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'97 Chevy Blazer S10 Wiper Motor FREE Repair 30 min.

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Published on Feb 23, 2012

Chevy Blazer S10 Wiper Motor Pulse Circuit Board Repair-
It seems this truck's wipers only works on high speed or intermittently, and especially doesn't work on a rainy day.

This is one that I came across and wanted to share with you. This is a common issue that was actually recalled at one point. This vehicle slipped past the recall dates and I found a simple free fix for the wipers.

The problem: Intermittent wipers. Sometimes don't work, sometimes won't turn off, sometimes only on high. This solves most all wiper issues.

The cause: Cold solder joints
Solution: Resolder.

Directions: There are 3 Torx screws (T20) holding a cover plate on the wiper motor which is located right under the hood, against the firewall near the driver's side wiper. Removing two of the screws (red in photos) and loosening the blue circled screw will allow the board to slide out towards the front of the truck. Don't forget to unplug the board by lifting up the lock and pulling out the plug.

The video shows how to resolder the cracks. On this one, there are two additional cold solder joints not circled on the image. Resolder any cold joints you see on the board. It helps to use a jeweler's lens, or magnifying glass for pointing out flaws before soldering, and checking your work when finished. It took me longer to get the screws out than to resolder the board.

I'm no mechanic, but I have experience with cold solder joints and circuit board repairs.

Keywords: Chevrolet, wiper, relay, pulse, motor, circuit, board, used, start, solder, fix, free, help, common, electrical, issue, recall, GMC

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