ITEM NAME:320A Brushed Speed Controller ESC For Pro RC Car Boat Hobby B8B8 R/C Z9C8 J9H9 Description&Preview.The output red and black lines of ESC need to be connected to the red and black lines of car 540 motor. Using 2S (8.4V), without more than 540 motor. -Connect to the power battery correctly, the red wires at both ends of this wiring boards are positive, black ones are negative.
