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#1
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W126 power window question
All four power windows failed today on my 1983 300SD. Fuses are O.K. Any quick fix ideas?
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__________________________________________ 1983 300 SD 138 000 mi |
#2
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I never say anything is impossible, but this makes no sense. The windows have two separate circuits feeding them in a diagonal arrangement.
Does everything else work on the vehicle? Is the engine running when you do the test? Edited: Go directly to post #14 and perform the test. Last edited by Brian Carlton; 09-06-2005 at 12:26 AM. Reason: new info after further discussion |
#3
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i think there
may be additional fuses other than in the fuse panel. perhaps in the consol somewhere. i have not changed them myself but my indy has.
tom w
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[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. |
#4
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Quote:
I don't know of any fuses for the windows other than the fuse box. Wouldn't make any sense to have two fuses in series. |
#5
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![]() Quote:
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__________________________________________ 1983 300 SD 138 000 mi Last edited by raglan17; 09-05-2005 at 08:43 PM. |
#6
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Maybe I'm totally off base here, but isn't there a relay behind the instrument cluster for the windows? Perhaps this failed?
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81 300SD ![]() |
#7
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Is it possible that there is a break in the elctrical supply BEFORE it gets to the fuse panel?
On some "other" cars, the accesory circuts in the ignition switch have different contacts than the engine "on" contacts--if that is the case, it is possible that wiggling the key switch may make the windows work. |
#8
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Quote:
Hook up a voltmeter and check for 12V at both fuses that operate the power windows. |
#9
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Quote:
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#10
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From what i remember... there is a connector right behind the panel to the right of your gas pedal check if that's connected fully.
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iThink Different Building an all new electrical system in my 1985 500SEL |
#11
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Quote:
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#12
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How old are the fuses?
My windows would stop working at random before I installed new fuses. It was odd.
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I'm not a doctor, but I'll have a look. ![]() '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] |
#13
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This would not be the first time I have been told to replace 'good looking' fuses. In an effort to save money buying fuses locally at an arm and a leg, can anyone recommend an online source to get a large assortment of W123/124/126 friendly fuses at a reasonable price?
Great thread ! Thanks.
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85 300D 3 pedal. Current project. 83 300TD (need rear wiper assembly dead or alive) 84 300SD Daily driver 85 300TD almost 400k miles and driven daily. 98 E300D *sold 86 300SDL *sold and made flawless 10 hour journey to new home. ![]() |
#15
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Thanks for the link. I think the next order I place, I will add the 100 packs to get closer to free shipping.
Does anyone have a link to, or info to share showing the wiring for the power window system on a 1986 300SDL ? I am trying to find what wires in the fuse box feed the window switches in the console. I opened up the fuse box to repair a melted heater-a/c fan fuse and found a mess. Windows were working prior to my repair. I can only assume something has come loose. Knowing what colour wires to look for may speed up the process this weekend. Thanks in advance.
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85 300D 3 pedal. Current project. 83 300TD (need rear wiper assembly dead or alive) 84 300SD Daily driver 85 300TD almost 400k miles and driven daily. 98 E300D *sold 86 300SDL *sold and made flawless 10 hour journey to new home. ![]() |
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