Roadrunner D4+4.0 Wire Harness (OEM)

Free
This is a pre order item. We will ship it when it comes in stock.

Restore full electrical function to your scooter with the official Roadrunner D4+ 4.0 Wire Harness (OEM). This factory-original replacement harness is designed specifically for the D4+ 4.0 model, ensuring proper connectivity between the display, throttle, controllers, lighting system, and other critical electrical components.

If you’re experiencing power issues, intermittent shutoffs, display failures, lighting malfunctions, or unresponsive throttle input, a damaged or worn wire harness may be the cause. Replacing the harness with a genuine OEM unit ensures reliable signal transmission and safe operation.

Why Choose RoadRunner Scooters?

We're Committed to Our Customers.

Designed in America

We firmly believe in the importance of American craftsmanship. Our electric scooters are designed and tested right here in Denver, Colorado. We maintain the highest standards of quality and innovation.

Top Quality & Safety

We craft each of our electric scooters with the highest standards of engineering, utilizing premium materials and the latest technology to ensure durability, performance, and safety.

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We're dedicated to providing an unmatched customer experience. Your satisfaction drives us, and our friendly, knowledgeable team is here to support you every step of the way.