Result: knobs

I have no light on the brake controller. I turned the power knob, hit the boost button but still nothing. I cannot find a blown fuse either. | I have no light on the brake controller. I turned the power knob, hit the boost button...

The manual override on the Pro-Series part # 80550 is the knob on the front of the controller. Make sure to have both the power adjuster on the side and the manual override set. | At the plug at the back end of my 2009 Dodge...

I do recommend cutting the wires to your factory brake controller to avoid any future issues, but this is a great choice because of the clean installation it provides with the knob controller. This isn't your typical knee knocker style brake controller, so it installs out of the way but will still provide you with responsive, proportional braking for your trailer. |

Next, make sure that the brake controller power knob is not set to 0 and that the brake controller is installed between -20 and +70 degrees of level and that the level adjustment is properly set. | Got the truck used with...

If you are getting power on the black wire exiting the rear of the controller, but are not seeing any readout on the screen, try adjusting the power knob. If you still see nothing, the controller is probably faulty. | I bought...

If your brake controller has a leveler knob, then if it is off even a little it could cause all sorts of weird braking to occur and could be causing this issue. | I have a 1996 Dodge Cummins 2500 plus an older Fifth Wheel 1985....