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#1
11-14-2006, 02:40 PM
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Ignition Switch Plug Wiring help needed
 HELP!!!!!!!! I have an 81 300SD that someone has cut the wiring off the ignition switch plug. I recently picked up another plug, but it doesn't have any of the ends in it to try to match up the wires. I was wondering if anyone knows how the wiring hooks back up to the plug. There is a squared part on the plug with the number 1 cast in the plastic. Directly below the 1 is a 30 by the hole there. Going clockwise the numbers are 50, 15R, P30, 15, 30, and 15X. I have 2 RED wires, 1 PUR, 1 GRN/ WHT, 1 BLK/RED, 1 RED/YEL, 1 RED/GRN that go in the plug. Does anyone know what order they go in? Any help would be greatly appreciated. Thanks for any help you can give me.
Last edited by 81_300SD; 11-16-2006 at 04:16 PM. Reason: not stated properly for the help I needed 
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#2
11-14-2006, 03:57 PM
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I don't have this off the top of my head and someone here will likely have a manual to address this. But, if someone cut the wiring off the plug, are there remnants inside the plug you can match up to? Jim
__________________
Own: 1986 Euro 190E 2.3-16 (291,000 miles), 1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000, 1988 300E 5-speed 252,000 miles, 1983 240D 4-speed, purchased w/136,000, now with 222,000 miles. 2009 ML320CDI Bluetec, 89,000 miles Owned: 1971 220D (250,000 miles plus, sold to father-in-law), 1975 240D (245,000 miles - died of body rot), 1991 350SD (176,560 miles, weakest Benz I have owned), 1999 C230 Sport (45,400 miles), 1982 240D (321,000 miles, put to sleep)
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#3
11-16-2006, 04:13 PM
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Thanks for your response Jim but the end of the plug was cut off. All the connectors were removed from the plug so I have nothing to go by at all. I recently got the plastic piece but it also has no connectors in it. So if there is anyway you can help me out it would be appreciated. Thanks, Mike
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#4
11-16-2006, 09:12 PM
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If you have better than a dial-up connection try this for on-line service manuals and wiring diagrams-http://mb.braingears.com page 5 is what you are looking for.
(I have done it on dial-up but expect to wait a lo-o-ong time for all the pages to download in pdf format.) If you can't get it to work, let me know and we'll make a wiring list. 
__________________
Sam 84 300SD 350K+ miles ( Blue Belle )
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#5
11-16-2006, 11:58 PM
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I'm reading from the '83 manual.
The terminal numbers are practically illegible, so, take the following with the understanding that it might not be perfect: There are three wires that are connected to the "run" contact. They are: red/black stripe........connected to socket 15 red/green stripe........connected to socket 15R red/yellow stripe.......connected to 15X There are two supply wires: Both are 4mm red wires and each goes to socket 30. There are two of them. The start contacts go to the violet/white stripe. I cannot read the socket number. The accessory contacts go to green/white stripe. Again, I cannot read the socket number. Please check with a continuity tester to be sure the colored wires match the contacts for each function. The socket numbers may be iffy but the functions and wire colors should match.
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#6
02-05-2010, 02:32 PM
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The Violet/White goes to #50. It is the starter wire
__________________
1982 300SD 300k+ miles
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#7
02-05-2010, 02:34 PM
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Quote:
The Violet/White goes to 50 (starter) The Green/White goes to 30P
__________________
1982 300SD 300k+ miles Last edited by Sapperbmet; 02-05-2010 at 02:47 PM. Reason: Add qualiying sentance.
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