ChiMiao 2X Electric Scooter Accessories Motor Brushed Controller & Throttle Twist Grip 48V 1000W for Electric Scooter Bicycle - 750128271

• Ignition switch: thin red (VCC) / thin blue. Indicator light: thin red (indicator power output) / thin black (indicator negative) Brake: thin yellow (brake signal) / thin black (negative power supply). Charging port: thin red (charge input power supply positive) / thin black (power supply negative) Controller line interface definition: Battery: thick black (power supply negative) / thick red (power supply positive). Motor: dark white (negative pole of the motor) / dark blue (positive pole of the motor) Brake light: thin red (power supply positive) / thin black (power supply negative) Governor: thin blue (handlebar signal input) / thin black (negative power) / thin Red (5V positive power supply)