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How to change door lock cylinder 91 chevy pick up.
I think you need to pull the high beem switch back and then hit the door locks once for on and twice for off depends i have a crew cab so they have more door unlock lock choices.
There are a variety of different ignition cylinder designs for vehicles some of which require the original key to turn the lock cylinder to the accessories position to fix the part in the most efficient way.
This is posted in your owners man.
Either way will prevent damage to the key warning buzzer.
However the lock cylinder can also be removed without the ignition key being inserted.
Since the door locks and door handles are accessed easiest by removing the window glass first it s not a bad idea to replace all of the old window channel and door rubber while you re in there.
However if you do not have the original key then you will need to replace the entire ignition switch.
Posted on sep 22 2009.
Driver door lock cylinder replacement on 2006 chevy 1500.
You can use this method on many gm vehicles.
Pull off the panel and unplug all the wiring.
Use a flat blade screwdriver to pry out the door handle bezel.
Remove the door lock actuator 3 45 carefully pull aside the plastic water shield.