If I had to guess, I’d say it was something that acted as a power block, similar to the little plastic tabs that are between the battery and the metal contact on a toy that you buy. It has to be pulled out in order for contact to be initiated? Like I said, only a guess. The blue end is plastic and looks like it had been inserted into something. The sales rep was going to ask service but never got back to me. I’ll follow up with him.
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