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Join Date: Jul 2006
Posts: 574
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Hot wiring window switches?
It's sunny out, took my sunroof off, started rolling down my windows -- CRAP! I forgot that I blew up some switches, I think?
I distinctly remembering finding out that one of these switches was dead, so I switched them a couple days ago. Needless to say I can't get the passenger window down. I noticed a wiring diagram on the side of the switch, but I was always surfing porsche pics throughout my electronics class :surr: Which pins do I need to jumper to get the window to roll down? Roll up? Thanks! -poz
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My cars for sale, due to move 1986 944 turbo - For sale. 1987 944 N/A - For sale. |
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03-07-2007, 06:44 AM
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Oh boy! The window switch is a reversing switch. It reverses the polarity to the window regulator motor to change it's directions.
Soooo.... you need to have two wires; one from 12 volts and one from a ground (the door restraining strap works). Pull the switch out of the door and on the back of the plug pins 1 and 2 go to the window motor. Should be black and a black/white wire. I don't know if the pins are numbered. You may find one of the other pins hot with the key on. If so use it as your source of 12 volts.
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Hugh - So Cal 83 944 Driver Person NOT a 'real' Porsche -- Its Better!!!! When was the last time you changed your timing and balance belts and/or cam chain and tensioner? New Users please add your car's year and model to your signature line! Never break more than you fix! |
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03-07-2007, 10:37 AM
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AHHHH -- This is why I couldn't figure it out.
So if I was to test the harness, I could just take the 12v to pin 1 and ground to pin 2, and that would roll the window up (or down) 12v to pin 2 and ground to pin 1 would do the reverse? Interesting... Holy ****, how do you know all this stuff? I bow  -Alex
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My cars for sale, due to move 1986 944 turbo - For sale. 1987 944 N/A - For sale. |
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03-07-2007, 11:34 AM
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Join Date: Dec 2006
Location: Boyertown, PA
Posts: 261
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He is GOD.
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1987 944 N/A Gray on Burgandy, Manual. Koni adjustables, lowerd. 16" two-piece Five spoke French rims. BROKEN. 2004 Pontiac GTO. 40th Anniversary Pulse Red 6-Speed with Pacesetter Long Tube Headers, catless mids, drag springs, DBA Slotted Rotors with C5 Hawk Pads. Tuned By Staging Lane Performance. |
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03-07-2007, 12:49 PM
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I've been a slave to my 83 since 1985. Basically beat up many more times than you have. One learns. Also being an automation engineer for over thirty years helps.
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Hugh - So Cal 83 944 Driver Person NOT a 'real' Porsche -- Its Better!!!! When was the last time you changed your timing and balance belts and/or cam chain and tensioner? New Users please add your car's year and model to your signature line! Never break more than you fix! |
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03-07-2007, 01:05 PM
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1983 Porsche 944 2.5 liter
