My back windshield wiper on my 2004 chevy trailblazer quit working. There seems to be no juice getting to it.

Did u replace fuses/windshield wiper relay ,both relays ,should be 2 inside the engine compartments fuse box, if not that then the wiper transmission arm could be partially busted or stripped....seems like common problem on this page, maybe lookup if might be free recall replacement

check to see if security system is working (activeated) ,look at fuses

COMMON PROBLEM IS THE ELECTRICAL BOARD WHICH IS PART OF THE MOTOR. HOPE THIS HELPS

check wiper motor connections for damp/lose connection

There are only to things which could cause this.The wiper motor cover or the switch itself.Which is part of the multi-function switch.The cover is cheaper.It is located under the air inlet grill.The cover is on the wiper motor itself.There is a circuit board on here that causes this problem.It is the part you need to replace.Hope this helps.Good luck.

the park circuit in the wiper motor is bad, or the live to it is there should be a constant live to wiper motor, if its good replace wiper motor

The parking function is built into the motor assembly. We normally replace the assembly. If it is assembled with screws you may be able to open it and possibly repair it.

There were some issues with ignition switches in those vehicles.It is easy to change and does not cost but about $30. Remove the column covers, unplug the switch, and depress the 2 white tabs holding it in place. Good Luck

As it turns out, there is a recall On 2002-2003 Chevy Trail Blazer's
Windshield Wiper/washer
NHTSA No. 04V046000
Recall Date: Feb, 4th, 2004
Call your dealer to see if this is still under the recall to be fixed.
RECALL: 2002 - 2003 Chevrolet Trailblazer NHTSA Campaign Number: 04V046000 www.nhtsa.dot.gov
Manufacturer GENERAL MOTORS CORP. Recall Date: FEB 02, 2004 Potential Number Of Units Affected: 581394 Description VISIBILITY:WINDSHIELD WIPER/WASHER Summary CERTAIN SPORT UTILITY VEHICLES HAVE WINDSHIELD WIPER SYSTEMS THAT WILL NOT TURN ON, CEASE OPERATION WHILE IN USE, FAIL TO TURN OFF/ON BY THEMSELVES (MOISTURE SENSITIVE WIPER SYSTEM), OR HAVE CONTINUOUS WINDSHIELD WASHER PUMP OPERATION BECAUSE THE PRESENCE OF WATER WITHIN THE WIPER MODULES CAN EITHER CAUSE A SHORT CIRCUIT OR CAN LEAD TO THE CORROSION OF COMPONENTS WITHIN THE MODULE. Consequence DEPENDING ON THE OCCURRENCE AND WEATHER SITUATION, DRIVER VISIBILITY COULD BE REDUCED, WHICH COULD RESULT IN A CRASH. Remedy DEALERS WILL COVER THE WINDSHIELD WIPER MODULE VENT HOLE WITH A PATCH. ALSO, THE WIPER MOTOR, CIRCUIT BOARD, AND ELECTRICAL CONNECTOR WILL BE INSPECTED TO SIGNS OF WATER INTRUSION AND/OR CORROSION AND BE REPLACED AS REQUIRED. THE RECALL BEGAN JULY 6, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438; OLDSMOBILE AT 1-800-630-6537; OR GMC AT 1-866-996-9463.

then it has to be the switch or the motor.