04 explorer power window problems
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04 explorer power window problems
I have a 04 explorer I have been trouble shooting and the master switch works all but the passenger window wont work it at all but all the others work fine, its not the switches replaced both, the passenger window switch will roll the window down but not back up. I checked for power there is power to the switch in the passenger side, the ground is good. I can pull the plug off the motor and hook a jumper ground up and the switch will make it go back up. I have been working in body shops for 40 years and now this is the first one to stump me
Any Ideas??????????
Any Ideas??????????
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Joined: May 2014
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From: Southern California
I don't understand what you mean after you unhook the motor and use a jumper. The switch changes polarity to change direction of the motor (up or down). I usually use a test light at the connector in place of the motor that way I can verify I have power and ground with both positions of the switch easily. If the light doesn't light then you can verify which you are losing and work backward from there. I know you probably already know this with 40 years experience but it is a starting point.
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I would suspect a broken wire, more than likely in the driver's door jamb area. If you look at a wiring diagram, the pass side switch has to run across to the master switch and then back across to the pass side window motor.
If you can find a diagram, you may want to take a meter and ring the wires out to make sure they are good. Autozone may be a good place to get one free.
If you can find a diagram, you may want to take a meter and ring the wires out to make sure they are good. Autozone may be a good place to get one free.
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I don't understand what you mean after you unhook the motor and use a jumper. The switch changes polarity to change direction of the motor (up or down). I usually use a test light at the connector in place of the motor that way I can verify I have power and ground with both positions of the switch easily. If the light doesn't light then you can verify which you are losing and work backward from there. I know you probably already know this with 40 years experience but it is a starting point.
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I would suspect a broken wire, more than likely in the driver's door jamb area. If you look at a wiring diagram, the pass side switch has to run across to the master switch and then back across to the pass side window motor.
If you can find a diagram, you may want to take a meter and ring the wires out to make sure they are good. Autozone may be a good place to get one free.
If you can find a diagram, you may want to take a meter and ring the wires out to make sure they are good. Autozone may be a good place to get one free.
Elder User
Joined: May 2014
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From: Southern California
Are you saying that at the motor with the test light when you press the window switch up you get power on one wire and ground on the other and then when you press down you get power and ground but reversed?
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What I was saying the window works going down but when going up I have to hook another ground to the motor to get it to go up but it still does not work off the master at all
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Elder User
Joined: May 2014
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From: Southern California
So it sounds to me like the TN/LB wire from the master switch to the passenger switch has an issue. I would be looking there. I would confirm at the passenger switch that there is no ground on that wire and then I would check it at the master switch. I think either you have a faulty master switch or like Franklin said there is a broken wire and I think it will be that one.
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