Sounds like it to me too. But check out the fuses. If you have not changed out ALL of the fuses to Copper tops, you really need to do that. The aluminum ones corrode over time and then don't make contact. (I still haven't checked my fuse card to know which one to check.)

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1986 Euro 500SEC "RUF" 9:1CR, "Rose"
1985 Euro 500SEC Cabriolet AMG Widebody
1982 Euro 500SEL "Blue"
2001 Texas Heeler (Aussie/Queensland X) "Sulphie",
2012 Queensland Red Heeler "Squeak"
Best dogs I've ever had.