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Dickieshoes

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  • Lexus Model
    RX300

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  1. Hello Doug, I have the same problem. I spent a lot of time trying to get at the motor and it ended up I didn't have to. I was able to "hot wire" and cross the window wires from the back of the passenger front switch connector and when I activated the switch the window went back up. Basically the two motor wires come up to the connector on the back of the switch, so if you put 12 volts on the motor wires directly the motor will turn. Reverse the polarity of the wires and the motor goes in the opposite direction. I didn't have to take the door apart at all - but I figured all this out after I did take it apart. I used wires with small alligator clips and I was able to get on the pins of the connectors and when I activated the switch the window went up. This was a temporary solution, but the window is up. The passenger switch on my car would only output voltage to make the window go down. When I pull up on the switch I get zero voltage, so the window would not go back up. Because the driver front window was also starting to give me a problem (didn't want to come up), I thought that the driver switch module was the main problem. I bought a new driver switch module on Ebay but that didn't solve the passenger window problem, so now I just bought the passenger switch module on Ebay. The driver side window seems fine now. I now have the passenger switch disconnected so the window stays up until I fix it. Both front windows were flaky for a while, but the passenger window went down one day and would not come back up. The passenger switch was continuously outputting a voltage to the motor - basically telling it to go down. The motor was hot and it should never get hot. That's when I realized that the switch was constantly on and I pulled the connector - and from that I realized that if I reversed the wires the window would go up. Again after it went up I pulled the connector and that's where I am at now. What seems to complicate this mess is the pinch protection circuit. There is a reset procedure in the manual (I don't have a manual so I found crude instructions for the procedure on-line) but after I did the procedure the widow worked great for about 4 up and down cycles, and then the window went down on it's own and stayed there. I assumed it's the pinch circuit that is confused. That's when I took the door apart. I don't know enough about the pinch protection circuit - so I figured I would replace the two front modules and hope that fixes it. The driver switch had a broken spring but that was just a mechanical thing. I get the passenger module in a few days and I hope it works! Hope this helps some. Look at the manual at the reset procedure - maybe it will work for you, but I believe the window has to work (it needs to go up) for you to do the procedure.... It's all very frustrating. I have 166K miles on the car, and I usually drive with the windows open (I'm in Florida) so I use the switches all the time. I figured they are shot. Rich
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