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#1
11-30-2005, 09:29 PM
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Electrical enigma
 My 85 300tdt now has no operating windows. First the drivers side went out and about a month after the passanger side and rear window behind the driver. To make matters worse my line to the radio and interior lights just went out. The fuses are all functioning and I have power to them. Anyone had anything like this happen to them? Thanks
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85 300TDT 456,000 orig.  miles
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#2
11-30-2005, 10:19 PM
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I had what were good looking fuses also. None severed. But what did occur was a ring of burning/corrosion on the bullet end of the fuse that did allow interuption of the electrical current. Look at the ends. You might try and polish them with some fine sandpaper or simply replace. Might have to polish some on the fuse holder also.
Regards Run-em
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#3
11-30-2005, 10:28 PM
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If the fuses are involved, the windows would be diagonally affected, ex: drivers front and passenger rear window. Windows across from each other sounds like a wiring or switch gremlin. Did you spill something on the switches?
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DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012 
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#5
12-01-2005, 09:08 AM
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I'm guessing fuses too. Get some emery cloth and clean/replace fuses and clean the fuse holders. A dab of NOALOX on the ends wouldn't hurt.
Danny
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1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination
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#6
12-01-2005, 10:00 AM
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Quote:
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Proud owner of .... 1971 280SE W108 1979 300SD W116 1983 300D W123 1975 Ironhead Sportster chopper 1987 GMC 3/4 ton 4X4 Diesel 1989 Honda Civic (Heavily modified) --------------------- Section 609 MVAC Certified --------------------- "He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche
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#7
12-01-2005, 03:31 PM
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Correction
Had my brother in law check the fuses. He checked the wrong ones. Both window A & B plus the to top row are out. The bottom row is the only place I have power. I attempted to see what was going on from under the front dash. Just a mess of wires. Does anyone have any experience with the fuse box? Thanks.
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85 300TDT 456,000 orig. miles
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#8
12-01-2005, 04:10 PM
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I bet your fuse box has a label in it identifying which fuses protect which devices. Don't rule out the "ice cube" relays - sometimes they make but no longer reliably transmit current.
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'82 300SD - 361K mi - "Blue" "Good judgement comes from experience. Experience comes from bad judgement." listen, look, .........and duck.
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#10
12-01-2005, 07:13 PM
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OK, the fact that the "A" and "B" fuses are not getting power tells us something. There is a relay upstream of these fuses. According to my wiring diagram, fuse 12 provides power to that relay (and other things). Try replacing fuse 12 and see what happens.
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#12
12-01-2005, 08:01 PM
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Craig, your the BEST!!!!! That was it. I cleaned the terminals and the fuse. I have been without a working window since Sept. My sunroof was my only form of ventilation. My wife refused to ride in the car. (maybe that's a good thing). Thanks again. PS If you ever come to NYC, I owe you a few drinks.
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85 300TDT 456,000 orig. miles
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#13
12-01-2005, 09:22 PM
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Glad it worked out.
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