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Charging problem

johnno010684

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lein i get a massive spark or its quite a zap when i reconnect the neg battery terminal
 

johnno010684

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doews anyone know why im getting a buzzing sound that goes up with the revs, it almost sounds like its coming from the head unit.
 

oska

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ok so i borrowed a multimeter, still waiting on ebay one to arrive, took neg off put on amps 20 on multimeter, and reading was -11.62 does that make any sense im no good with multimeters

11.5 amps is a serious drain

what mods are done to your car ?
 

johnno010684

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pioneer head unit and stereo thats about it, but the amps are off when car turns off. havent touched anything under the bonnet as yet
 

Coast_Calais

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something is drawing 140w @ 12v? wow, is this with something turned on???
 

johnno010684

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oh i have a full hid kit, high low beams, foggies. have aftermarket projector headlights too
 

johnno010684

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this is with no keys in the car and nothing turned on!
 

oska

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i'd be looking at your lights as the problem
 

johnno010684

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i took a quick pic, have i got this setup right to test if something is draining the battery???
 

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Coast_Calais

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That's 0.17 amps is normal. That's only 2.04watts @ 12v. Bugger all really.
 
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