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03 chevy Trail Blazer 4.2 service 4 wheel drive codes = p0428. Changed fan blower resistor and fan, ignition switch, key tumbler. Question = The key is stuck in the ignition. The gear selector button will not depress, unless I unhook the wire from the under the hood fuse block that controls the windows, door locks temp control module.
When I unhook the wire that controls these components, the actuator for the gear selector works when I hit the brake pedal and the key can be removed from the ignition. Any suggestions?
Answer: Not sure what you mean by unhooking the wire at the fuse box? Do you mean you have the fuse box out and are now removing wires? That's a bad idea as it will cause more problems and confusion during diagnosis.
Did you get a scanner on it and look at the PRNDL signal? Did you test the release solenoid in the shift console? Sounds like you have a short circuit. You are going to need to follow several schematics testing for open and shorts.