You don't know what your getting into , The door switches have electronic control modules incorporated ,DDM- Driver door module an PDM passenger door module .
The power window system consists of the following components:
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Driver Door Module (DDM)
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Passenger Door Module (PDM)
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Body Control Module (BCM)
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RR power window switch
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Window up and window down relays in each of the rear passenger window switches
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Window lockout switch
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Reversible power window motors in each of the doors (circuit breaker protected)
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LT DOOR CB 25A (System power for left windows)
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RT DOOR CB 25A (System power for right windows)
The DDM contains four power window switches which are integral components. Closing any of the normally open, rocker type switches provides the DDM with a request for power window operation. The switches for the two front windows have three positions UP, Down and Express Down, while the switches for the rear windows have only two positions, UP and Down. Each of these switches and their positions is a direct input into the DDM. Upon receiving a request for power window operation, the DDM, transmits a Class 2 message indicating the switch and it's changed position.
The PDM contains a single power window switch that is an integral component. Closing of this normally open, rocker switch provides the PDM with a request for the front passenger power window operation. The switch for the front passenger window has two positions Up and Down. Each of these switch positions is a direct input to the PDM.
The two rear passenger doors have there own switches. Each of the switches contain a power window up and down relay. A switch activation alone can control the up and down functions of the rear windows. However the BCM, upon receiving a Class 2 message from the DDM, can control the set of relays which will activate the rear window motors.
You need a scan tool to diagnose these systems
Power Window Inoperative - Driver Door
1
Did you perform the Door Systems Diagnostic System Check?
Go to Step 2
Go to Diagnostic System Check - Door Systems
2
Operate the driver power window in the UP and DOWN directions.
Does the driver power window operate properly?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
Go to Step 3
3
Does the driver window status data parameter display an active state?
Go to Step 11
Go to Step 4
4
Does the driver window status data parameter change accordingly?
Go to Step 5
The data link connector (DLC) allows a scan tool to communicate with the class 2 serial data line. The serial data line is the means by which the microprocessor-controlled modules in the vehicle communicate with each other. Once the scan tool is connected to the class 2 serial data line through the DLC, the scan tool can be used to monitor each module for diagnostic purposes and to check for diagnostic trouble codes (DTCs). Class 2 serial data is transmitted on a single wire at an average of 10.4 kbps.
You
SOURCE: drivers side window switch not working on 2005
the drivers door switch is most likely bad, they get used the most and wear out first, the connector on the back of switch may have come loose and not making good electrical contact, remove switch and check connector and if still not working need new switch, the windows are all on same circuit and either all work or none work so not fuse. extremely rare is a short in wired but not likely.
SOURCE: 2003 Chevy Tahoe. Driver's side power window
check releys and wires in door jam 1 might be broken failing that u need a new switch
SOURCE: The switches on my drivers
First check would be for blown fuses. Next i would check for a good power and ground at the drivers door switch. If you find a bad power or ground at the switch, trace it back and look for a broken wire. Most likely place to find the wire would be in the drivers door jam. If your power and ground check out ok, and the switch isn't providing power to the window motor and door locks when pressed, then the switch is bad.
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