Infotainment, radio, rear camera

[Chuma]

Randomly when I start my 2009 Yukon XL the radio,rear camera (infotainment display) simply remains black. Doesn't work the entire drive. Sometimes if I shut off the ignition and restart it p o o f it comes on like normal. HELP

 

[petethepug]

Open the rear hatch. Look up at the harness that connects between the roof sill and the top of the rear hatch.

If corrosion is found use only marine grade butt connectors that heat shrink into a waterproof, bonded seal.