Originally Posted by
the727kid
Come on now Dalton, you know enough to know this is true. The ground breaks internally on the HU and grounding this works. I have done it many times, it is not a wiring issue, it is a internal issue.
Never seen a PCB board break a solder joint to the outer shield. I would be interested in seeing the dc resistance between the shield and the true ground on one of the headunits that this fixed.