ZCI Zero Contact Interface Universal T-Connector. No Cutting or Splicing Your Vehicle Wiring! Trailer Light Power Module with Integrated Circuit Protection. ZCI sensor technology and direct connection to the tow vehicle battery, eliminates all electrical connection & interference with the tow vehicle electrical system. Works with 2 or 3 wire systems. Works with PWM or Multiplexed systems requiring 2, 3 or 4 wire hookup. Rated for up to 4.2 amps for turn/stop & 7.5 amps for taillight trailer circuits. Integrated auto resetting short & overload protection. Compact design for ease of mounting. Will work with standard & LED bulbs. Works with low side switched vehicles (Ford Windstar). ONE YEAR LIMITED WARRANTY.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov