whining noise with stereo

[93redcb7]

as the title says i get a whining noise when my deck is on, is doesnt matter if it is blaring or on pause, i just got done installing amp/sub and amp'ing 6x9's. ran the rca's down the drivers side and power cord down passenger side.

weirdest thing... its rpm related it gets louder when in higher range. but if the deck is off it doesnt do it.. i know it isn't the cd... im not sure but it sounds like it is coming from under the hood
any help is appreciated

[dj_ender]

as the title says i get a whining noise when my deck is on, is doesnt matter if it is blaring or on pause, i just got done installing amp/sub and amp'ing 6x9's. ran the rca's down the drivers side and power cord down passenger side.

weirdest thing... its rpm related it gets louder when in higher range. but if the deck is off it doesnt do it.. i know it isn't the cd... im not sure but it sounds like it is coming from under the hood
any help is appreciated

The whine is feedback from you alternator. It is caused by bad grounding, and/or crappy RCA's.

[93redcb7]

The whine is feedback from you alternator. It is caused by bad grounding, and/or crappy RCA's.

possibly bad grounding... but how would crappy RCA's have to do with it since it doesnt matter if it is paused or up?

[C91BLX7]

possibly bad grounding... but how would crappy RCA's have to do with it since it doesnt matter if it is paused or up?

Poor/ or no shielding .

[dj_ender]

possibly bad grounding... but how would crappy RCA's have to do with it since it doesnt matter if it is paused or up?

There's a ground in the RCA's..... And even though it's paused, there's still a signal running thru them. Crappy RCA's don't have interference technology in them, and I should have said, old RCA's as well. If they are broken, like mine, they will cause whining, why, because it breaks the ground.

[tlej@live.com]

I had cheap RCA's and they were grounded. Wined like a little girl. I bought some new ones, and ran them on the OPPOSITE side of the power wire.. Problem solved.

[93redcb7]

they are brand new rca's... and the brand is scosche... and all my friends have used them no problems... ill look at the grounding tomorrow

[tlej@live.com]

Do you have a picture of them you could show me? Perhaps one off of Google?

Also, are you running the RCA's beside the main power wire?

Have you tried grounding them like this:

[stevediraddo]

This can also be caused by overgrounding. Remember that audio ground and chassis ground must never touch. Audio ground must be isolated. "Ground" parts of audio cables such as the outside ring of RCA cables must never touch metal.

[93redcb7]

Do you have a picture of them you could show me? Perhaps one off of Google?

Also, are you running the RCA's beside the main power wire?

Have you tried grounding them like this:

iv never seen that type of grounding done before, but in my main post i said i have the power wire on the passengers side and the rca's on the drivers side... but what i want to know is what is making the whining noise cause it cant be the speakers cause there is no volume...
http://s.shld.net/is/image/Sears/spin_prod_546639701
that looks almost just like them... its the right brand and everything

[93redcb7]

also all my wires are just kinda jumbled behind my sub idk if that makes a difference... i plan to clean it up some tomorrow

[tlej@live.com]

What kind of head unit do you have? Because:

When you say there is "no volume" do you mean they are turned down to 0, or they are up, just not playing music.

For a quick test, try touching the RCA's where they connect to your amp. See if the whine stops. If so, it's a ground issue. Also, do you have anything plugged into your cigarette lighter? Try unplugging it and check for the whine. I've also known someone who got rid of the whine by twisting the rca's..

Does the wine increase in pitch when you press the throttle? (Sorry.. Just saw you mentioned this in first post.)

Is there any wine when the car is just in the ACC position? (I know you said it's RPM related, but .. still.)

[93redcb7]

What kind of head unit do you have? Because:

When you say there is "no volume" do you mean they are turned down to 0, or they are up, just not playing music.

For a quick test, try touching the RCA's where they connect to your amp. See if the whine stops. If so, it's a ground issue. Also, do you have anything plugged into your cigarette lighter? Try unplugging it and check for the whine. I've also known someone who got rid of the whine by twisting the rca's..

Does the wine increase in pitch when you press the throttle? (Sorry.. Just saw you mentioned this in first post.)

Is there any wine when the car is just in the ACC position? (I know you said it's RPM related, but .. still.)

it plays music just fine but when its on pause it still does the whine, i dont have a cigarette lighter(someone cut it out, kinda weird if you ask me), and the rca's come pre-twisted inside of a tube like coating. yes the whine increases when pressing on the throttle, and i think at even idle there is no whine(by memory i think it starts at like 2k-ish rpms)

[tlej@live.com]

Unplug your RCA's from the back of the amp. Test for the wine.

[93redcb7]

I also ran the remote wire on the rca side... Does this matter?