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28 Posts
I have jump started vehicles hundreds of times (mostly from my youth) and I would very often get a spark (or arc) when connecting the ground. That is why I would connect the ground last, and as far away from the battery as possible. If the battery is bad, and leaking fumes, the spark could ignite the fumes causing a battery to explode.
Admittedly, it is very rare for a battery to leak fumes. But it does happen and that is why you should make the last connection away from the battery.
The ML jump-start station takes care of that for you.
Admittedly, it is very rare for a battery to leak fumes. But it does happen and that is why you should make the last connection away from the battery.
The ML jump-start station takes care of that for you.