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Originally Posted by DJ Hellfire
I personally think grounding kits are useless. But I am just going off theory, not experience with them!
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That's what I thought. I've noticed that almost every single person who thinks this has figured out that it won't do anything to help their car from their extensive knowledge of electrical engineering and not through actual practice. I used to be quite uninformed myself until I had an issue in an older car that I threw about a grand at trying to get diagnosed and fixed. Then I followed some advice I'd gotten and did some grounding and got improvement. I tinkered even more and eventually solved the problem completely through supplemental grounding.
You stated
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When you think about the laws of electricity, current always chooses the shortest path to ground, not multiple paths.
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This is almost true. The path that electrical energy will take is the path with the
least resistance but that is not necessarily always the shortest distance. A 6" long titanium wire has far less current carrying capacity than a 12" long wire made of silver or even copper. A 6" long 10 AWG copper wire has more resistance than a 12" long 0 AWG copper wire.
No multiple paths to ground, huh? If a given source has two or more paths with equal resistance, the electricity will just pick one path and use only that one, ignoring the other paths that have the same resistance??
That being said, do you have any idea whatsoever how you car is grounded anywhere other than the negative battery/chassis ground? I do.
I am NOT saying that grounding wires will fix everything electrical that may be wrong in a car, that would be untrue. I am NOT saying that grounding wires will give you mad horsepower, yo. I
am saying that it will help a lot of things that many people may theorize that they cannot effect.