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How To Properly Aim Your Snowplow Headlights


How To Properly Aim Your Snowplow Headlights

Visibility when snowplowing is key to efficiency and safety.  The BOSS Snowplow makes it easy for you to see even on the darkest, nastiest of nights with our SmartLight2 headlight system.  The system is designed to make it easier to see wider, farther and with more consistency.  While the BOSS SmartLight2 system does offer a vise-like mounting grip to keep the lights in alignment, it is a good idea to check your alignment from time to time to make sure the headlights are properly aimed. 

This video provides a how-to-guide on aiming your snowplow headlights in addition to step by step instruction guide also listed below.




1. Place the vehicle on a level surface 25 feet in front of a matte-white screen, such as a garage door. The screen should be perpendicular to both the ground and the vehicle.

2. The vehicle should be equipped for normal operation. The snowplow blade should be in place and in the raised position.

3. Next are some points listed by the Society of Automotive engineers (SAE) pertinent to headlight aiming. These points can be found in publication #SAEJ5991D

Preparation for Headlight Aim or Inspection

  • Before checking beam aim, the inspector shall:
  • Remove ice or mud from under fenders.
  • See that no tire is noticeably deflated.
  • Check vehicle springs for sag or broken leaves.
  • See that there is no load in the vehicle other  than the driver.
  • Check functioning of any “level-ride” controls.
  • Clean lenses and aiming pads.
  • Check for bulb burnout, broken mechanical aiming pads, and proper beam switching.
  • Stabilize suspension by rocking vehicle sideways

4. Mark (or tape) the vehicle centerline of the headlights and the vehicle itself on the screen. Mark the horizontal centerline of the headlights on the screen (distance from ground to headlight centers). The correct visual aim for Type 2 headlights is with the top edge of the high intensity zone of the lower beam below the horizontal centerline and the left edge of the high intensity zone on the vertical centerline. See diagram below.

Headlight Diagram

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