currently having an issue in which the A/C isnt working

ca was in a front end collision, we replaced the compressor, condenser, and a crossmember mount near the area.

a/c system is fully charged with 0 leak issues.

all we've been able to figure out is that the compressor itself is not getting power.

only things i know that are not connected are airbags, and lights.

any thoughts and tips to test let me know.