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  1. #1
    Newbie
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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

  2. #2
    Junior Member
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    100% normal. Just the caps charging or discharging

  3. #3
    Member
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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.

  4. #4
    Sister Annie Sianelle's Avatar
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    Jul 2007
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    Hauraki Plains District, New Zealand
    My Bikes
    Retro Hercules adult tricycle, 1953 Hercules ladies roadster, 1947 Raleigh ladies sports, 1950s Wearwell fixed gear 'Club' model, 1980s Malvern Star 'Super Star', 1980s Healing GTX-105 Arabesque, & etc & etc.......
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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.
    OMNIPOTENS aeterne Deus, qui nos secundum imaginem Tuam plasmasti, et omnia bona, vera, pulchra, praesertim in divina persona Unigeniti Filii Tui Domini nostri Iesu Christi, quaerere iussisti, praesta quaesumus ut, per intercessionem Sancti Isidori, Episcopi et Doctoris, in peregrinationibus per interrete factis et manus oculosque ad quae Tibi sunt placita intendamus et omnes quos convenimus cum caritate ac patientia accipiamus. Per Christum Dominum nostrum. Amen.

  5. #5
    Both Coasts...
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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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