I have an 03 Express AWD. I just had a new stereo put in it (works fantastically by the way). I noticed after the install that the switch for the rear fan no longer illuminates when I turn the lights on. Is this something that I should have expected with the aftermarket stereo install, was something done wrong, or is it merely a coincidence that it doesn't light up? Any way I can test it? Any insight would be greatly appreciated. I'm going to have to pull the radio in about a week to add a bypass relay so it'd be nice to be able to tackle this as well while I'm in there.