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Window solenoid

Tiny
RJOHNSN
  • MEMBER
  • 1989 FORD BRONCO
  • V8
  • 4WD
  • AUTOMATIC
  • 199,000 MILES
I have a 1989 ford bronco xlt 5.8 and my tailgate window will not work. I traced the line going to the solenoid window motor and was getting 12v. The solenoid motor is attached to a gear which actuates the arms for the window. I took the solenoid out, opened it up via the two top screws and cleaned the copper that the spring loaded contacts touch when engaged. I tested it again and still nothing. I was wondering what kind of tests I could do(multimeter, etc.) And how to solve this step by step. You guys have been a great help in the past so I am sure you can help me.
Thanks
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Tuesday, January 11th, 2011 AT 12:20 AM

7 Replies

Tiny
BUDDYCRAIGG
  • MECHANIC
  • 2,262 POSTS
Can you hear the motor do anything?
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Tuesday, January 11th, 2011 AT 2:56 AM
Tiny
RJOHNSN
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  • 22 POSTS
No there is no sound
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Tuesday, January 11th, 2011 AT 3:00 AM
Tiny
BUDDYCRAIGG
  • MECHANIC
  • 2,262 POSTS
Ok. Just wanted to rule out the most common problem with ford window motors(there are 3 plastic slugs that get torn up in the gear)

I know you checked for 12 volts, but did you check for ground at the wires?
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Tuesday, January 11th, 2011 AT 3:10 AM
Tiny
RJOHNSN
  • MEMBER
  • 22 POSTS
Yes and I removed the solenoid and attached directly to 12 v. And it still did not work
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Tuesday, January 11th, 2011 AT 3:21 AM
Tiny
BUDDYCRAIGG
  • MECHANIC
  • 2,262 POSTS
Ok. Nothing else for you to try to diagnose it.
It's deadk.

You can buy reman motors for less than $40.
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Tuesday, January 11th, 2011 AT 3:24 AM
Tiny
RJOHNSN
  • MEMBER
  • 22 POSTS
Okayyy So I got the solenoid to work and tested it by jumping it on a 12v car battery. Now when I put it back in it does not work. I am getting 12v all the way leading up to the solenoid for + wire. Here is the thing as well. When you put in the key to the tailgate the up and down switch operated via a single pole dual throw. So when I turn the key to the left one of the throws is engaged and I get 12v. When I turn the key the other way (Right) I get no voltage. What the hell?
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Tuesday, January 11th, 2011 AT 9:13 PM
Tiny
BUDDYCRAIGG
  • MECHANIC
  • 2,262 POSTS
Ok, I'm going to ask how you checked for ground again.
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Wednesday, January 12th, 2011 AT 5:03 AM

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