'04 Suburban (power at the trailer connector)
Hey guys, Thought you RV guys might know the answer here,, One of my hobbies is RC Model airplanes, I built a extension harness that takes power from the 7-pin connector so I can use the 12v. for m...
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Not sure about the Suburban but some years of Silverado only energize that wire when the tow/haul button or lights are on.
