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Unread 05-01-2008, 07:17 AM   #1
Not Yet Wild
 
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Default voltage reducer & sparks

I am installing a voltage reducer 48/12v .When I connect ground wire it makes a big spark . Is this normal or a bad reducer? This is on the input side, no load on output.
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Unread 05-01-2008, 06:54 PM   #2
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Default Re: voltage reducer & sparks

little spark is normal, large weld like spark is usually a problem...
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Unread 05-02-2008, 07:11 AM   #3
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Default Re: voltage reducer & sparks

this is a hot spark with a pop. I suspect a problem. Thanks for info ole wizard of wattage.
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Unread 05-02-2008, 10:45 AM   #4
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Default Re: voltage reducer & sparks

Don't connect the ground to frame. Always ground to the battery negative. (-)
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Unread 05-02-2008, 06:44 PM   #5
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Default Re: voltage reducer & sparks

i agree if its thats big a spark i think there is a problem and as stated all grounds to a battery neg. post...................................
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Unread 04-01-2012, 11:00 PM   #6
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Default Re: voltage reducer & sparks

Hooked up the Fore-Par 30A unit. Big pop when connecting to bat terminal. Two or three times. Scarry. Then it stopped and works fine, so far. 12.4V out. Thinking maybe its got some big caps and it sees a lot of inrush.
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Unread 04-02-2012, 07:36 AM   #7
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Default Re: voltage reducer & sparks

. . most voltage reducers will spark when first connected to battery . . the one I bought even had a warning included so you were aware of it . . I think it has something to do with the initializing of the reducer, ie, it starts working the second it gets power . . .
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