First cold snap in New England. Bought my Si in may. Rear defogger not working at all. Had a couple of G's of new audio put in after I bought it. Anybody know off the top of their head if there could be a connection between the new audio (rear speakers are new and stock subwoofer disconnected) and the rear defogger? Maybe power to the defogger is bundled in the wiring harness back there and somehow it's now not hooked up?