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Tekonsha Primus™
Proportional Brake Control
1 to 3 Axle Brake Systems

(Model Number: 90155 & 90155-CLR)
Introducing PRIMUS™, a totally proportional electric trailer brake control. Primus utilizes the primary sensor technology from Prodigy and features the Tekonsha® one step "Point and Go" set-up system. Easy-to-set systems allows the driver maximum flexibility when determining how the trailer should respond to a braking event. Snap-in dash mounting clip and removable electrical connector allow unit to be quickly stored when not in use. You will appreciate the digital readout depicting a secure electrical connection and the amount of voltage delivery to the trailer brakes. Primus meetings National Highway Traffic Safety Administration (NHTSA) regulations regarding tow vehicle/trailer light activation. It also offers a 15 year warranty (some conditions apply). The Primus™ is available in graphic or clear models.

Primus™ Features
  • Applies power to the trailer brakes in proportion to vehicle's deceleration.

  • Utilizes the primary motion sensor of Prodigy and has a one step "Point and Go" set-up.

  • Digital display depicts voltage delivery to trailer during braking.

  • Pre-assembled wire harness for simple hookup.

  • Unique pocket mount allows for flexible mounting options.

  • Quick and easy disconnect feature allows user to remove and store the control when not in use.

  • Made for up to three-axle trailer brake systems.

  • Meets N.H.T.S.A. regulations regarding tow vehicle/trailer light activation.

  • 15 Year warranty (some conditions apply).

Primus™ Downloads
Brake Control Wiring Instructions
Brake Control Wiring Harness Primus Owners Manual
Primus Tow Card