Trailer Wiring & Relay Harnesses

for ’18-’21 Gold Wing

PN#2990 - Plug & Play Trailer Wiring for '18-'21 Gold Wing with 4-Wire Trailer
PN#2583 - Plug & Play Trailer Wiring for
Eliminate overloading stock lighting or accessory circuits. The Kuryakyn Trailer Wiring & Relay Harness utilizes inputs from the motorcycle to direct power away from the battery to the appropriate trailer circuit.

  • 5-Wire Plus 1: Provides standard 5-wire output (run, brake, left turn, right turn, ground), does not include receptacle kits due to variance in trailer manufacturer requirements
  • 4-Wire Plus 1: Provides standard4-wire output (run, left turn/brake, right turn/brake, ground), includes flat-4 connector
  • Both harnesses contain a "bonus wire" to provide fused 12v power to the trailer for compartment lights or security/keyless entry systems

P/N Fitment
2990 Gold Wing '18-'21 Gold Wing
2991 Gold Wing '18-'21 Gold Wing
WARNING: Cancer & Reproductive Harm -

You May Also Like

Kuryakyn Facebook Kuryakyn Instagram Kuryakyn YouTube Kuryakyn Twitter Kuryakyn Blog

© 2022 Kuryakyn
Kuryakyn Logo


We are taking orders, shipping daily, and we are here to answer your questions. For the health and safety of our employees, our sales & tech teams are working remotely. We encourage the use of our online chat portal or via email, at

Thank you for your support during this exceptionally challenging time.