The Nerve Center of Your RideWhen your e-bike's electrical system acts up, the main wiring harness is often the culprit. This replacement main wiring harness restores clean, reliable power flow between your battery, controller, motor, and display — getting you back on the road fast.Key Features Full System Connectivity – Connects all key electrical components for seamless, stable operation Weather-Resistant Insulation – Durable casing protects wiring against moisture, heat, and abrasion Plug-and-Play Connectors – Standard connectors for straightforward installation, no splicing needed Reliable Power Flow – Ensures consistent signal and power delivery to motor, display, and controls Model-Specific Fit – Designed for precise compatibility with J1, D77, D93, D93 PRO, DS-8, and DS-9 Compatible ModelsJ1 | D77 | D93 | D93 PRO | DS-8 | DS-9Restore your e-bike's electrical system — order your replacement harness today.