Throttle with Reverse Switch and 3 Speed Switch compatible with the Brushed and Brushless Speed Controllers that we sell Brand new with warranty. This Throttle needs a speed controller box in order to function. The speed controller box must have inputs for reverse and cruise control. _ Throttle red = positive (+) 5V black = GND (-) white = (speed) signal F-R switch is a (NO-normally off) rocker type switch yellow = (F) forward gear (when switch is in the (F) position the switch is off (not making contact) brown = (R) reverse gear (when switch is in the (R) position the switch is on (making contact) 3 Speed switch (Switch will connect either 2 cables from the available 3 at any time) Freely test with your controller to obtain the desired result. NOTE: This is for controllers that have a 3 cable input for 3 speed control NOTE: This can also be used as a switch for lights, horn, signal, etc * Alternate uses The F-R switch could instead be used as an On/Off switch (to control the speed controller on vehicles without a reverse function) When in the (F) position the speed controller would be off & when (switched) to the (R) position the speed controller would be On. (energized) …& the Cruise control button could be used for a horn. We also sell other electric scooter parts and mini Bikes Warranty: 12 months from purchase date. We will only replace motors that do not work out of the box. We test all motors before shipping. We will not replace burnt out motors.