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Alternator Whine
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<blockquote data-quote="eXistence" data-source="post: 8077166" data-attributes="member: 650157"><p>I am having an issue with my 2006 Corvette Z06 (Alumnium Chassis) and an awful alternator whine. Before we start this is what I am running (I installed everything myself):</p><p></p><p>Head Unit - Kenwood DDX 719</p><p></p><p>Speakers - Arc Audio Components and Coaxials</p><p></p><p>Amps - Pioneer GM-D8601 (mono) &amp; Pioneer GM-8604 (4 Channel)</p><p></p><p>Alpine Type R 10"</p><p></p><p>Reverse Camera</p><p></p><p>4 gauge power wire</p><p></p><p>8 gauge ground wires</p><p></p><p>8 gauge power wires</p><p></p><p>12 gauge speaker wire</p><p></p><p>I get alternator whine when the car is powered on. If its in accessory mode its perfectly fine. I have my amps powered off my battery (located in rear) and on a distribution block (4 gauge power into two 8 gauge powers). The mono amp is grounded to the driver side seat bolt. I have no problems with this amp. Now on the 4 channel I have it grounded on the battery negative bolt right on the hump behind the passenger seat. I have messed around with unplugging my RCAs from the 4 channel and when I do it seems to rid the alternator whine. I have also grounded the amp to the passenger seat bolt and the ground location right on the side of the car behind the passenger seat. So discovering this. I went ahead and added two GLI which did not work. So then I went ahead with installing a inline noise filter on the back of the head unit which again did not fix my problem. This is my 2nd Pioneer D8604 amp as the first one had a bad heat sink and would put it into protect constantly. They both had the alternator whine so that was not different. The new one I have had zero problems with it going into protect from the heat.</p><p></p><p>My main concern is what do you think could be causing this alternator whine? If I turn the music up loud enough the sound goes away, but at low volumes its really annoying.</p></blockquote><p></p>
[QUOTE="eXistence, post: 8077166, member: 650157"] I am having an issue with my 2006 Corvette Z06 (Alumnium Chassis) and an awful alternator whine. Before we start this is what I am running (I installed everything myself): Head Unit - Kenwood DDX 719 Speakers - Arc Audio Components and Coaxials Amps - Pioneer GM-D8601 (mono) & Pioneer GM-8604 (4 Channel) Alpine Type R 10" Reverse Camera 4 gauge power wire 8 gauge ground wires 8 gauge power wires 12 gauge speaker wire I get alternator whine when the car is powered on. If its in accessory mode its perfectly fine. I have my amps powered off my battery (located in rear) and on a distribution block (4 gauge power into two 8 gauge powers). The mono amp is grounded to the driver side seat bolt. I have no problems with this amp. Now on the 4 channel I have it grounded on the battery negative bolt right on the hump behind the passenger seat. I have messed around with unplugging my RCAs from the 4 channel and when I do it seems to rid the alternator whine. I have also grounded the amp to the passenger seat bolt and the ground location right on the side of the car behind the passenger seat. So discovering this. I went ahead and added two GLI which did not work. So then I went ahead with installing a inline noise filter on the back of the head unit which again did not fix my problem. This is my 2nd Pioneer D8604 amp as the first one had a bad heat sink and would put it into protect constantly. They both had the alternator whine so that was not different. The new one I have had zero problems with it going into protect from the heat. My main concern is what do you think could be causing this alternator whine? If I turn the music up loud enough the sound goes away, but at low volumes its really annoying. [/QUOTE]
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