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Old 06-14-2011, 04:29 PM
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Stock OEM GM single power window switch

I have 4 single OEM GM power window switches (square chrome) and each one has 3 posts. My problem is that I do not have the wiring plug that fits them. Have been unable to track any down and so I'm wondering if there is any other way I could wire them not using the plug or if anyone knows where I could get these flat plugs.
Soldering a wire to each post would be out of the question as they are encased in a plastic. These are going into my '32 tudor and are probably the nicest switches around. The plug itself is fairly flat and so the wires to these switches have to point down, because of clearance, instead of sticking out the back. Any feedback would be greatly appreciated.

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Old 06-14-2011, 05:29 PM
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The correct terminals are available here:

http://www.repairconnector.com/produ...rs-5-Pack.html



For future reference, if you do a Google search of power window switch terminals, this vendor is the second link that comes up.
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Old 06-14-2011, 06:05 PM
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I would try Nu-Relics. The plugs by themselves are not listed in their catalog, but I'm sure they can help you out if you give them a call.

Good Luck.....
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Old 06-15-2011, 05:50 AM
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Not sure thos connector bodies are available anymore.
Even the new factory replacement harnesses from the aftermarket do not supply them. and a couple even state that you must reuse the bodies.

Connector bodies could be found in a boneyard and the bodies from
I would guess about 1955 all the way to 70 would work.

The 5-wire switch is much more common and you can still get the connector bodies for those. But that means more wire going thru the door, and of course the window motors are different.

You do not mention how old the motors are or what they are out of.
Old motors have a lead for up-----and a lead for down and motor grounds to the body. You can use a 3-wire switch for these.

Newer motors use a reversing polarity----one lead is + and one lead is -.
The 5-wire switch switches the leads back and forth between ground and power to change the direction of the motor. These will be 5-wire switches.

You can use a 3-wire switch on these newer motors, but 4 additional relays are needed for each window.
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Old 06-15-2011, 06:59 AM
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Quote:
Originally Posted by Joe G
I would try Nu-Relics. The plugs by themselves are not listed in their catalog, but I'm sure they can help you out if you give them a call.

Good Luck.....

Great idea. They do list the Harness, but you have to buy the switches too:

http://nu-relics.com/chromeswitches.html
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Old 06-16-2011, 05:36 PM
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Quote:
Originally Posted by Bryan59EC
The 5-wire switch is much more common and you can still get the connector bodies for those. But that means more wire going thru the door, and of course the window motors are different.

You do not mention how old the motors are or what they are out of.
Old motors have a lead for up-----and a lead for down and motor grounds to the body. You can use a 3-wire switch for these.

Newer motors use a reversing polarity----one lead is + and one lead is -.
The 5-wire switch switches the leads back and forth between ground and power to change the direction of the motor. These will be 5-wire switches.

You can use a 3-wire switch on these newer motors, but 4 additional relays are needed for each window.
I'm running '87 Celica power motors for the rear which will use the 3 wire switch. The front units are It's A Snap power units. They included 2, 5 wire switches which I won't use as I want to keep all the switches the same. The diagram that they sent shows 2 wires of this switch to ground, one for power and the other two for the motor. What I don't understand is your mention of 4 additional relays. What is their purpose?

Thanks to all for the input. I now have a choice as to what I should do. Opt for after market OEM switches and wiring harness or run to a wrecker for a harness. At this point I may even entertain getting newer switches and wiring harness from a doner, newer car. Any ideas on this last point?
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Old 06-17-2011, 05:44 AM
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The relays are needed to switch the power and ground
Need power and ground for the up
Need power and ground for the down
and the 3 wire switches will will be used to energize a pair of the relays.

I have this drawn up somewhere ---have to find it

My 59 has inoperable exterior door handles
Need a key to either open a door or roll the window down

The key switch is just a 3-wire switch that will activate the relays in the door for the window. But the relays are also disabled with the car running or key "ON". Had to do that to keep from blowing fuses when the door switch changed polarity on the motor and 12v would go straight to ground.
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