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Trailer Test & Inspection
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Inspect, Test, and Troubleshoot:
Air-Brake, ABS, Wiring,
and Lighting Systems

(INSPECTOR or Shop Kit gallery)

The LITE-CHECK INSPECTOR 910B is a compact, easy-to-use. all-in-one automated trailer tester that makes even an inexperienced technician into someone who can properly inspect and repair trailers.
INSPECTOR Overview Video

Air Brake Video
  • Full air management system with dedicated electric valves for Emergency and Service air supplies
  • Internal pressure regulator for Service Air
  • Air supply isolation system, custom gauges with 2 psi scale, and digital timer provide for very rapid identification of both internal and external leaks
Lights and Electrical Video
  • Direct readout of electrical faults: "chassis short", "open supply", "open ground", "shorts between circuits"
    - Note: the circuits with identified faults are noted on the digital display
  • Volt and Amperage measurements for each circuit
  • Automated "All Circuits Test" performs a test of all of the circuits in less than 10 seconds
  • Built-in 7-way cable tester checks for crossed wires and broken connections
  • 12 Volt operation easily supports shop and mobile applications
  • Individual circuits, all circuits, or any combination of circuits may be activated at the same time
  • Tractor electrical outputs can be tested and their voltages levels can be displayed on the tester's digital display
  • Each type of fault has its own unique audible alarm to speed the identification of intermittant faults and to support visible inspections using the included remote control

ABS Inspection Video

  • One-Button ABS Fault Identification
  • Instant identification of the trailer ABS ECU - make & model!
  • Can read and clear fault codes for HALDEX, MERITOR WABCO, BENDIX, and WABASH ECUs
  • Reads cumulative mileage from trailer ABS ECU
  • When faults are present in an ABS ECU, the recommended troubleshooting steps from each ABS manufacturer can be displayed on the tester's digital display

    Note: Mileage reading capability is a feature of INSPECTOR software version 8.2 and newer. The trailer ABS ECU's supported are: Haldex, Bendix TABS-6 and EC30, and Meritor Wabco produced beginning in 2004.
    Please see the INSPECTOR software version 8.2 release for details


  • Full remote control of air supplies with built-in anti-compounding protection
  • Remotely test Brake, Left, Right, Tail, Aux, and Marker circuits while walking around the trailer
  • Full-function remote with dedicated buttons for all the tester's circuits and major finctions.
  • Large format design for easy handling


  • The INSPECTOR operates on 12 Volt DC power making it suitable for both shop and mobile applications.
  • LITE-CHECK manufactures a 12 volt DC filtered and regulated power supply (311R) which is a perfect companion for INSPECTORs used in shop environments.

A standard 12 Volt battery is a good power source for the tester, but unfiltered power supplies such as battery chargers should not be used as a direct power source as they will disrupt the operation of the INSPECTOR's electronics, and can cause damage to both the tester and ABS controllers.

What Comes in the Box
  • 910B INSPECTOR tester
  • Owner's Manual
  • Remote Control unit (keyed to tester)
  • Batteries for Remote Control - installed
  • Quick Reference Guide
  • CD with product overview video, PDF versions of Owner's Manual and Quick Reference Guide
  • Clear protective cover for tester
  • One year warranty that includes software updates and phone support
Note: Software updates are provided on EPROM'S (computer chips), and are user installable.

*Specify Battery Clamps or Ring Terminal Connectors for connection to a DC Power Supply.

  • Service Truck Kit (20' 7-way and leak-tested 20' air hoses with glad hands, pressure regulator with filter, and quick connect fittings)
  • Shop Kit (8' 7-way, leak-tested 8' air hoses with glad hands, shop cart, pressure regulator with filter, and quick connect fittings)
  • DC Power Supply
  • Tractor Brake Pedal Actuator
  • Additional Remote Control units
  • Remote Control Neck Pouch
  • Shop Cart
  • Air Hoses
Additional Resources


INSPECTOR Introduction Video

User Testimonials

Trailer Brake Operation and
Leak-Test & Inspection

Lighting System Inspection

ABS Diagnostics

How to Purchase
LITE-CHECK products are sold directly by LITE-CHECK, LLC, at manufacturer direct prices. GSA pricing is available on the 910B and several other LITE-CHECK trailer test and inspection systems.

THE LITE-CHECK INSPECTOR is also available for military and government purchases:
NSN 4910-01-328-0676
Contract # GS-O7F-0023K

Ask about financing options



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3102 E. Trent Avenue, Spokane, WA 99202
(509) 535-7512 • (800) 343-8579 • Fax (509) 535-7680