Question about 2001 GMC Sonoma Extended Cab
Could be the FUSE, the wiper motor, or the switch itself.
Check the fuse first. There should be a fuse box under the driver's side dash somewhere, and the inside panel will most likely have a chart showing which fuse controls which.
If the fuse is fine, checking the wiper motor with a voltmeter will determine if any power is getting to the motor. If there IS power going there when the switch is ON, it's not the switch at fault, it's the motor.
Hoping for your sake it's the fuse.
Posted on Jun 25, 2014
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