The control module is under the console between the front seats. It is near the front kind of under the ashtray but closer to the gas pedal. It might only have two plugs the size is about 5” square and about 1” thick. The plugs are color-code, I may be wrong but this module should affect all the lights, locks, radio and many more electronic components. Keep in mind that a lot of these components use the same wires, fuses, relays, and (one pinched wire) or bad circuit in module could cause many problems. There also is at least 10 plus relays under the dash above the emergency brake. The easiest way to check the module is to switch it with a known good one. You should be able to check it with another without removing the center console. You can pull the corner up near the gas pedal an unplug it and plug in a known good one.