Utility Trailer Tail Lights Wiring Diagram

The 4 pin connector only has the first 4 items listed.

Utility trailer tail lights wiring diagram. The difference between the two diagrams is the type of wiring harness that is being used. 4 way flat molded connectors allow basic hookup for three lighting functions. Step 1 the trailer connector should extend 2 3 feet past the tongue. 5 way trailer wiring diagram allows basic hookup of the trailer and allows using 3 main lighting functions and 1 extra function that depends on the vehicle.

This is a short video series of the steps that i have taken to refurbish and old utility trailer that was designed and built by my father. Diagram 1 shows a traditional wiring layout with jumper wires to provide running light functions for both sides of the trailer and diagram 2 shows a wishbone harness. Be sure to check with your local laws. If you have an old trailer and want to replace everything i recommend using a kit like our optronics tail light kit tl29bk and our trailer wiring installation kit hm51020 we also have an led kit tll9rk.

This is part 3 wh. I have attached two basic trailer light wiring diagrams of utility trailers for you to check out. It is possible that one of the bulbs on your trailer burned out. Green right turn signal right brake light.

So check the lights. The wires are colored differently using white for ground green for right turns and brakes yellow for left turns and brakes and brown for the tail lights. 7 pin this is an excellent in depth video on how to wire a 7 way round trailer plug that includes wiring diagrams. An extra pin allows using another extra function.

First lets make sure you have all of the parts you need to wire a trailer for lights. How to wire trailer lights. The rest you can ignore. Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white.

The best way to solve your trailer lights wiring issue is to eliminate possible problems one by one until you have pinpointed the root cause of the malfunction. Video tutorial on how to wire trailer lights. Brown tail lights side markers and running lights see brown wire notes below 3. 5 wire trailer wiring diagram.

So here i have an older trailer which needed some work along with re wiring the lights. The first thing you need to do is make sure that your connector works properly. Yellow left turn signal left brake light 4. Please see the trailer wiring diagram and connector application chart below.

Installing your 4 pin trailer wiring system is easy if you follow the correct procedure. Trailer wiring diagrams 4 way systems.