take to dealer. doors have a control module in them either needs reprogram or replacement CHECK YOUR FUSES.
my 02 Chevy trailblazer rear wiper is not working
If your Chevy trailblazer 2004 gauges are not working, check your fuel pump.
If one is wanting to find a variety of Chevy Trailblazer accessories there are a few sites that offer good inventory. One can find these accessories on sites such as Car ID, Auto Anything or Auto Parts Warehouse.
the air pump on 2005 trailblazer is located on the frame rail on the drivers side .by the drivers door
Drivers side at the top of transmission
Drivers side on front of engine compartment
under the back seat.. drivers side
First check the fuses.
See answer for same question on 2004 Chevy avalanche. JIT
Drivers side frame between the doors.
The sensor is located in the front of the vehicle. On my trailblazer it is just behind the grill on the drivers side. You can't miss it.
intermitting problem with no power at drivers door