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1985 Chevy El Camino power window

Tiny
MRKLOVING
  • MEMBER
  • 1985 CHEVROLET EL CAMINO
  • V8
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
How do I bench test a new motor for my window.
each motor went out two weeks apart. First the right pass side then the drivers side. Test light shows power to switch, and new (2 motors do not work) mmm two bad new motors. Maybe. How do I bench test a new motor before install and what other steps might I take to ensure there is not anouther problem
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Monday, September 7th, 2009 AT 9:01 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Are you using discount store parts? You can use a couple of jumper wires off the battery posts for B+ and ground, to run the motor. That just shows it will run without a load on it. You can check actual voltage reading and ground at the door circuits. Check the window mechanism, make sure it isn't binding.
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Monday, September 7th, 2009 AT 9:14 AM

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