whine noise help

[bigchevyboy 10+ year member]

i have a whinning noise but its only when i plug my rca into the rear output of my headunit. i know its the rear output jack thats causing it because when i unplug imput from the rear jack it stps and when i plug the front to the rear the noise comes to the front. i got an in dash crossover to se if i can run my cables through them but dont know how to connect the rca's to it or how to run th input to my deck. can someone help me with any of this please.//content.invisioncic.com/y282845/emoticons/fro.gif.c695f1f814b01c4ad99fe7f8cccadd29.gif

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[patrick1202 10+ year member]

it's road noise it's because rca's are very sensistive and if they are close to your power wire or fuel pump or ground you'll hear it and it stops because you pull out the rca it's not getting a signal so you won't here it and you plug it in the front it'll do it to the front