I picked up a 77' 207D to remodel the camper and live in. the rig needed someone to do a real haul out on it. I've torn the interior of the camper out and begun to rebuild, now I'm working on the engine trying to find out why it wont start for me again. What I know is that the glow plugs aren't getting juice, or enough power, I bought a new battery with plenty of cranking amps. I believe its the ground or relay, (of which I haven't been able to find). After cleaning up the ground it still won't burn. If anyone has some knowledge on this model of mercedes I'd very much so appreciate any advice and info you have. Thanks

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That truck is so cool. that is all, sorry I can't help with the problem.

What Engine does it Have?

If it is like the Diesel Car Engines of that time if one Glow Plug is bad none of them will work.

Trace Wire and find the Fuse and see if that is OK.

What type of tests have you done on the Glow Plug System?

The Zig-Zag resistance Wires cannot touch the Block or anything else besides the Terminals they are supposed to go to. The Wires and Resistance Wires have to be on the GPs in the correct order with the Insulators properly installed.



DIY Repair Links
DIY Links by Parts Category - PeachParts Mercedes ShopForum

PeachPartsWiki: Do It Yourself Articles - Mercedes Vehicles

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84 300D, 82 Volvo 244Gl Diesel

It has an OM 616 with loop plugs if it is OE. Are the squiggly wires between the plugs getting red hot after about 30 seconds of the key being in the glow position? If not, the plugs aren't working. They are series plugs. One bad plug cause them all not to work. That's the most likely problem. Check for voltage going to the first plug. There should be a heavy fuse in the system also. Follow the wire from the first plug (probably the one farthest back on the engine) to a small plastic box with a metal strip fuse inside. Is that fuse intact?

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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