Problem HELP ME PLEASE>>>

[COMMY VP 666]

I am trying to put my rear speakers onto to my, for afew weeks the speakers were fine on the amp.

then all of a sudden i started to get a whining noise. its not the ground/s

i dunno what it is, need major help asap, for tomorrow thanks

[Mike S]

It might still be a grounding problem but we could take stabs in the dark all night and not find the problem, you need someone experienced to have a look at it.

[Luke0011]

sorry explain a bit better whats the problem

[COMMY VP 666]

1. i have one amp running 15inch sub (separate ground)

2. i have another amp connected onto the rear speakers
but... i am getting the whistling/whining noise out of the speakers

i have connect correctly a "ground look isolator"
changed earths
re run the rca's onto the other side of the car

it only happens when the ignition is or, the car is on "e.g car engine sounds"

what do i do, i am so confused and stumped thanks mates

[holdenboy]

What head-unit?

Could be many things, as Mike S said grounding problems.