Re: Tap into 12V for Remote Wire? HELP ME
If you wire to the grey wire, the amp will come on with the car ignition. If you wire to the antenna lead, the amp MAY turn off when you use any source other than the FM tuner.
As far as the wire color, the aftermarket uses one color convention that is the same for all brands. Each car maker uses its own color scheme and they don't conform to any standard, but they are generally consistant within the brand.
Artificial Intelligence is no match for Natural Stupidity.
Never underestimate the power of stupid people in large numbers.
Life's tough...it's even tougher when you're stupid.