How to Level an Older Primus Brake Controller

Question:

How do you adjust the controller with the leveling arrow on the left side of the unit with the emulator? Thanks

asked by: Rick S

Helpful Expert Reply:

It sounds as if you have a Tekonsha Primus brake controller without the boost function built in. Your controller should have a power adjustment wheel on the left side and a manual brake activation slide switch on the right side. If there is a lever on the side it is most likely a leveling lever that needs to be set so that the sensor in the controller is level and will supply the proper voltage with deceleration of the vehicle.

The lever for leveling the brake controller is normally pointed on one end or has an arrow on it, that is designed to be pointed straight down at the ground, when the vehicle is level. This allows for installation of the brake controller at varying angles in the towing vehicle.

expert reply by: Jameson C