Go back to the fuse box. Pull the fuse, clean the contacts and put in a new fuse, even if the one that is there looks OK. There have been a lot of this type of problem related to faulty, corroded fuses. I don't think there is a relay for dash/instrument lights, but who knows!!??!?!

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Jeff Lawrence
1987 300e Sold
1989 300e
2000 Dodge Grand Caravan SE