ELECTRONICS RELA Y S P art Description 41075 12V 40A SPDT Diode Supressed 41080 12V 40A SPDT w Resistor Electromechanical Relays P art Description 41065 12V 70A SPST Hea vy Duty w T a b P art Description 41085 12V 70A SPST Hea vy Duty P art Description 41130 12V 40A SPDT 41135 12V 35A SPDT W a terproof 41140 12V 35A SPDT W a terproof w Resistor 128 18005675483 A relay is an electrically activa ted s witch tha t shortens the distance current has to tra vel from the ba tter y to wha tever device is being po wered This ensures tha t the optimum amount of current is efficiently delivered to lights horns or an y other accessor y