1993 Chevy Silverado Wipers work intermittently

Tiny
KEMOORE609
  • MEMBER
  • 1993 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
The wipers started working intermittently when going through the cash wash. Now under all circumstances. What wires in the motor connector should I test to by pass the switch to see if it is the motor?
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Sunday, August 29th, 2010 AT 12:05 PM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 107,635 POSTS
Remove the wiring harness from the motor. Turn the wipers on (when not working) and check for power.
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Wednesday, September 1st, 2010 AT 10:36 AM
Tiny
DWB812
  • MECHANIC
  • 108 POSTS
Wasn't there a technical bulletin on these about water getting into the controller and recommending replacement with newer unit that was either sealed or had a gasket? I'll try to look it up and let you know.
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Tuesday, September 7th, 2010 AT 3:58 PM
Tiny
DXIARIOR
  • MEMBER
  • 2 POSTS
Might want to check with a dealer, a few years back mine was acting similiar, turned out there was a factory recall on the motors. Internal wires shorting out and causeing fires.
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Saturday, September 18th, 2010 AT 10:20 AM
Tiny
DWB812
  • MECHANIC
  • 108 POSTS
Yes, there was a technical bulletin recall on these from 1993 to 1995 I believe the years were. Anyway, they were a known problem and you should have gotten (or the person who bought the vehicle new got) a letter telling you (them) to bring it in for a repair. I called around and just about any replacement wiper motor you can get now is compatable with the repair from the technical bulletin. Basically, they were getting water inside and shorting out and, yes, in some cases started fires.
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Sunday, September 19th, 2010 AT 6:36 PM

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