Replacing ABS Module - Trailer Brakes Not Working 2008 GMC Sierra 3500HD

The ABS module was not sending pressure signal to anywhere. 5V reference to the sensor was 0. Replacing the ABS module fixed this issue. Buy it here: https://ebay.us/XOFpdh Buy cleaning disc here: https://ebay.us/4EAgH9 When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network - reddit