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Wiring, Electrical & Installation
The despicable whine noise.
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<blockquote data-quote="DRBOOM" data-source="post: 8661719" data-attributes="member: 676005"><p>ok, thanks for bringing this up. I would suggest you have to ground your head units RCA to the head unit chassis as the RCA's themselves have poor internal grounding. </p><p></p><p>This is how you do it.... you will have to open the front panels to access the rear of your head unit where the RCA'S plug into the source unit. Then you remove the RCA's, tag the RCA's so you know its front, rear, subwoofer. Take , a strand of speaker wire and splice it to reveal the copper wires, splice enough so you will have to twirl the wires in a figure 8 shape around a pair of RCA,s go around the RCA inputs behind the head unit, then apply solder to get the figure 8 shape. You may have to do this to each RCA inputs that run to your amps, so if you have two or three running, you will have to do all three :blackeye:</p><p></p><p>Then solder all of them to one wire and use a stock screw point on your head unit to "ground" them. Then insert your RCA's back. Make sure the ground figure 8 goes first in the RCA port, then the RCA's should slide in to secure them.</p><p></p><p>You can connect the source power wire and test it before you put it all back in. Hopefully this should solve your engine noise or any ground loop issue.</p><p></p><p>Let me know how you go mate! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="DRBOOM, post: 8661719, member: 676005"] ok, thanks for bringing this up. I would suggest you have to ground your head units RCA to the head unit chassis as the RCA's themselves have poor internal grounding. This is how you do it.... you will have to open the front panels to access the rear of your head unit where the RCA'S plug into the source unit. Then you remove the RCA's, tag the RCA's so you know its front, rear, subwoofer. Take , a strand of speaker wire and splice it to reveal the copper wires, splice enough so you will have to twirl the wires in a figure 8 shape around a pair of RCA,s go around the RCA inputs behind the head unit, then apply solder to get the figure 8 shape. You may have to do this to each RCA inputs that run to your amps, so if you have two or three running, you will have to do all three :blackeye: Then solder all of them to one wire and use a stock screw point on your head unit to "ground" them. Then insert your RCA's back. Make sure the ground figure 8 goes first in the RCA port, then the RCA's should slide in to secure them. You can connect the source power wire and test it before you put it all back in. Hopefully this should solve your engine noise or any ground loop issue. Let me know how you go mate! :) [/QUOTE]
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The despicable whine noise.
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