Electric Scooter Wiring Harness
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Electric scooter wire Harness
The wire harness system of an electric scooter is mainly composed of the following types of cables and connection components, which are used to transmit power, signals and data. SAISONIC is a wire harness manufacturer with over 30 years of manufacturing experience. SAISONIC offers wire harness and cable assembly solutions for electric scooters.

1.Power supply harness for electric scooters
Connect the battery pack to the controller using 12AWG-14AWG wires to carry large currents (such as 36V/48V systems).
Voltage monitoring (BMS system) balance line for individual cells.
Charge and discharge interface cable: Connects the charging port to the battery and may include a temperature sensor cable.
2. Motor wiring harness for electric scooter/Electric Scooter Motor Cables
Three-phase motor line (brushless motor) : Connects the controller to the motor and transmits the driving current. It includes Hall sensor wires (5 thin wires for feedback on the rotor position).
3. Control signal wiring harness for electric scooters
- Throttle signal line (usually 3 wires: 5V power supply, signal line, ground).
Brake power-off signal line (normally closed/normally open contact).
- Speed gear switching line (such as multi-speed regulation).
4. Electric scooter sensor wiring harness
Speed sensor wiring harness
Magnetic induction or Hall sensor wiring harness
Tilt/vibration sensor wiring harnesses for anti-theft or safe power-off, such as GPS module connection wiring harnesses
5. Electric scooter charger interface wiring harness: Includes CAN bus for intelligent BMS.
6.USB charging cable harness: It supplies power to external devices such as mobile phones.
Contact SAISONIC for Turnkey Electric scooter Wire Harness and Cable Assembly Solutions
We are proud to offer high-quality and cost-effective wire harnesses and cable assemblies that meet the industry requirements of the most demanding electrical applications. Contact us to learn more about wire harnesses and cable assemblies.
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