Been working on mine. Use the correct kind of paper clip. Do not use a small one. The diameter of the metal is too small to pull down the dog completely. Don't use a paper clip with a plastic coating. Too big to slip into the hole in the dog. Use a large silver metal paper clip. If you shine a flashlight into the ignition cylinder and you get your head in the right position, you can see the hole the paper clip needs to slide into. Push it completely in. The pushing motion pushes against a ramped hole which pulls the dog down. Good luck

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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