One problem related to rear window wiper washer has been reported for the 1998 Plymouth Voyager. The most recently reported issues are listed below.
The heat changes from hot to a/c by itself, the rear defrost don't work all the time, the back wipers go on by then self with different delays,,, , stays on defrost, and the strut tower are very poor shape, never saw strut towers rust like this on any other van or car but this one. . 1998 Plymouth Voyager. . . Also all this stuff wrong with it and the check engine like don't go on. . . Very bad van to have.