Did they not teach punctuation where you went to school? It's hard to understand all the situations you are trying to describe, since all the symptoms are run together. But I think you need to replace the BCM. Better yet, take it to a professional shop and they can confirm whether the BCM needs to be replaced.
SOURCE: I have A 2000 Chevy 3500 Express Van and the brake
Hi,
When you said that you checked the brake switch, did you check it live? Meaning verified live power to the switch, press switch, and then power came out the other terminal?
If so, also verify zero power on brake press, at the offending brake light bulb terminal. You must verify the test light each time you move it...leave running lights on...
After verifying that there is no power coming, after the brake is pressed, note the wire color and find it where it comes to the steering column and test there... This would eliminate wires and connections between front and the rear of the vehicle, unlikely, but needs to be tested.
After verifying no power at that terminal, then yes the t/s switch is certainly suspece. This may be the time to get a mechanic to verify and replace the switch, there are locks, tilt mechanisms, air bags, column bearings, etc involved. Failures risk loss of vehicle control (locking or binding for example.)..
Hope this gets you going in the right direction.
Testimonial: "Thank You. I tried those things and it seemed to be the Emergency Flasher switch in the multi function switch."
This Van has a system in it called delayed exit, this means the radio and other accessories stay on for a time as long as none of the doors are opened, when the door is opened the module senses that switch in the door is activated and shuts everything off. The easy way to test this is open the passenger door, if all shuts off you found the problem, the driver door switch is defective. the switch is attached to the door lock inside the door.
Testimonial: "fixed the problem, axcellent information"
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