At the end of my rope with electrical - Mustang Evolution

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Old 11-24-2013, 12:16 PM   #1
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At the end of my rope with electrical

So my car, a 1999 Ford Mustang Convertible V6, is giving me a massive headache. Until recently, the driver side power window switch would only work if the door was opened to a 45 degree angle; the lock/unlock button would work at any configuration. I took it to a shop because I was expecting to sell it right after work, but the guy turned out to be a ****** so I said no. The shop told me the master power switch was the culprit, so I took it upon myself to get and install the switch.

After the switch was installed, the windows STILL will not work, but now the passenger side window has the issue too, in that the switch on that side will not work in any angle. I've checked the fuses once before, they looked perfectly fine, and I can hear clicking below the dashboard.

I don't think it's the motor, as I've never had issues with the window motors and at certain angles, until recently, the windows did in fact roll up and down. What the hell could the problem be?
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Old 11-24-2013, 12:22 PM   #2
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Spray some WD40 on the window motors and that will ensure you window motors are the problem. Give it a few minutes after you spray for the motor to work. You can also use a voltage tester at the motor to c if power is going to the motor.
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Old 11-24-2013, 12:26 PM   #3
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Would the motor really be the issue if it worked after slightly opening the door? Like I said, the motors never gave me problems, as long as the door was slightly ajar.
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Old 11-24-2013, 12:30 PM   #4
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There are only 2 wires to the motor. disconnect the wiring harness put a test light or voltage meter to the wire and press the switch up and down. Don't forget to ground.
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Old 11-24-2013, 12:41 PM   #5
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The motor was tested in the shop and looked fine. I'm about 100% it's not the motor, because the other side has the issue now randomly after showing zero issues.
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Old 11-24-2013, 01:54 PM   #6
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Quote:
Originally Posted by GolgothaAvante View Post
The motor was tested in the shop and looked fine. I'm about 100% it's not the motor, because the other side has the issue now randomly after showing zero issues.
YOU PROBALLY CHANGED OUT THE WRONG SWITCH
What I am explaining is a voltage test to see where the voltage issue is. If you do not get what I am saying you are in trouble and should pay a shop.
Blue/black wire on drivers side switch panel is direct power when the ignition is on. Pink is passenger switch direct power. If you do not have power here you need to wire power here.


When you push the window switch up you should have power to these wires.
Drivers side:
white /black
white/ yellow
Pas. side:
yellow/ red stripe
When you push the window switch down you should have power to these wires.
Drivers side:
brown/ blue
Pas. side:
red/yellow stripe
BAM 500 POST!
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Old 11-24-2013, 01:58 PM   #7
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I know what you're saying, but I'm saying I've checked that and there's no issues. There is power going to the switch, and the relay is clicking for each button without action except for the locking mechanism, which locks and unlocks.
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Old 11-24-2013, 02:07 PM   #8
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green locks
purple unlocks
That is why you need to make sure there is power leaving the switch and not just a noise. You will hear a click usually if the switch is bad. Trust me, been there done that
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Old 11-24-2013, 02:17 PM   #9
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I've done that, and I've replaced the Master Power Switch.
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