The GEM (generic electronic module) is basically a body control module. It controls things like interior lights, power windows, etc. It is located in the center of the dash here are some GEM wiring diagrams so you can see what it attracted and its location as well (below)
Check out the diagrams (Below)
Please let us know if you need anything else to get the problem fixed.
Images (Click to enlarge)
Monday, December 4th, 2017 AT 5:29 PM