is it just me, or has anyone encountered this problem. when they start their cars (2003 g sedan in specific) you hear this high pitch whine, and as the car cools down it goes away. the only reaosn i aksed is that i have 2 amps in the car, one for subs and one for interiors. and with the interior amp, this whine persists as i accelerate. however, when i changed interior amps, this whine noise is only present as the car is warming up or just started...it then goes away completely (with the new amp installed) is this initial engine whine normal???
i dont have a problem with it now becasue my alternator whine is gone being that i'm using a differernt, amp, but should i be concerned???

 

It could be the amp warming up too.

 

the reason why you have engine noise is cause you have two amp. and the way the audio shop or your self ran the wires for the system or cause your RCA are bad. you can just buy a sound filter and your prob. will be gone.

 

OR just run the RCA's away from the power wires.

 

sounds like you didn't ground your amp properly, try replacing the ground wires

 

Best bet is you have a bad ground.

 

Just get a filter... maybe two... problem solved.

 

^^^ Why not three