Jon63ill
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What Triggers "Check Trailer Wiring" DIC Message
Jon63ill replied to Wxman's topic in 2020-2026 Silverado HD & Sierra HD
I’m also having problems with my new 12 foot enclosed trailer. My 2012 5th wheel works with my 2017 Denali 1500. Trying to set up a bench test with extra trailer coils. Next I’m going to do the resistors for lights to see if I can get the truck to notice a connection.
