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Questions and Answers

Chevy Suburban Wiper Problems

Q. I have a 1989 Chevy Suburban ½-ton 4x4. I turned the wipers on so that I could turn off the ignition with the wipers up. I put cardboard under the blades so that I wouldn't have to scrape the windshield. When I started the vehicle, the wiper arms jammed against the cardboard.

Chevy Suburban Wiper Problems

After probably 15 to 20 seconds, I removed the cardboard and the wipers started, but they won't turn off. They are continuously on at low speed or high speed. Intermittent won't work and neither will "off", I have to pull the fuse. Do I need to replace the wiper motor or is there a delay module somewhere that I fried? Or, is it the intermittent switch on the turn signal?

A. My guess would be the delay circuit board. I've seen a lot of problems with these.

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