Now I was able to get the regulator back into the car and getting all three arms in the right tracks on the glass and in the door was a trying time but it's do-able, I did it with the window in the all the way up position.Īfter everything is bolted back in place in the door it's time to wire this baby. Disconnect the battery quickly to prevent the assy going too far. After I found which direction the motor needed to go in I attached the wires to a battery and while the motor was turning I forced that arm and gear into place so the regulator meshed with the motor. So, finding which direction to get the motor to go will get the two gears to mesh together. How we wire this to work in our cars that have three wires, I will get to soon. If you provide 12 volts positive to one wire and negative to the other, the motor will go one way, reverse this and it goes the other way. After finding this arm you will have to force it to mesh by hand while providing 12 volts to the motor and in the correct direction, these motors do rotate in two directions, for up and down. Īfter getting the right size, I removed the new motor and I clamped the piece of gear on top of the gear on the new motor and using my small wire fed MIG welder motor I welded it together, between the teeth, so there was no lumps on the teeth themselves.Īfter using my cutoff wheel to clean up the leftover welding lumps on the gear, making sure to not touch the teeth themselves, the motor is ready to be installed.Īfter installing the motor and making sure that is was solid and secure it was time to get that large gear in the regulator assy and the motor together, this is where that spring is important.Ĭlamp the regulator assy to a bench and determine which arm on that assy you will have to move to force the large gear in the regulator assy to mesh with the new motor gear.
The size needed was only about 1/4 inch and I grounded down the piece of gear until it was enough to mesh with the gear in the regulator assy. I cut off about one half of the old gear with a cutoff wheel which needs to be welded to the top of the new gear.
But, lucky for us, the old gear and the new are exactly the same number of teeth and diameter. At this point you will see that the gear, which has the exact same number of teeth (9) isn't long enough. I purchased a Dorman part #120742251 from DIYPOWERWINDOWREPAIR.COM for $46.38, these motors only have two wires, which is reverse polarity motors, I will get to that later and laid that next to the regulator and marked where the new screw holes would be, paying attention to the angle that the motor should be at on the assy by using my notes I mentioned earlier on where the old motor was attached.Īfter I marked the holes, I drilled the new screw locations, and attached the new motor. I could see exactly where mine was attached by the dirt on the assy showing the clean mark where the motor was attached. Make a note of the angle that the motor is attached, this will also be important. I removed the motor from the regulator by removing the three small bolts/screws.
1968 THUNDERBIRD POWER WINDOW REGULATOR INSTALL DRIVERS
I mentioned a while back that I did an inexpensive replacement of my power window motor on my 65 Bird front drivers door, here is how I did it.Īfter removing the entire regulator assy from the door, be careful that the spring doesn't fall out, this is important.
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