How to Troubleshoot ABS on a Tractor Trailer 

If you understand how the ABS system works on Tractor Trailer units it makes it a lot easier to find and fix faults.
**I mentioned in the video that I thought the blink codes were the same from bendix to wabco, they are not the same. The links below will give you the proper blink codes for each system**
Meritor Wabco Blink Code Diagnostic guide
www.meritorwabc...
Blink codes for bendix, meritor wabco and haldex
ipatools.com/me...
Trailer Teck light and brake tester
redtech.ca/broc...
Here is a good resource on how the air brake system works
www.free-ed.net...
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Disclaimer: This video is for information only, do not attempt any repairs unless you are properly trained and competent.