I just bought a 1979 300D. It is in excelent condition in and out and I think that it will be a good runner when I get it started. I drove it for a day and a half after I purchased it and then It wouldn't start. The seller sad that he recently had the glow plug replaced and a new battery instaled. So I don't know why I am having this problem. Here it is. I checked the uses and relay and they all are reading 12 + volts. I also did a grounding test on all the glow plugs while the ignition was in the glow plug heatting position, to see if they were all getting current. Only the 1st plug closest to the fire wall sparked the rest did nothing. Could there be a short between that plug and the rest? Is there something else that I should be considering? I really want to get this car on the road? Help!

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Jude JudeJude