Many of today's vehicles do not possess the electrical means for powering the extra voltage requirements of a trailer. Power Taillight Converters units completely isolate the tow vehicle from trailer malfunctions. Power is taken directly from the battery for isolation and brighter trailer tail lights. Product Features:For vehicles equipped with independent bulb turn signals or common bulb systemsProtects tow vehicle electronics from wiring shortsIncludes 14 ga. power lead wire, fuse & fuse assembly, splices, and cable tiesPowers up to 5.0 amps per outputReceives power directly from the batteryIncludes vehicle side 4 flatIncludes dust cover and grease packet to prevent corrosion