I have a 16' Z71 Suburban. The LED's are only on when parked, parking lights manually turned on and/or the auto headlights. During daylight, the LED's turn off and the headlights come on....... I want the LED's on during daylight. I ordered the below harness today and going to try it:
http://www.gen5diy.com/Chevrolet/Suburban/Suburban-LED-DRL-Harness/
http://www.gen5diy.com/Chevrolet/Suburban/Suburban-LED-DRL-Harness/