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power window failure 1984 500sel
The driver's side front and back windows do not budge. I was told by the PO that it was "probably the switch", so I replaced it and nada. The fuses look good (although they control front right and back left, not the same sides), and both motors wouldn't crap out at the same time, would they? I'm at a loss here. Anyone have a suggestion as to where to look next?
thanks, Jason |
#2
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Answer
Best guess:
#1. Broken wires #2. Bad motors Have a great day.
__________________
ASE Master Mechanic https://whunter.carrd.co/ Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 2003 Volvo V70 https://www.boldegoist.com/ |
#3
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Thanks for the reply. How would you suggest I track down broken wires?
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#4
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Answer
Test for power and ground at the motor.
Inner Door Panel Removal DIY Links http://www.peachparts.com/shopforum/showthread.php?t=150747 |
#5
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is there evidence of the motor trying to move them? the windows could be "glued" in place by some kind of sap or somethning.
if that were the case you might be able to free them by running a butter knife between the seal and the glass. tom w
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual. ![]() ..I also have a 427 Cobra replica with an aluminum chassis. |
#6
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Sorry to hear about your window issues. Are both of the back ones out? I would go ahead and replace the fuses anyway, because I have heard that even though they look good, that they can still be bad. Hopefully this is the culprit with your LF and RR window. I do not think it would be broken wiring, especially since both stopped working, but I suppose it is possible.
Until the other day, my RF and LR windows were not working. I knew it could be the fuse, but I never got around to checking it until last week. Sure enough, it was the fuse. I installed a new one and the windows started working- well, at least the RF window. The LR one rolled down a little, but would not go back up. ![]() ![]() ![]() Good luck. Let us know if you find out what it is.
__________________
2004 Toyota Sequoia Limited 4wd 1991 Lincoln Town Car Executive 1991 Cadillac Sedan DeVille 1988 Mercedes 300SEL 1972 Chevrolet Caprice Kingswood Estate 9-passenger wagon 1973 Pontiac Grand Ville (Prior MB's: 1974 240D, 1985 380SE, 1984 190D, 1993 400SEL) |
#7
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No, there's no evidence of the motor doing anything. The driver's side windows just don't budge. I am assuming the fuses control windows on opposite sides, so I don't think it could be a fuse.
Here's the weird part: I removed the center console and looked at the wires under each window switch. The rear connector to the passenger side switch had 4 wires running out of it, and the driver's side only had 3. Is that even normal? Oh well, it could be worse. At least they're not stuck in the down position. ![]() |
#8
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That is bizarre......
Quote:
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2004 Toyota Sequoia Limited 4wd 1991 Lincoln Town Car Executive 1991 Cadillac Sedan DeVille 1988 Mercedes 300SEL 1972 Chevrolet Caprice Kingswood Estate 9-passenger wagon 1973 Pontiac Grand Ville (Prior MB's: 1974 240D, 1985 380SE, 1984 190D, 1993 400SEL) |
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