Here is the entire wiring diagram for this system. If the light does not come on then I suspect either the AC control module itself (which is where the light is) or the BCM. However, if the BCM is the issue, I would suspect the light would come on. So we need to measure voltage on the pink wire of the AC module. If you have voltage there then we need to make sure the ground is good as well. If both are good then the module (button) is the issue.
Let me know and we can go from there.
Images (Click to enlarge)
Sunday, November 3rd, 2019 AT 1:45 PM