Try this. Get a RC 4cell AA battery holder, can be purchased at Amazon. Spectrum supposed to Bind at Manufacture, Sometimes you have redo. Remove RX from car and St and Thr servos. Install your Binding Jumper. Now plug in the battery holder on either the ST or TH slot, Your LED should be Flashing. You are very close! Press Bind button on TX, then turn on TX. Both LED's on RX & TX should be SOLID. Done! Turn off and REMOVE Holder, Bind Jumper. Reinstall your ST & TH Servos. Test function. You Have to Calibrate the ESC follow directions.