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Engine noise need confirmation
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<blockquote data-quote="muss" data-source="post: 7752340" data-attributes="member: 641926"><p>yea i ran another ground directly to the battery for the HU but it hasn't helped unfortunately</p><p></p><p>if i unplug rcas from the back of the HU then the noise stops (as you would expect because there is no signal anymore) but if i plug a different source onto the end of those same rcas then it plays through the system fine so thats why ive pretty much eliminated the rcas and the amps.</p><p></p><p>ive quadruple checked all my grounds, moved them drilled new ones etc to no effect also this only started when i added the third set of rcas and rear wiring to the amp, it was fine for weeks before that. Now if i un-do what i did the noise is still there</p><p></p><p>I really think it the HU but if i buy a new one plug it in and get the same thing i will die lol</p><p></p><p>has anyone heard of this symptom before though........fine for 5 - 10 mins then slight crackle whine that builds up until its really quite loud , increases with the rpm aswell. I agree it sounds like a ground more than anything but since ive gone over all those so much and i was fine before i strongly suspect the pico fuse (except none of the fixes for that work for me and generally it sounds as though you get constant noise from the moment you turn the car on with that fault)</p></blockquote><p></p>
[QUOTE="muss, post: 7752340, member: 641926"] yea i ran another ground directly to the battery for the HU but it hasn't helped unfortunately if i unplug rcas from the back of the HU then the noise stops (as you would expect because there is no signal anymore) but if i plug a different source onto the end of those same rcas then it plays through the system fine so thats why ive pretty much eliminated the rcas and the amps. ive quadruple checked all my grounds, moved them drilled new ones etc to no effect also this only started when i added the third set of rcas and rear wiring to the amp, it was fine for weeks before that. Now if i un-do what i did the noise is still there I really think it the HU but if i buy a new one plug it in and get the same thing i will die lol has anyone heard of this symptom before though........fine for 5 - 10 mins then slight crackle whine that builds up until its really quite loud , increases with the rpm aswell. I agree it sounds like a ground more than anything but since ive gone over all those so much and i was fine before i strongly suspect the pico fuse (except none of the fixes for that work for me and generally it sounds as though you get constant noise from the moment you turn the car on with that fault) [/QUOTE]
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