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  #1  
Old 03-29-2010, 11:49 PM
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Join Date: Apr 2004
Location: CC, TX
Posts: 771
what is this relay or plug? 1987 300TD

this is a mystery plug i just noticed. up by the battery and i can't find any broken or fallen off relay around it. i hope the pics show up. it's a relay harness of some type right next to the battery, 1987 300TDT






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1987 300TDT
1981 VW MKI Caddy 1.6 diesel, waiting on engine swap
1983 D-50 Power Ram 4x4 "Mitsubishi" 2.3 turbo diesel
assorted gas powered crap and motorcycles

RIP: 1984 300TDT, 1982 300TDT, 1984 190D 2.2, 1992 300D 2.5, 1987 300TDT, 1982 Maxima LD28, 1983 Maxima LD28, Isuzu C223 P'ups X3, 1983 Holiday Rambler 6.2 Banks turbo diesel, 1984 Winnebago LeSharo 2.1 TD, 1985 Allegro 6.5

Last edited by odie; 03-30-2010 at 11:05 AM.
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  #2  
Old 03-30-2010, 11:06 AM
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Join Date: Apr 2004
Location: CC, TX
Posts: 771
ok, looks like i figured out posting pics, lol hope the picture shows now...
__________________
1987 300TDT
1981 VW MKI Caddy 1.6 diesel, waiting on engine swap
1983 D-50 Power Ram 4x4 "Mitsubishi" 2.3 turbo diesel
assorted gas powered crap and motorcycles

RIP: 1984 300TDT, 1982 300TDT, 1984 190D 2.2, 1992 300D 2.5, 1987 300TDT, 1982 Maxima LD28, 1983 Maxima LD28, Isuzu C223 P'ups X3, 1983 Holiday Rambler 6.2 Banks turbo diesel, 1984 Winnebago LeSharo 2.1 TD, 1985 Allegro 6.5
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  #3  
Old 03-30-2010, 11:36 AM
1986 300sdl 1985 380se
 
Join Date: Aug 2005
Location: West Monroe LA
Posts: 484
That is an early Mercedes Testing port for your EDS ( electronic diesel system) and your A/C system. Mercedes used to plug a special macine into it and it would read out faults in the EGR, and EDS systems.
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1986 300sdl
1985 380se
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  #4  
Old 03-30-2010, 12:37 PM
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Join Date: Apr 2004
Location: CC, TX
Posts: 771
OK, so it's nothing that is missing that I need to worry about? cool :-)
__________________
1987 300TDT
1981 VW MKI Caddy 1.6 diesel, waiting on engine swap
1983 D-50 Power Ram 4x4 "Mitsubishi" 2.3 turbo diesel
assorted gas powered crap and motorcycles

RIP: 1984 300TDT, 1982 300TDT, 1984 190D 2.2, 1992 300D 2.5, 1987 300TDT, 1982 Maxima LD28, 1983 Maxima LD28, Isuzu C223 P'ups X3, 1983 Holiday Rambler 6.2 Banks turbo diesel, 1984 Winnebago LeSharo 2.1 TD, 1985 Allegro 6.5
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  #5  
Old 03-30-2010, 01:55 PM
1986 300sdl 1985 380se
 
Join Date: Aug 2005
Location: West Monroe LA
Posts: 484
It appears to be missing it's cover though.

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1986 300sdl
1985 380se
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