Subject	Bad Alternator Whine in Sound System
Posted by	WE350Z on June 10, 2013 at 4:03 PM
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Message	Just finished installing my sound system. I have a new 5-channel Rockford Fosgate R600-5 Amplifier, Infinity Perfect 6.5 Components up front and Infinity Kappa 63.5i speakers in the rear. I have the same issue on my BMW X5, but it's barely perceptible. I ran all the speaker wire down the center console, and the amplifier power cable down the passenger side. I used the ground that was recommended to me underneath the parcel tray where the amp is mounted. The speaker wires and power cable connect to the amp on the passenger side of the amp. They shouldn't be crossing each other or even near each other (except perhaps on the passenger front speaker). Should I try disconnecting speakers one by one and see if it goes away? Also I have the amp gain levels turned up all the way, I think that is making things worse. Any suggestions? My RCA's connect on the driver side of the amp, they are also running down the center console - far away from the power cable. Could it be ground loops? Any suggestions appreciated! _____________________ 2006 Yamaha R1 Anniversary Edition 2006 Scion tC (Sold) 2004 Yamaha YZF-R6 (Sold) 2003 Nissan 350Z Track (Sold) 2000 BMW X5 4.4i 1993 300ZX Twin Turbo 1985 Nissan 300ZX NA (Sold) http://WE350Z.com>v WE350Z at gmail dot com
Follow Ups	Bad Alternator Whine in Sound System - WE350Z 16:03:28 06/10/13 How long is your ground cable from your amp? - fuzzymonkey 17:22:30 06/10/13 The ground cable from the amp isn't very long - probably >> - WE350Z 19:09:58 06/10/13 Also, unplugging each speaker will do nothing - fuzzymonkey 17:26:21 06/10/13 Makes sense what you say about the speaker wires, I think > - WE350Z 19:18:14 06/10/13 a helpful link - shaggee 14:23:26 06/11/13 thx - so what is the consensus best ground point for the HU? (n/m) - WE350Z 15:37:25 06/11/13 I've never had issues with any of my Z's - 300ZMang 08:00:08 06/12/13 which "stock" ground? Exactly where is it for the HU? (n/m) - WE350Z 13:02:00 06/12/13 All of mine have been behind the double din - 300ZMang 15:32:54 06/12/13 on left hand side or ride? I think i am using the left bolt (n/m) - WE350Z 16:58:20 06/12/13 What about a ground loop isolater like this?? (n/m) - WE350Z 18:31:04 06/11/13 Re: Bad Alternator Whine in Sound System - zcarlvr 06:21:06 06/13/13 so ground it to the negative terminal? what guage? Doesn't - WE350Z 16:27:51 06/14/13
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