Delaman Voltage Display E-Bike Thumb Throttle Digital Battery Voltage Display Switch Power with Key Lock

4 wires : yellow is for voltage display wire, connect with electric bike power positive. 5 wires: blue wire connect with controller power lock output wire, yellow wire connected with controller electric switch input wire power positive, 6 wires ; yellow connected with power positive, blue wire and white is is function wire(can work as reverse switch, horn switch, cruise switch, power lock and so on) 7 wires: yellow connected with power positive, blue is share wire, middle gear for 3 gears , white is high gear, brown is low gear. The above is common wiring way, if need made to order please connect with salesperson. Operation Instruction: Voltage digital display turn to completely replace the analog power display turn, 12V to 84V. Note: Non-professional installation please pay attention to the line sequence, do not connect the wrong line, otherwise it is easy to cause hall and LED tube burn.   Basic parameters:  For 12v electric bike, maximum voltage is about 12.6v, mini is about 9v or higher, For 24 electric bike, maximum voltage is about 29.4v, mini is about 21v or higher, For 36v electric bike, maximum voltage is about 42v, mini is about 29v or higher, For 48v electric bike, maximum voltage is about 54.6v, /58.8v, mini is about 40v or higher, For 60v electric bike, maximum voltage is about 72v, mini is about 49v or higher, For 72v electric bike, maximum voltage is about 84v, mini is about 60v or higher, For other electric bike with higher voltage there should be a voltmeter installed. Installation method: 3 wires, red for positive, black for negative, green for signal, and yellow for positive.