Soldering on a chromed surface

Recently, I tried to solder a ground wire to the shell of SPDT mini toggle switch but I could not get the tin sticked on to the chrome surface. Please if any expert would let me know the proper way to get it done.

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If it is just something that is plated/coated (and not, say, stainless steel), remove the plating* and solder to the brass underneath.

*A "Dremel-type" tool with a grinding wheel is my current preferred method..

-- Sue

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These usually ground to the chassis or you use a tabbed washer under the mounting stud with a wire soldered to that.

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phosphoric acid brushed on prior to soldering is the solution to ur problem. no pun intended.

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