Adj.
RJ, the knob on the left side of the controller is the level knob, the right one is the gain(amount of braking) The left knob MUST be adjusted before the right can be set correctly. Truck must be on level surface to perform this adjustment correctly. On the right knob, there is a mark (notch), rotate the top of this knob toward the front of the vehicle untill the notch is in the 5 o'clock position, now turn the knob on the left toward front of vehiclse until the light just starts to change color to red, rotate it in opposit direction until light just fades from red to orange. Now rotate the right knob (gain) until the notch is straight up(12 o'clock position) Hook up trailer and tow at low speed (25 mph) engage manual overide bar by sliding all the way to left, if trailer brakes lock up, decrease gain by rotating rt. knob back toward you, if braking is not enough, rotate knob toward front of truck. Repeat this step until the brakes are adjusted to youor satisfaction. bg