2002 Tahoe - Need help with rear wiper problems

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gmtk

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New to the forum, wish I would have found it years ago....been on it for 3 hours already.

I've got issues with my rear wiper motor, sometimes it works, sometimes it doesn't; when it does it's real slow.

So, I got a refurbed motor from Advance and had the same problems. I then ordered another motor online and the same problems.

Anyone have an idea? I have read some older model tahoes had a pulse modulator, but I don't think the 2002 has that. I've check the fuses and they look find; only thing I can think now is that its actually the switch on the dash.

Any help is appreciated.
 

chip

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My first thought would be a wiring problem. Check and see if you're getting a full 12V at the switch.
 

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