thoughts on my alternator whine

[954runner 10+ year member]

ive been super busy lately and thus havent had a chance to really get to fixing it, but i was thinking about it like this... im ALMOST certain its the pre-outs on my headunit (alpine 9813).

assuming that this is the actual problem, could i just plug in the REAR outputs to my amp, change my rear fill to the front outputs from the headunit power, and then adjust T/A with rear channels and fade everything opposite of normal?

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[954runner 10+ year member]

erm, sure.
Have you checked and rechecked your h/u's ground wire? that was givin me alt whine. also, where are your RCA's? if they're near the power wire, move em!

yeah, fixed the ground wire, didnt help.

and i gutted my car a while ago and re-ran everything, didnt help either.

 

[Lakota 5,000+ posts]

erm, sure.
Have you checked and rechecked your h/u's ground wire? that was givin me alt whine. also, where are your RCA's? if they're near the power wire, move em!

I've heard that the RCA/power wire thing is a myth...

 

[954runner 10+ year member]

so have i, but i did it anyways. caution FTW

 

[iamamp3pimp 5,000+ posts]

it is a myth.

Mine are all zip tied together, all the way to the back of the car.