What plug goes where in

Question

What plug goes where in a traxxas 4 channel reciever for a 3 channel rock crawl set up, I put the rooster esc plug in the batt slot, the front servo in the 1 slot and the rear steer servo in the 3 slot and the servos work but no motor.
if I put the esc plug in number 2 postition the motor runs with no cntrol and no servos