If you make a mistake removing the positive terminal, like hitting the bocy of the vehicle with your wrench, you will get a dead short and major fireworks. But the negative terminal is already ground or the vehicle body, a mistake has no consequence. As a general rule the ground side of a circuit should always be closed last since there is zero voltage potential and should have no spark. On Mon, Aug 4, 2008 at 5:02 PM, Jere Hawn <jghawn@earthlink.net> wrote: > The manuals (all the auto manual that I have seen in my life) say to > disconnect the negative terminal from the batter before performing.. X, Y, > Z,. etc. Why the negative and not the positive one? Does it matter, is > negative more dangerous that the +? > > |
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