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  #1  
Old 02-09-2007, 01:26 PM
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What's this?

Can anyone tell me what is what I can only describe as a large electrical plug of some sort in the engine bay in front of the winshield in my 1986 420sel?

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  #2  
Old 02-09-2007, 01:32 PM
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Monovalve?

We are going to need some pics.
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  #3  
Old 02-09-2007, 02:43 PM
John Holmes III
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It's the diagnostic port, though you have to use a dedicated tool. Sort of like a OBD II plug on a modern car. Handy for checking duty cycle when adjusting the fuel mixture.
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Old 02-09-2007, 04:13 PM
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if it is in front of the windshield he is likely talking about the pin connector for retreiving system codes, is it near the battery and has a little red led?
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1986 190E 2.3
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  #5  
Old 02-09-2007, 04:39 PM
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What's this

86 420SEL didn't have diagnostic port on the firewall that started in 88.
A photo or more accurate info would help (pass. side? center? drivers side? How many pins?
Who knows? maybe the Klima relay is missing and he's seeing an empty socket.
Mike
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  #6  
Old 02-09-2007, 05:21 PM
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I'll get a pic
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  #7  
Old 02-09-2007, 05:26 PM
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[IMG]file:///C:/WINDOWS/Temporary%20Internet%20Files/Content.IE5/CTUZGXYJ/0209071617.jpg[/IMG]
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  #8  
Old 02-09-2007, 05:27 PM
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Well I guess I dont have a picture then
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  #9  
Old 02-14-2007, 11:42 PM
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he sent me a pic, it was actually referring to the abs computer plug

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1967 250 S
1967 280SE
1968 250S
1971 280 SE
1973 220
1974 280 S
1975 450 SEL
1976 220 D
1979 300SD
1983 300 SD
1985 230 TE euro
1986 280SL
1986 500 SEL euro
1986 190E 2.3
1990 300 SE
2003 C230 K
2004 C230 K
1987 560SEL
1987 300SDL now in canada
2005 C230
1998 C43 AMG Sold to DON
1993 190E 2.6
300TD Former daily driver Totaled
current:
R320 CDI
Ram 2500 Cummins
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