Universal Trailer Harness

As motorcycles become increasingly complex with electronic ignitions, fuel injection, ABS braking, and other sensitive electronics, isolating the electronics between your motorcycle and trailer is crucial for safe riding. Big Bike Parts' Electronically Isolated Trailer Harnesses for the Honda Goldwing and the Can-Am Spyder have set the standard for trailer-to-bike protection for years. This same Electronically Isolated Trailer Wire Harness is now available as a Universal fitment for all other motorcycles, ensuring the protection of your bike's sensitive electronics.

The electronic backflow is eliminated with heavy-duty, self-setting relays that safeguard your motorcycle. The five-wire system provides a direct connection for running, brake, left turn signal, right turn signal, and ground, ensuring reliable and consistent performance. Weather-resistant, gel-sealed splice connectors are included to facilitate an easy and durable connection for long-term use.

Designed for use on Harleys, Yamahas, and other great trailer-pulling vehicles, this Electronically Isolated Trailer Wire Harness is the solution to protect your motorcycle's sensitive electronics while towing a trailer. The five-wire system and heavy-duty, self-setting relays work together to eliminate the risk of electronic backflow, ensuring the safe and reliable operation of your motorcycle during the towing process.

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