Upgrade your vehicle s towing capabilities to new heights by installing the Tekonsha 119191 ModuLite HD Protector Trailer Light Power Module. This trailer tail light module comes with an integrated circuit and overload protection module and an installation kit. Modulites are powered modules installed in a tow vehicle to power a trailer s stop turn tail and running lights without overloading the vehicle s electrical system. They are compatible with 2-wire and 3 wire systems. With a Modulite all the additional power required to supply the trailer lights is supplied directly from the battery. Only a small amount of power is required from the vehicle s electrical system. This trailer light unit is rated for up to 4.2 amps for turn/stop lights and 7.5 amps for the taillight circuit. You can use this trailer light adapter with LED and incandescent bulbs on the vehicle or trailer. This universal ModuLite trailer light module is designed for use on most vehicles including hard-to-wire vehicles.