A/C not working, could it be bad wiring?

Sure, I can help you fix it, I would start by turning the system on and then check for power at the compressor clutch feed wire wht/gry.

Here is a guide to help:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Also jump the low-pressure switch to see if the system comes on because you may be low on refrigerant. Please go over this guide as well:

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

There are a hand full of fuses that need to be checked as well, here are the A/C system wiring diagrams so you can see how the system works and which fuses to check. Check out the images (below). Please upload pictures or videos in your response of any problems so we can see what to help you with.