5050937 | Genuine Paccar® Trailer Brake Control w/ Pigtail

Synchronizes Braking: Controls the amount of braking force sent to the trailer brakes based on the tow vehicle’s braking.

Improves Safety: Prevents the trailer from pushing or swaying by applying trailer brakes smoothly and evenly.

Adjustable Braking: Many controllers allow the driver to adjust brake sensitivity or force, depending on trailer weight and road conditions.

Types:

• Time-Delayed Controllers: Apply a preset brake force after the tow vehicle brakes are applied.

• Proportional Controllers: Use sensors to detect vehicle deceleration and apply trailer brakes proportionally for smoother control.

Trailer Brakes Don’t Engage

• When you press the brake pedal, the trailer brakes don’t activate at all.

Uneven or Jerky Braking

• The trailer brakes apply too suddenly or unevenly, causing jerking or shaking while braking.

Trailer Brakes Stay On

• The brakes continue to apply even after releasing the brake pedal, causing dragging or squealing.

Warning Lights or Error Codes

• Some vehicles display a brake controller warning or trailer brake system error.

No Response to Manual Control

• The manual override on the controller (usually a slider or knob) doesn’t activate the trailer brakes.

Intermittent Operation

• The trailer brakes work sometimes but fail unpredictably.

Burning Smell or Overheating

• A faulty controller can cause the brakes to overheat, emitting a burning smell.

Unusual Noises

• Buzzing, clicking, or other unusual sounds from the controller unit.