you are looking for the complete package when it comes to towing accessories then look no further. Features & Benefits Heat-Sealed Diodes To Connect Your Motorhome's Running Lights, Turn Signals And Brake Lights To Your Towed Vehicle Diodes Prevent The Backflow Of Electrical Feedback To Protect Both Vehicles' Electrical Systems Package Features Four Diodes Made In USA