37 $
Description
- Plug-in that allows trailer wiring and relay kits to power trailers with a four-wire harness (run/left turn/brake, right turn/ brake and ground)
- Fifth bonus wire is available to provide a fused 12V power supply to the trailer compartment for lights or keyless entry systems that are wired independently of the trailer’s essential lighting
- Includes 4-pin flat vehicle connector
- Sold each