Kuryakyn 4-Wire Trailer Wiring Harness 2599

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  • Regular price $174.99
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Safely and effectively apply the load from your trailer lighting to the battery and not to the rest of the bike's electrical system.
  • Plus, a bonus wire can be connected as needed to provide fused 12 V power to the trailer for compartment lights, or keyless entry systems that are wired independently of the trailer's essential lighting
  • Wire Plus 1 or 4-wire Plus 1 kits provide standard 5-wire output (run, brake, left turn, right turn, ground), or standard 4-wire output (run, left turn/brake, right turn/brake, ground).
  • Relay harness utilizes the inputs from the motorcycle to direct power from the battery to the appropriate trailer lighting circuit
  • Eliminates overloading stock lighting or accessory circuits

The Kuryakyn 2599 4-Wire Trailer Wiring Harness safely applies the electrical load from trailer lighting to the motorcycle battery instead of the motorcycle's stock lighting or accessory circuits. Its relay harness uses input from the motorcycle to direct battery power to the appropriate trailer lighting circuits.

This harness provides standard 4-wire trailer output for run, left turn/brake, right turn/brake and ground functions. A bonus wire can also be connected as needed to provide fused 12-volt power to trailer accessories such as compartment lights or independently wired keyless entry systems.

The Kuryakyn 2599 fits 2015–2021 Harley-Davidson FLRT Freewheeler models and 2014–2016 Harley-Davidson FLHTCUTG Tri Glide Ultra models. Manufacturer part number: 2599. Vendor part number: 2599.

Features:

  • 4-wire trailer output provides run, left turn/brake, right turn/brake and ground functions
  • Relay harness directs power from the motorcycle battery to the appropriate trailer lighting circuit
  • Helps prevent overloading of stock lighting or accessory circuits
  • Bonus wire can provide fused 12-volt power for trailer compartment lights or independently wired keyless entry systems
  • Fits 2015–2021 Harley-Davidson FLRT Freewheeler models
  • Fits 2014–2016 Harley-Davidson FLHTCUTG Tri Glide Ultra models



Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1
Fitment:
2014 Harley Davidson FLHTCUTG Tri Glide Ultra Base
2015 Harley Davidson FLHTCUTG Tri Glide Ultra Base
2015 Harley Davidson FLRT Freewheeler Base
2016 Harley Davidson FLHTCUTG Tri Glide Ultra Base
2016 Harley Davidson FLRT Freewheeler Base
2017 Harley Davidson FLHTCUTG Tri Glide Ultra Base
2017 Harley Davidson FLRT Freewheeler Base
2018 Harley Davidson FLHTCUTG Tri Glide Ultra Base
2018 Harley Davidson FLRT Freewheeler Base
2019 Harley Davidson FLHTCUTG Tri Glide Ultra Base
2019 Harley Davidson FLRT Freewheeler Base
2020 Harley Davidson FLHTCUTG Tri Glide Ultra Base
2020 Harley Davidson FLHTCUTGSE CVO Tri Glide Base
2020 Harley Davidson FLRT Freewheeler Base
2021 Harley Davidson FLHTCUTG Tri Glide Ultra Base
2021 Harley Davidson FLHTCUTGSE CVO Tri Glide Base
2021 Harley Davidson FLRT Freewheeler Base
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. Base
2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide Base
2022 Harley-Davidson FLRT Freewheeler Base
2023 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2023 Harley-Davidson FLRT Freewheeler Base
2024 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2024 Harley-Davidson FLRT Freewheeler Base
2025 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2025 Harley-Davidson FLRT Freewheeler Base