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Windshiled washer pump

Tiny
SHAY1111
  • MEMBER
  • 1995 GMC SUBURBAN
On our 1995 GMC suburban we checked the windshield washer fluid level, the lines for clogs, checked the fuses and replaced the pump. When we turn the switch on the wipers turn on, however the pump is still not spraying. What else could be wrong?
Sunday, November 28th, 2010 AT 7:18 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
In the diagram, the red wire at the washer motor should be hot when washer is activated. The black wire is ground.
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Sunday, November 28th, 2010 AT 7:41 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Check for power arriving at the pump. It may be a bad pump.
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Sunday, November 28th, 2010 AT 7:41 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
A lot of times the littel sprayers get clogged. Disconnect the hose at the sprayer and hit the washer and see if fluid comes out. If it does get a fine wire like off a shipping tag and run it down inside the sprayer. Then try blowing air through it. Then hook up hoses and try it.
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Sunday, November 28th, 2010 AT 7:44 PM

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