A Hershey switch :2: ..........................dude that don't sound right :smiley-bag-on-head:
Just for grins, I Googled "Hershey switch". All I got was things in PA and candy. :16: I do remember that we had male and female Hershey bars. The Male bars had nuts... :thumbs-up-ani:
:smiley-bag-on-head: All of our fire engines have a Hershey switch for batteries. Hershey is a Company the unit I will be using is a simple toggle switch that transfers 1 battery, 2 battery, both , or none switch.
Its a rotatory switch that is commonly used on fire engines. QQB all the neg wires go in to the same neg post there will be a single post labeled 1 another labeled 2 you only connect the batter cables to the 3 post. On the one I have taken apart the Positive 1&2 have a red making and a +sing the neg has - and is black.