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  #1  
Old 04-01-2009, 03:40 PM
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Exclamation Old style glow plug relay

Can i start my 78 w123 with a new style relay without conversion?
Is there a way to repair or test a old style w123 relay( by the steering colum type)

i got all new glow plugs but the gp light wont come on and its not firing, i only see intermitent yeloww gp light when i hit the ignition and try and start it.
Thanks in advance and any help is great.

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  #2  
Old 04-01-2009, 03:41 PM
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Exclamation

Can i test gplugs at the realy, it has some extra pin holes in it thats why i wander, also can i test the gplugs at the plug by the firewall??
Double thanks, im stranded
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  #3  
Old 04-01-2009, 03:52 PM
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You have loop plugs on that right? Are you sure you installed the heavy resistance wires correctly when the replaced the plugs? You can test continuity through each plug in turn I believe.
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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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  #4  
Old 04-01-2009, 03:54 PM
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yeah. the kit on diesel giant takes the gp relay and uses the large thread pencil glow plugs
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1986 300SDL, 211K,Dealership serviced its whole life
1991 190E 2.6(120k)
1983 300D(300k)
1977 300D(211k)
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  #5  
Old 04-01-2009, 05:54 PM
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How does one connect the heavy resistance wires correctly,i have no idea if these are correct or not, does anyone here have a picture??
thanks guys
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  #6  
Old 04-01-2009, 06:47 PM
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loop style GP diagram question
__________________
1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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  #7  
Old 04-01-2009, 06:50 PM
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http://www.dieselgiant.com/mercedesdieselloopglowplugrepair.htm
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1986 300SDL, 211K,Dealership serviced its whole life
1991 190E 2.6(120k)
1983 300D(300k)
1977 300D(211k)
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  #8  
Old 04-01-2009, 07:04 PM
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Wink

Thanks Oracle, this thread is just what i needed.
Mendo

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