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The module is situated in the arm rest where you store stuff unscrew it and you will find the module.
the power control module is located on the passanger side of the car above the plate where the carpet meets the dash.
The power down module is located on the inside of the door panel itself under the armrest. If there is a problem with this module (ie unplugged, stuck etc) the driver's side window will not operate.
Check the buzzer relay and the window control module. The buzzer relay is located above the fuse box and the control module is located under the rear back seat. You may need to replace them. The power window control module can be quite expensive. Hope that helps.
located under the indash.. right side where your gas pedals are. have to open carpet. black box
Its likely it is the power window relay switch, located on the right hande side under the glove box, i think its called a kick panel, but its located behind the computer control module.
The suspension control module (otherwise known as a vehicle dynamics module (VDM)) is located in the trunk underneath the dash of the rear window, almost center, slightly off to the driver side. When servicing this, BE SURE TO TURN THE IGNITION AND THE AIR SUSPENSION SERVICE SWITCH TO THE OFF POSITION. Then you will need to remove the upper trucnk compartment trim panel and lower the module tray. Disconnect the wiring harness jfrom the control module, unsnap the control module from ray clips and remove. Reverse procedure to install.
Above the headliner, near the rear window
behind the rear window under the trim on the passenger side
There is a control module from Chevy for $65.00 that controls the rear window defrogger and antenna signal. Its located in left rear window pillar behind the plastic trim. its very simple to replace.
Under the rear seat on the chassis.
The Drivers Door Module or Passenger Door Module on a 2003 suburban is also known as the "window / door lock" switch. These modules are located on each respective door, i.e. driver side door or passenger side door. It is the module that has the door lock/unlock switch and window up/down switch. Hope this helps...