Alternator Whine (rear speakers only)
I have noticed issues with alternator being posted already and have tryed all the suggested solutions in them. The thing about my problem is the whine is only comming out through the rear 2 speakers, when I unplug the amp running those speakers, the problem is gone. Thing is, i've tryed 3 different amps, 2 different speakers, changing the grounds, and still I get this noise. Any ideas??
Custom Car Stereo Systems
Simple solution.....run the rears off the head-unit
Seriously, you may need to look at the power/RCA side of things......do you run any other amps off the same power cable? RCAs?
150db in a commodore =
nar I dont run any others off the same cable
Custom Car Stereo Systems
Do you have another amp/power cable in the car?
If so maybe try using that power cable to power your rear speaker amp. If that dosent work then try using the RCAs off the other amp....if this set is running a sub then you may have to turn off the LPF on the head-unit or swap the RCA over.
What head-unit are you using?
150db in a commodore =
sorry i made a mistake, i'm actually running 2 amps both off the same power cable 1 for the sub 1 for the speakers, i will try swapping the rca on the head unit now
Custom Car Stereo Systems
Yeah that might be a good idea......you still might have problems with the power cable etc, as the noise is cut from the sub by the LPF.
Head-unit brand?
150db in a commodore =
ok so i just changed it over then, it actually made the whine louder, like twice as loud.
brand is pioneer
Custom Car Stereo Systems
Ahh, could be the earth fuse inside the head-unit then.
150db in a commodore =
true. I dno what that is lol
I'm prolly jst gonna take it to the shop, i've had it with this problem
Custom Car Stereo Systems
yeah, its something you dont wanna mess with if your not too confident in pulling apart the stereo.
150db in a commodore =
alright, cheers man thanks for the help
Yeah its a blown earth fuse, My pioneer is the same, There is any easy way to test it, Ground the H/u To the outer metal off the RCA's. If the sound go's away then thats your problem. Costs about $60 to get fixed from pioneer.
that was it, thanks for input
replaced the headunit, sounds sweet as
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