Quote:
Originally Posted by tiger123
Well the general consensus here is that this is snake oil with the exception of UNKNOWN370Z.
Guard Dad, since you have a 7AT, did you notice any difference with the shifting as pointed out by UNKNOWN370Z?
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You can hook up a multimeter and an oscilloscope anywhere you want on the car and objectively demonstrate that the grounding quality is unaffected by the installation of such a kit. You could measure shift time and demonstrate that as well, if you were so inclined.
There would have to be a staggering design flaw for a late-model car to benefit at all from a grounding kit. Modern vehicles have return wires from electrical components rather than remote ground to frame, and have nice fat wires with negligible impedance. Throwing another wire in parallel doesn't make a significant difference in your ability to move electrons.
Any difference that is "felt" is placebo. I'd be happy to lend electrical equipment to any who would like to experiment on their own.