I beleive it's in the relay box by the fuse box, but I'm not sure. IT's the one with a fuse on top under a plastic cover. I'd check the fuse, too, they corrode.

Wonder if my "funny idle" is also the OVP on my 300D -- I replaced the OVP on the 300TE chasing down an idle problem (the old one was OK), so I have a spare.

New relay should fix both problems.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!