High pitched noise from speakers when ignition is turned on

[cxcxcxvcvcvc]

For a while now i have been getting this very high pitched squeal come from my speakers when i first turn the ignition on! It does not happen all the time and there is no interference noise when driving (sounds rather good and clear, no engine noise whineing ect) but when it does it, its very loud and irritating, the problem im concerned with is that im wanting to replace the stock deck with my clarion unit and don't want to damage my head unit (it was rather exspensive lol) and also my speakers, im thinking bad earth? anyone else had this prob?

[Tasmaniak]

how long does the noise last for?

my first thought would be to go ahead and replace that deck and I think you will find that the noise will disappear

[cxcxcxvcvcvc]

how long does the noise last for?

my first thought would be to go ahead and replace that deck and I think you will find that the noise will disappear

It only last for a few seconds and it does not do it all the time ect, and the volume switch is playing up ,possible fault?
Im off to autobarn to get a CAT10 for $200 so i can run the new deck with the steering controls! Hope the sound quality improves with the new deck!!
heres a link to my deck
Clarion Australia | DXZ776USB

[benny mckellar]

hi yeah sounds like a bad earth or if you put the new deck in and it still happens maybe there's a resistor missing in there somewhere

[2rk2nv]

hey, got a feeling maybe ur wiring wasnt done properly i did my own car and at one stage sum of the wires werent done properly n were touchin metal n sounded like der was a supercharger under the hood lol was fun for a bit, den really annoying

[TOX1K]

I worked selling Car Stereos bout a year back now...
Make sure your ground is well connected... and you haven’t used any cheep RCS or speaker cable. Poorly insulated wires will cause you to pick up interference threw the cable giving you a Wining sound (kinda like supercharger).

If you had this installed professionally take it back and they will fix it, if you did it yourself and not sure what the problem is after you have checked everything (earth, speaker cables and connections, RCAs if your running amps) get a fitter to have a look at ur local JB or somewhere simular.