windshield wiper not working

2006 CHEVROLET COLORADO
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JAMEST35
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Electrical problem
2006 Chevy Colorado Two Wheel Drive Automatic 44500 miles
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hello and thank you in advance
the problem that i am having is the only speed that i have on my wipers is high it started where it would work sometimes on each setting and then just started to where it was just high that would work i did not know if it would be a relay which is cheaper or a multifunction switch if you could help i would greatly appreciate it.
Mar 21, 2008 at 4:15 PM
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STRAILER
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Hello,

Yep let's get this problem fixed it sounds like the switch has gone bad but to be sure let's do some quick tests. First the wipers are controlled by the BCM so lets check all bcm fuses becasue if one is bad it will cause this problem.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and there are three relays that run the system as well.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Here are the windshield wiper wiring diagrams and fuse with relay locations (below)

Please run this test and get back to us.

Cheers, Ken
Nov 10, 2017 at 7:40 PM