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Wiring, Electrical & Installation
Alternator Whine solved by direct Ground to the Battery
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<blockquote data-quote="Zermelo" data-source="post: 6891970" data-attributes="member: 588486"><p>The whine is consistent with the rpm of the alternator, the greater the rpm of the alternator, the higher pitch the whine.</p><p></p><p>I'm going to upgrade the ground from the battery tomorrow to 0 gauge and make a clean connection. I'll see how it goes.</p><p></p><p>Edit: 6/27/2010</p><p></p><p>Well, I pretty much rewired the entire system:</p><p></p><p>0/1 Gauge from Battery to Distribution block,</p><p></p><p>0/1 Gauge from distribution block to SAZ-1500D,</p><p></p><p>4 Gauge from distribution block to 16-MCA5004,</p><p></p><p>0/1 Gauge ground from SAZ-1500D to New Clean ground in truck</p><p></p><p>4 Gauge ground from 16-MCA5004 to same ground as the SAZ-1500D</p><p></p><p>0/1 Ground from Battery to Chassis, 0/1 Gauge from Engine Ground to Chassis, 0/1 from battery to alternator</p><p></p><p>and I still got the alternator whine. So I just bit the bullet and ran another ground wire from the negative batter terminal to the HU, and no more noise.</p><p></p><p>Really not sure why this worked other than the fact that other electrical throughout the chassis were causing the noise, but everything I've read suggest that with proper grounding to the chassis should have eliminated the noise since the chassis is a better conductor than the wire.</p></blockquote><p></p>
[QUOTE="Zermelo, post: 6891970, member: 588486"] The whine is consistent with the rpm of the alternator, the greater the rpm of the alternator, the higher pitch the whine. I'm going to upgrade the ground from the battery tomorrow to 0 gauge and make a clean connection. I'll see how it goes. Edit: 6/27/2010 Well, I pretty much rewired the entire system: 0/1 Gauge from Battery to Distribution block, 0/1 Gauge from distribution block to SAZ-1500D, 4 Gauge from distribution block to 16-MCA5004, 0/1 Gauge ground from SAZ-1500D to New Clean ground in truck 4 Gauge ground from 16-MCA5004 to same ground as the SAZ-1500D 0/1 Ground from Battery to Chassis, 0/1 Gauge from Engine Ground to Chassis, 0/1 from battery to alternator and I still got the alternator whine. So I just bit the bullet and ran another ground wire from the negative batter terminal to the HU, and no more noise. Really not sure why this worked other than the fact that other electrical throughout the chassis were causing the noise, but everything I've read suggest that with proper grounding to the chassis should have eliminated the noise since the chassis is a better conductor than the wire. [/QUOTE]
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Alternator Whine solved by direct Ground to the Battery
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