alternator whine

What is the best and most effective way to get rid of alternator whine or any engine noise on a system??Mastermindz

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I can only hear it at really low or no volume, so I doubt anyone else can hear it. So would this be a ground issue from my hu or amp?Mastermindz

Have you tried turning the amplifier's gain knob all the way down?  If so, does this get rid of the noise?  Is so, can you still reach your desired listening level?

you have to put the power wire on the other side of the car and redo the ground somewhere elseboxead78

I did a Lil experiment and with my car turned off I get noise when playing a cd, but since my deck has an iPhone hook up I plugged in my iPhone and when I played music from the iPhone, no noise even with engine on. What would fix this or is this how all cd players are? Also I have my power wire ran on the same side of the battery, but opposite my rca's, I am looking into getting a ground block for all my rear grounds, would a ground block be a good choice, I have a 2000 Monte Carlo so it's hard to find good grounding points close to all my amps in my trunkMastermindz

When you switch from CD to Iphone, is there a huge difference in volume between the 2 sources?  Does your radio have the ability to adjust the level of a particular source?

There isn't much of a difference, and yes it's called sound retrival on my deck it's a pioneer 2200UBMastermindz

There isn't much of a difference, and yes it's called sound retrival on my deck it's a pioneer 2200UBMastermindz