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Old 09-10-08, 10:39 AM   #1
Harmonysailor
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Sparks when plugging in

Hi all:
I get a spark and pop when I plug the battery pack into the wire harness. Is this normal, Is it harmful? I have a crystallite 5303 (pheonix racer) motor, 48V SLA batteries. The previous owner says it is OK but I don't like it.
Dan
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Old 09-10-08, 10:06 PM   #2
turoczi
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100% normal. Just the caps charging or discharging
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Old 09-12-08, 12:13 AM   #3
Optimaman
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Get a keyed switch. Plug in the batteries and controller first. I got one at ebay for like 6 bucks and it can handle 100 amps.
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Old 09-12-08, 05:51 PM   #4
Sianelle 
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My tricycle is fitted with a keyed switch and I really like it. Sparks while plugging in aren't good for the pulse rate.
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Old 09-16-08, 06:51 AM   #5
BroadwayJoe
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Quote:
Originally Posted by turoczi View Post
100% normal. Just the caps charging or discharging
Yes, and with a key switch it still arcs but you just don't see it. There's little current so it's not damaging anything.
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