Yep! Them are "mercury" switches. Nowadays they don't have mercury in them. Instead they operate on a GRAVITY principle. Unscrew it from the hood and while in your hands SHAKE it a little thisaway and thataway.. It might have a bit of rust in it and need to function a little to make the contacts get back together.
Big JIm <img src="/forums/images/graemlins/pfft.gif" alt="" />


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