So when I drop it off at my local Indy to have the rebuilt cylindar head put on( another longer story) should I tell them to just replace this relay? When I complained to them before about the surging, they told me (twice) that it didn't do it for them so they could not diagnose. It is intermitant, after all! Also- got any ideas on the intermitant failure to upshift to 4th?

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Paul Levitt
1990 560SEL
1986 300 SDL
1988 300E
1992 400E (sold after 17yo crashed!)