Found these little parts in my window switches

[Ianwelch001]

Came out after work and saw these. They weren't there this morning. Spring, button and looks like a tiny festoon bulb. No idea where they came from 

[Brummie99]

That's the end bits from a 12v plug. I could use those right now as I have one missing those parts.

Edited July 26, 2019 by Brummie99

[Bullseye07]

Yep. Brummie99 is correct.


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[Darksky]

The “bulb” is an in-line fuse. It’s metal caps may display its amperage rating. The spring keeps tension on and ensures good electrical contact. The “cap” is the tip of the plug, the remaining piece is most likely a piece of the assembly that goes under a threaded keeper. If you have a portable device that plugs into your 12v outlet, I’d look at it’s plug. You may find it’s come apart. There may be a couple more pieces on the floorboard.