Mine does not always light up but when I try and start it, it seems to work normally. Sometimes the light doesn't come on right away when the key reaches the '2' position but does light up eventually, but only for a second.

Before I just finally tried to start it I would wait a minute and try again, and the light would always come on. I've tested my plugs for resistance and they seem fine...I just replaced them about 5 months ago so I suspect they are indeed OK. The car starts fine.

I've kind of figured it's a loose wire or something. I'm actually glad to read this happens to others, too.

I would say that at least 95 times out of 100 it just comes on normally.

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Ralph

1985 300D Turbo, CA model
248,650 miles and counting...