Originally Posted by mulepic

And I bet you're the perfect one that never needs a marshal either.

The fact is polarity is non-universal among the battery producers. Depending on battery position the connection isn't always in the same location. Never mind, racing sometimes goes into the night and the lighting isn't the best. Or someone else could be tending to your car, etc, etc.

If paying attention was the solution just imagine how different our world would be. So I will forget that you posted anything useful.