MotoCycle: Single Output (H4)

The Morimoto MotoCycle H4 Single Output Bi-Xenon HID Relay Harness is specifically engineered for motorcycle HID and Bi-Xenon projector installations, delivering the stable battery voltage required for reliable lighting performance. Factory motorcycle headlight circuits are designed to power standard halogen bulbs, but HID ballasts require a clean and consistent power source. By supplying power directly from the motorcycle's battery, this relay harness eliminates voltage fluctuations, reduces flickering, and helps maximize the performance and lifespan of your HID lighting system.

Designed Specifically for Motorcycles

Unlike universal automotive relay harnesses, the MotoCycle H4 Single Output harness is purpose-built for motorcycles. The wiring lengths and connector layout are optimized for compact motorcycle fairings and chassis, providing a clean, professional installation without excess wiring or unnecessary modifications.

Whether you're upgrading a sportbike, touring motorcycle, cruiser, or adventure bike, this harness delivers OEM-quality fitment and dependable performance.

Stable Battery Power for HID Systems

The MotoCycle relay harness draws power directly from your motorcycle's battery to provide consistent voltage to your HID ballast. This ensures quick ignition, stable light output, and dependable performance while preventing flickering, voltage drops, and premature ballast failure caused by unstable factory electrical systems.

Single Output Bi-Xenon Design

Designed specifically for H4 (9003) Bi-Xenon applications, this harness powers one HID ballast and one Bi-Xenon high beam solenoid from a single H4 factory trigger input. It is the ideal solution for motorcycles equipped with a single headlight or custom single Bi-Xenon projector retrofit.

Perfect for:

• Single Bi-Xenon Projector Retrofits
• Single HID Conversion Kits
• H4 / 9003 Motorcycle Headlight Upgrades
• Single Headlight HID Conversions

Premium OEM-Quality Construction

Manufactured to Morimoto's renowned quality standards, the MotoCycle harness features heavy-duty Techflex braided sleeving that protects the wiring against abrasion, heat, moisture, and vibration. A durable black anodized relay housing offers superior weather resistance while maintaining a clean OEM-style appearance behind your motorcycle's fairings.

Features

• Designed specifically for motorcycle HID and Bi-Xenon installations
• H4 / 9003 trigger input
• Powers one HID ballast and one Bi-Xenon high beam solenoid
• Supplies stable battery voltage directly to HID ballasts
• Eliminates flickering and inconsistent HID operation
• Optimized wire lengths for motorcycle applications
• Ideal for single headlight and single projector retrofit systems
• Plug-and-play installation with minimal modification
• Heavy-duty Techflex braided wire protection
• Weather-resistant black anodized relay housing
• Premium Morimoto engineering and build quality

Whether you're installing a single HID conversion kit or upgrading your motorcycle with a custom Bi-Xenon projector retrofit, the Morimoto MotoCycle H4 Single Output Bi-Xenon HID Relay Harness delivers the dependable power, compact design, and OEM-quality construction needed for maximum lighting performance and long-term reliability on every ride.