sebZman Posted May 19, 2017 Share Posted May 19, 2017 Hello I open a new topic of discussion because I find not an answer to my problem I have make your assembly for my stereo as the topic http://www.350z-uk.com/topic/106961-350z-headunit-replacement-guide-with-links-to-parts/ it works very well, but I have a humming when he has not of music someone can help me? thank you Quote Link to comment Share on other sites More sharing options...
Willsy1980 Posted May 19, 2017 Share Posted May 19, 2017 Possibly a bad earth connection ? 1 Quote Link to comment Share on other sites More sharing options...
sebZman Posted May 20, 2017 Author Share Posted May 20, 2017 Possibly a bad earth connection ? It does not change anything I took good mass I think the noise is because the car radio continuously powers the amplifier The OEM must power the amplifier when there is music Maybe my theory is wrong :/ Quote Link to comment Share on other sites More sharing options...
Willsy1980 Posted May 20, 2017 Share Posted May 20, 2017 (edited) Pretty standard that the amp has continuous power when the headunit is on. When you say it does not change anything, what do you mean ? Did you disconnect the earth cable while powered and no change ? Did you earth it as shown in the instructions you posted ? Try cleaning the surface you earth to with a bit of sand paper and try again, most of the time a buzz is a bad earth connection somewhere, could also be a bad speaker connection too though. But the earth is easier to trace and check. Edited May 20, 2017 by Willsy1980 Quote Link to comment Share on other sites More sharing options...
Angrybiker Posted May 21, 2017 Share Posted May 21, 2017 It's a common problem after new head unit. It won't be a bad earth. Do the buster hack/ buster mod. There's a few threads on it. Worked a treat Sent from my SM-G928F using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
sebZman Posted May 23, 2017 Author Share Posted May 23, 2017 Pretty standard that the amp has continuous power when the headunit is on. When you say it does not change anything, what do you mean ? Did you disconnect the earth cable while powered and no change ? Did you earth it as shown in the instructions you posted ? Try cleaning the surface you earth to with a bit of sand paper and try again, most of the time a buzz is a bad earth connection somewhere, could also be a bad speaker connection too though. But the earth is easier to trace and check. Yes, I connect the ground wire to two different places Disconnected reconnected and this does not change anything Quote Link to comment Share on other sites More sharing options...
sebZman Posted May 23, 2017 Author Share Posted May 23, 2017 It's a common problem after new head unit. It won't be a bad earth. Do the buster hack/ buster mod. There's a few threads on it. Worked a treat Sent from my SM-G928F using Tapatalk the buster hack/ buster mod? Sorry I do not understand Quote Link to comment Share on other sites More sharing options...
Willsy1980 Posted June 7, 2017 Share Posted June 7, 2017 (edited) It's a common problem after new head unit. It won't be a bad earth. Do the buster hack/ buster mod. There's a few threads on it. Worked a treat Sent from my SM-G928F using Tapatalk the buster hack/ buster mod? Sorry I do not understand There was a link in the guide you used for the install, here: http://www.350z-uk.com/topic/58947-reduced-sound-out-put-after-replacing-oe-bose/ Edited June 7, 2017 by Willsy1980 Quote Link to comment Share on other sites More sharing options...
sebZman Posted June 10, 2017 Author Share Posted June 10, 2017 Yes, I have respecting exactly the guide It's a common problem after new head unit. It won't be a bad earth. Do the buster hack/ buster mod. There's a few threads on it. Worked a treat Sent from my SM-G928F using Tapatalk the buster hack/ buster mod? Sorry I do not understand There was a link in the guide you used for the install, here: http://www.350z-uk.c...lacing-oe-bose/ Quote Link to comment Share on other sites More sharing options...
Foo56 Posted August 1, 2017 Share Posted August 1, 2017 Here's another guide to the buster fix: Quote Link to comment Share on other sites More sharing options...
MDMetal Posted August 1, 2017 Share Posted August 1, 2017 The buster guide makes things louder not quieter, if you have buzzing without the mod then adding the mod only makes it worse! Can you confirm that when the stereo is switched off (power off) the buzzing goes? Quote Link to comment Share on other sites More sharing options...
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