4 Pin Trailer Wiring. 4 pin connectors are the standard used for most trailers. Starting with the hitch the curt class iv c14012 will work really well.
Connecting the wrong color wires will result in mismatched taillight functions and confusion on the road. Installing 4 pin wiring on a trailer is an easy project that takes a few hours or less. I had no choice but to install the wiring while my boat was on the trailer and having to work underneath my boat made the job a little more difficult but if your trailer is empty installation is much easier.
4 wires will give these functions so the simplest scheme is a 4 pin connector.
Installing the 4 pin trailer wires you must check the trailer manual to see if the wiring is correct but normally the white wire is called the ground wire while the brown wire is used for tail lights. I had no choice but to install the wiring while my boat was on the trailer and having to work underneath my boat made the job a little more difficult but if your trailer is empty installation is much easier. Adapts 4 way flat to both 7 way round and 4 way flat includes integrated test lamps which display proper connections shows if the wiring on your trailer isn t working properly burned. This multi function vehicle end connector converts any 4 way flat vehicle end plug to a combination 7 way outlet and 4 pole flat outlet.
