I have a 2005 Chevy extended cab 1500 and the controls on my driver side door aren't working. The door is saying it ajar when it's closed. I can't roll the windows up or down. Is it the master switch?

take one off the other working door and go to home depot, lowes, or any place that has a nuts and bolt section they should have some also at any auto parts store.

For Doors not getting open with remote or key problem,there are help links provided below.Click the link below to go through its procedure and troubleshoot the problem:----
drivers side front door will not open from inside or outside?

http://technoanswers.blogspot.com/2012/01/ford-f-350-crew-cab-drivers-side-front.html

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Car door will not close?
http://howtobyme.blogspot.com/2011/11/car-door-will-not-close.html

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All power door locks not working ?
http://howtobyme.blogspot.com/2011/11/all-power-door-locks-not-working-on_14.html

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Repairing car Door lock Actuator?
http://howtobyme.blogspot.com/2011/11/repairing-car-door-lock-actuator.html
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How to Access car door panel?
http://howtobyme.blogspot.com/2011/11/how-to-access-car-door-panel.html

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Vehicle door panel components?

http://howtobyme.blogspot.com/2011/11/vehicle-door-panel-components.html

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Truck Door will not close?

http://schematicsdiagram.blogspot.com/2011/12/ford-truck-door-will-not-close.html

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Where is Cars Door control Module located?

http://schematicsdiagram.blogspot.com/2011/12/where-is-cars-door-control-module.html

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Power door locks not working?

http://schematicsdiagram.blogspot.com/2011/12/power-door-locks-not-working.html

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Door ajar light stays on?

http://technoanswers.blogspot.com/2012/01/door-ajar-light-stays-on.html

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Door locks not working?

http://technoanswers.blogspot.com/2012/01/door-locks-not-working-on-ford-explorer.html

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Front Door dis-assembly diagram?

http://repairhelpcenter.blogspot.in/2012/02/front-door-dis-assembly-diagram-for.html

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Rear Door dis-assembly diagram?

http://repairhelpcenter.blogspot.in/2012/02/rear-door-dis-assembly-diagram-for.html

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How to test Power door locks?

http://repairhelpcenter.blogspot.in/2012/02/how-to-test-power-door-locks.html

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Doors will not open with Remote?

http://schematicsdiagram.blogspot.in/2012/02/lexus-doors-will-not-open-with-remote.html

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How to replace Door Hatch ?
http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-hatch-on-acura-integra.html

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How to remove Doors?

http://repairhelpcenter.blogspot.com/2011/11/how-to-remove-doors-on-acura-integra.html

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How to Replace Doors?
http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-doors-on-audi-a4-and-vw.html

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Remote will not unlock Rear door?
http://schematicsdiagram.blogspot.com/2011/12/remote-will-not-unlock-rear-door-on-gmc.html

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Door locks or windows not working on car?
http://schematicsdiagram.blogspot.com/2011/07/door-locks-or-windows-not-working-on.html

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This will help.

Thanks.

This is an extremely difficult problem you have the biggest issue is the door won't open .I'm guessing you have a key less entry system if so can you hear the motor move for the lock in the door dose it have power dose the window work up and down .
This will tell you if the problem is electrical or mechanical if the motor is bad you will hear nothing if the clip broke or popped off.it will make noise.
Worse case you will have to take the other door apart take a close look at how it works then drill a hole in the broken door from the inside at a spot ware you can talk a screw driver and manually pop the lock open.
Well I didn't say it would be easy but if you look closely anyone could do it.

go to a chevy dealer and buy a door switch for your vehicle at the parts department. if you are courteous and patient, the parts guy may even give you a tip on installing it and finding the location of the old one. they generally either screw or snap in. this is a dealer item, not a parts store item.

Check for door ajar switches not making contact.

The Power Windows could be a problem with the driver's side switch. Did you pull and test both motors ? Both sides run through the driver's side switch ( this is how the driver's side switch can change the travel direction of the passenger side, when that switch is in use ). Could also be the fuse for them ( roof / rear slider are on the same fuse, if those are installed and work, it is not the fuse ). Could also be an issue with the accessory delay relay in the fuse panel, the windows operate after the key is shut off, until the door is open ( which the door ajar issue will stop this function ).

The vent issue, there is one by where the steering wheel column goes through the firewall, but this is a ~ 1" round rubber flap. It would take a bit to clog it. There are also rubber slat flaps on the back of the cab.
Is he talking about the cabin filter ( if installed ) ?

The door ajar issue, sometimes the door ajar switch gets gunk in it, and a good spraying of WD-40 on the door latches will usually clear this up. Might take 3 or 4 times of spraying and closing / opening the door to get the door latch switch start to operate correctly again.

Not sure if I misunderstood your issues, but I would be cautious about the person you are getting this information from, it sounds somewhat questionable to me, but this could be me inferring something into it.

What happens when you remove both switches, and wires? What happens when you use a jumper wire acros both wires, on both doors?

i work at a chevy dealership,just had the same problem my fix was to replace the power door lock relay located on drivers side interior fuse block

find jam switch and work it manually and look for obstuction keepign it from closing ...replace if necessary

I have a 2003 chevy 2500HD extended cab that the right side window, seat heater, seat controls, door lock, will not work. all other windows and door locks work. I checked all fuses and they are good. what can it be.