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What coler is ground wire for my power windows on the master door window switch

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Black, get a test light. and put a master switch in it.

Posted on Jan 02, 2011


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Can you help with power windows?

What type of vehicle? Does the drivers window work?

May 01, 2015 | Cars & Trucks

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Power windiws will not work

So no windows work? Is the window safety lock off? . What year and model? Some power windows have fuses, some have relays, and some (most) have circuit breakers which automatically reset.
One thing all have in common is that the driver's door switch is called the master switch. From the (?circuit breaker?), and with the key on, one hot wire will come into the master switch connector- it is only hot in on or run. And the ground for the power windows starts at this switch and goes back into the cabin to a nearby ground. If no windows work and no liquid was just recently spilled on the master switch, you need to check for broken wires in the door opening. The multi-wire harness in the door opening may be covered by a rubber boot-peel it back or take it off and check the wiring. The ground wire is usually black. A wiring diagram would indicate the color of the power wire. If you have a voltmeter or test light, and can get at the connector for the master switch, turn the key to on and probe all terminals in the connector. There should be one hot wire to the connector for the windows. If you have it, and it is not for the locks or some other function, then possibly the master switch is bad or the ground wire is broke or not connected.
On some vehicles, the master switch can be removed from the door panel to get at the connector. On others, the door panel has to be removed first to get at the switch and connector.

Aug 26, 2014 | Cars & Trucks

1 Answer

2000Mustang,under dash fuse good,for pwrpwr.window,door loc ok,where is under hood slot for relay fuse located?I've no manual or other diagrams..Thanx!

Not a relay or a fuse for the power windows. It's a 20 amp circuit breaker in the Central Junction Box, under the hood. A circuit breaker resets itself if an overload trips it, so that is not likely to be a problem. The windows and the door locks are on separate circuits.

So, do no windows work at all? In that case, it is most often either the master switch on driver's door is at fault, or the power or ground wire to the master switch is broken in the driver's door opening. In the bundle of wires, the black wire is the power windows ground, and it is the ground wire for all the windows, so check it closely. The power wire to the master switch is a light blue with black stripe wire.

See if you can pull out the master switch and its electrical connector, without having to take off the inner door panel. Or if you have to, take off the inner panel, then pull off the connector to the master switch . Now all you need is a voltmeter or test light to check for the power and ground at the connector, with the key in on position. If both are good, the master switch may be defective.

Jul 06, 2014 | Cars & Trucks

1 Answer

Fusebox diagraghm

Usually, power windows use a circuit breaker, rather than a fuse, in the fuse panel under the driver's dash.
If any windows work or even make noise, it's not a fuse or circuit breaker problem. If no windows work, pull out the driver's door master switch and check for one hot wire to it with key on. If there is that, the ground for the windows originates at the master switch and runs back into the cabin to a nearby ground. One could check both power and ground with a test light or voltmeter. Check for broken wires in the group of wires entering the door. If either the power wire or the ground wire has broken there, the windows will not work. If both power and ground are good, possibly a bad master switch.

Jan 04, 2014 | Ford Taurus Cars & Trucks

1 Answer

Power window switch wiring schematic

Sorry, don't have one, but lookatit this way: The driver's door master switch has a hot wire to it, probably from a circuit breaker in the fuse panel, and a ground wire from master switch back into cabin to a nearby ground. Then the master switch has 2 wires to each window motor. Depending on the switch's up or down position, each wire will serve as a power signal to the motor or a ground signal back to the master switch. See? The other door switches each have a power feed wire to switch, so that switch can operate its window motor. They all work the same: Switch up or down will change the current flow to motor. The ground current flow always goes back into the master switch and then to that nearby ground.
Have I muddied it up enough for you? Well, sorry, Jim, guess you have to look at a diagram, then.

Aug 01, 2013 | Mercedes-Benz Cars & Trucks

1 Answer

Power window relay location

Why does everyone think that power windows have relays? Well, maybe Volvos do, but most cars use a circuit breaker at the fuse panel. You need top pull off the driver's door master switch and check if there is one hot wire there to switch with the key on. If you don't, check for broken wires in the door opening. Check if the circuit breaker's terminal has power to it.
When all windows fail, it is usually a wiring problem, not the switches or the motors, but all of them may need checked. If you have a hot wire to the master switch, you will need to check the power window's ground-it originates at the master switch and goes back into the cabin, then to a nearby ground.
This is the set up for most cars, I suspect your is the same. If hot wire to master and good ground, it could be a failed master switch, but check carefully for broken wires in the door opening.

May 06, 2013 | 1994 Volvo 960

1 Answer

Does a 1987 gmcjimmy s-15 have a power window relay ot any relays at all cuz my power windows stoped working it runs a 30 amp circut breaker can the circut breaker go bad?

Anything can go bad, but to my knowledge circuit breakers seldom do. If you have a test light, pull the circuit breaker and probe both terminals for a power signal, with the key on. One terminal should show voltage with key on. If not, check the power distribution box for a blown maxi-fuse, or the wiring from that box to your fuse panel.
BTW, no, no relays are in the window circuit. So if the circuit breaker has power to it, put it back in and check for power on the driver's door master switch-one wire on the master should have voltage with key on. If no hot wire to the master switch, check inside the door openings for a broken wire. If you do have one hot wire there. check the power windows ground-the ground wire for the power windows originates at the master switch and goes back into the cabin to a nearby ground. Put one lead of the test light on the hot wire (key on), and probe the ground terminal at the master switch-if your ground is good, the test light will light up. If the ground is lost, no light. Check for a broken ground wire in the door opening, and/or find the ground and see if it is bad. If the master switch has a hot wire and a good ground wire, replace the master switch.

Apr 25, 2013 | 1987 GMC Jimmy

1 Answer

Power windows relay

There is none. Power windows come from a circuit breaker in the fuse panel. If no windows work, look for a hot wire to the driver's window master switch, with key on. It may be a violet wire, and the ground for the windows originates at the master switch and runs back into the cabin to a nearby ground. Check for broken wires in the door opening. Likely either the power wire or the ground may be broken, and need splicing back together. If the wires are good and you have power to the switch and the ground is good, it is possible that the master switch may be bad.

Feb 02, 2013 | 1995 Jeep Grand Cherokee

2 Answers

2003 Dodge Stratus power window

check power window lock out switch on the driver master switch if lock out switch on no power windows wont work.

Sep 27, 2012 | 2003 Dodge Stratus

1 Answer

Passenger Window Problem

On the passenger door, look for a broken wire in the door opening.

So you found power on one of the two wires. That was with holding the switch in one position, either up or down, right? Try it again, now hold the switch in the opposite position as before, now the other wire that had no power the first time should now have power. If not, probably a break in the wiring, look in the door jamb. If not a broken wire in the passenger door, it could be in the driver's door.

You see, the power is reversible to the window motors. When power goes down one wire to the motor, the other wire serves as a ground. The ground path goes back to the driver's master switch, where the ground for all the windows originate. Ground wire from master switch carries power to ground somewhere inside the cabin. Since other windows work, your ground is good. but the pass. window is, or seems to be missing a wire. Check by looking for power on both wires, but the window switch has to be opposite from the first time for the second wire to have power. Only if both show power is the wiring good, but they wont both show power at the same time-the switch has to be in right position to show power.
I hope this is clear, post back if you don't understand.

Oh yes, use the ohmmeter function of your multi-meter to check the wires' integrity. Just don't have any power on any of the wires you are checking, but check between the pass. door and the driver's master. Check both wires that go to the passenger window. That should tell you if you have a break in the wiring.

Mar 23, 2017 | 1997 Nissan Pathfinder

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