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All the answers for your Trailblazer from true enthusiasts!
the rear washer pulls from the front...fill the front end and the rear should work.
escape 01 rear wiper dosen't work
If the front blower and the front windshield wiper do not work on a 2004 Chevy Trailblazer, it could be the fault of the relay switches on the blower and the wiper. Also check the fuse box on top of the battery for a multi-function fuse that might be blown.
If you install the new style wiper from the '07 and up trucks it will work great. www.parts4chevys.com has a kit they sell in their Trailblazer section. All you need to know is at www.trailvoy.com
In the 2003 Jeep Liberty, the rear wiper switch is located on the end of the windshield wiper control stalk on the right side of the steering column. To operate the rear wiper, turn the stalk to the rear wiper position. For intermittent use, you can pull the stalk towards you to activate the rear washer. Remember to ensure the rear wiper is in the "on" position for continuous operation.
The 2004 Chevrolet trailblazer air conditioning fan switch has three settings. The switch can malfunction, and only work in the high setting.
If the rear window is not fully closed the rear wiper will not operate.
there is most probably a wiring faulty
You need to replace the wiper motor.
The blower motor speed resistor is burned out.
pull the panel off there is this stupid gravity switch that sieze in all of them once panel is off spray mechanism with WD40 and work them by hand just need to be freed up
2003 GMC Envoy rear wiper troubleshooting - check in this order: Fuse, switch, spindle/tightness of arm, motor, wiring. See the Sources and Related Links section below for rear wiper blade information.