Tail Light Converter to Combine Separate Stop and Turn Lights for Trailer

Updated 09/14/2017 | Published 09/13/2017

Products Featured in This Question

Curt 4-Way Flat Trailer Connector w/ 60" Harness and Wire Taps

(130)

$15.67

Roadmaster Brite-Lite 3-to-2 Tail Light Converter for Towed Vehicles

(129)

$54.92

Question:

Need circuit protector for a motorcycle trailer. Need 4 wire + ground to the trailer tail, stop, lturn, rturn, gnd. Please recommend a unit.

asked by: Jim O

Expert Reply:

In most trailer wiring the stop and turn light signals are combined into one circuit for each side of the trailer. 4-pole wiring uses a yellow wire for the combined left-hand stop/turn signal and a green wire for the right side. 7-way wiring also combines these light functions. You can refer to the linked article on trailer wiring.

If you are looking to connect a motorcycle's separate stop and turn lights to a trailer whose lighting is combined you can use Roadmaster part # RM-732. This converter takes in the separate signals from the motorcycle and combines the stop/turn circuits at its output.

At the converter's output side you will need to splice in a vehicle-side 4-pole connector # C58044 to match your trailer. Mount the converter in a safe protected spot on the vehicle and carefully wrap all splices with electrical tape. Note that your running (tail) light wire on the bike bypasses this converter completely; it connects directly to the 4-pole's brown wire.

If I have misunderstood your need please reply via email to clarify.

expert reply by: Adam R