It could be the rear window wiper fluid supply line broken. The wiper fluid supply line run directly over the back dome light. My 2002 Montana had the same problem.
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On a 2007 Ford Explorer : The rear wiper control is on the inner part of the turn signal lever , closer to the steering wheel column . It has ( 2 ) intermittent wiper settings and the OFF position
In my Ford Expedition, the rear wiper function is on the regular windshield wiper wand about half way down, toward the steering wheel. If you twist the little black knob(??) down, it will activate the rear wiper fluid feature, twist it up and it will give you a few intermittent options.
The 2002 Toyota Highlander has a "Rock Loc 2" rear wiper arm which is incredibly simple to change once you find the difficult to find rear wiper blade. See related links below for information on the rear wiper blade and for installation videos.
The 2002 Pontiac Montana takes 24" wiper blades on both sides front and a 16" rear wiper. See sources and related links below for more information. Since there are over 22 different wiper arm attachments, do not buy wipers just by length only - be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.
how do i turn off rear wiper for my Montana van
Since there are no aftermarket rear wiper blades available for the 2002 Honda Civic, you will have to go to the dealer for that rear wiper blade. See sources and related links below for info on a good place to get front wiper blades.
The 2002 Pontiac Montana has hook-end wiper arms on both front and rear. See the Sources and Related Links section below for wiper blade installation videos and correct attachment/length wiper blade sizes. Also, if you purchase the replacement blades first and there will be additional instructions/illustrations on the replacement packages. Locate and press the tab or button where the wiper blade is inserted into the hook of the wiper arm and pull wiper blade out of hook. You may have to rotate and flex the blade to make enough clearance for the hook to pass through. Very simple.
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If the rear window is not fully closed the rear wiper will not operate.
The 2002 Jeep Liberty rear wiper blade is unique to Jeep. You'll probably have to get the part at the dealer and may be able to ask for the install procedure.