Tow-Ready ModuLite (R) Modulite HD Module Tow Vehicle Circuit Protector w 119191 17-0316

* Plugs onto any T-One or 4-Way Flat Connector. * Powers the trailer's stop, turn and tail/running lights directly from the tow vehicle's battery. * Virtually eliminates current draw on the vehicle's taillight circuits. ModuLite HD w/ Circuit Protection, up to 4.2 amps per stop/turn circuit & 7.5 amps per tail circuit, includes wiring kit.