It started a couple of weeks ago, the lights will not come ON imediatly ( the front ones)

Now sometime they do somethime they don't.Checked and changed my fuses still same effect.

Tonite I plane to take apart the switch light and clean it, this "scientific" method was good for the window switches.

Any tips on how to troubleshoot the problem ?

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2001 Jetta TDI .205 injectors + Upsolute "Fast car"
1983 MB 300 SD "Ze Panzer" SOLD
1997 MB 230 C