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What will happen if you place a wrench across a 12volt car battery positive and negative terminals without it being connected to a vehicle?
Xjd
It will throw sparks, melt a spot in the wrench at the point of contact and if it should stick, drain the battery and very likely ruin it. You do this just to check if there is juice in the battery and just for a second.
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∙ 14y ago
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