Turn signals, wipers, and gear indicator light suddenly not working

[inkDaemon]

I have a 1995 Chevrolet Silverado C1500 5.7. I removed the top dash piece today in order to replace the climate control unit. Seemed simple enough (I only had to disconnect the 2 wire harnesses from the dash cover). Replaced everything, cranked it, and noticed the blinkers were stuck on and the wipers wouldn't work. Pressed the hazard light button and the left blinker stayed on. Pressed it a couple more times and the blinkers eventually went off. This is when I noticed that the gear indicator light was also not working. These don't have anything to do with either wire harness that I disconnected, nor the HVAC control unit I replaced. What could cause these 2 issues to happen at the same time? I can understand that by some strange twist of fate the turn signal module died at the time of replacing the HVAC unit, but the gear indicator light too? Anyway, I've checked all fuses/relays and everything seems to be fine. Any ideas?