Whats wrong with my Headunit???

[Jaccordan]

Alright recently i have been expiriencing some engine whine comming from my speakers. Its that hissing sound that goes along with the rpms. Now im 90% sure that this is commming from my headunit because i swapped a new one in today and have no more noise what so ever. Now there is a 10% chance that i had a shitty ground on my last unit. However, if the case is that my headunit is producing the sound what is wrong? how can i get it fixed? How much does it cost. Who do i contact??

Thanks guys

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[slipknot87420 10+ year member]

that was alt. whine you could try to run your rca's on the other side of the car than the power wire, but also it could have been a bad ground like you said

 

[Wonderbread 5,000+ posts]

did you get it done at a shop? if so, contact tehm and have them fix their ground...

if not.. there's no reason for you not to be able to do this yourself...

just pull the deck and ground it directly. ignore the factory ground entirely, and find a good one nearby.