thanks, was: Why is the bridge rectifier output shorted when i

Ah, you've just answered a related question I had with my (bought used a year ago) Sears rechargeable battery mower.
(4 by 12V batteries in series -> 48 volt)
The batteries caught on fire (yes, really) because.. (insert a forehead slap here) the wires connecting the batteries and leading off from them used... friction/slide on tabs.
A lawnmower is pretty much the poster child for vibration.
One wire came just a bit loose, was sparking... hot enough to set that battery corner on fire...
No major damage, ust that first battery and the one next to it, and also... the wiring between them and above.
So I put it back together with new batteries but there was this one "extra" wire I sticking out that I couldn't figure out where to place. Anyway, I turned on the unit and it worked fine. Charges up a-ok, too. (oh, I left the wire in place and capped off the open end).
But now that you've written your note, I realized that, eyup, the blade keeps spinning a lot longer now when I release the handle.
- now have to figure out where that wire should have gone, or maybe just live with it now as is...
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