there is small circuit board mounted on wiper motor. Circuit board available at Chevy Dealers or IWI motor parts. No need to remove motor but micro stubby screw drivers needed to remove and replace. worked great.
Check your owners manual, it will tell you in that.
Replace the wiper circuit board. It went bad on both of our blazers. It isn't too expensive. Pretty easy to get to too.
turn signal & wiper relay for a 1998 Chevy blazer
it is the same reservoir as the front windshield. In my 93 the front reservoir also supplies the rear.
The 1983-1994 Chevrolet Blazer S-10 (sometimes called "Compact Blazer") takes 16" replacement windshield wiper blades on both sides front. The 1989-1994 models also take a 14" rear wiper blade.
All 1995-2005 Chevrolet Blazers take 20" replacement windshield wiper blades on both sides front. The rear wiper blade is a 14".
The relay is attached to the bracket that holds the wiper motor to the hatch.
The switch for the rear wiper will be on the dash, to the left of the steering wheel.
the fluid for the rear wiper comes from the same reservoir as the front windshield wipers. it is located in the engine compartment by the fuse box. the rear windshield wiper will run out of fluid before the front wiper though, so just make sure the reservoir is full
The module is located on the front side of the wiper motor on the fire wall it comes as a separate unit it can be purchased at local parts store for about $30 dollars three screws hold it in place.
The 2001 chevrolet blazer wiper blade sizes are 20" wiper blades on both sides front and a 13" or 14" 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.
if its not mounted to the firewall just above and at the rear side of the motor then it is on the opposite side of firewal bellow the wiper arms