Rivco Products 4 to 5 Wire Signal Decoder
€ A must-have for trailers with a 5-wire system; separates the combined CAN-bus signal allowing it to correctly operate lights on trailers€ Features new wiring that combines brake and turn signal functions together on a single wire from a computer module to lights€ A plug-in connection between sub-harness 179-412 and the trailer wiring isolator€ For use ONLY with Rivco Universal Trailer Wiring Isolator ZZ38182 sold separately
