My 300SE as of today, the windshield wipers don't work, the washer doesn't work, and the headlight wipers/washers don't work. the motor does not run. also, when I press the switch for rear defog, when I release it the light immediately turns off. I am going to muck around through the fusebox tomorrow and see if something is up there. Any guidance? also, my car has 167k miles, it has had head gasket replaced, cover replaced, timing chain replaced, and valve seals. Any other things I should look to fail or I should repair soon?
Thanks much,
Ben

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currently just 1989 300SE 185k miles