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#1
03-08-2008, 02:01 AM
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Connecting Ground cable to Negative Battery Cable, it will be ok?
since I'm having very annoying engine whine noise, even my radio is turn off, I'm trying to re-grounding my cable, I've tried two other spots already, but no luck. so I was thinking to connect ground cable to negative battery cable directly. will it be ok? it won't damage my battery? Thanks!
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 ::modmynav.com 
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#2
03-08-2008, 10:15 AM
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Yes, you could connect a ground cable directly to the battery without a problem.
Whine is usually caused when the radio and amp are not at the exact same ground potential. One technique you could try is running a new ground for both the radio and amp to the very same point.
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SOLD 2000 E38 750iL Highline Edition, Upgraded with the lastest 2006 X5 Electronics MKIV Navigation, 16:9 Display, Bluetooth, TV/Video with Backup Camera, Sirius, and Aux Input
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#3
03-12-2008, 11:22 AM
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As posted above try the negative post first. As he said you can combine or ground at the same point to kill off unwanted noise.
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2009 E70 X5 - Third Row - Rear DVD Past - 04 4.4i Sport Package
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#5
03-14-2008, 05:11 PM
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Wuzin -
http://www.markertek.com/SearchProdu...RR&pagesize=20 this did it for me. Before even this - I have a Alpine F1 Processor and I has having a hard time cleaning up the inputs/outputs
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#6
03-15-2008, 05:13 PM
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Thanks guys for the replies!
I've installed RCA Ground Loop Noise Isolator, and I don't hear noise anymore!
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::modmynav.com
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#7
04-08-2008, 02:59 AM
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i think i will try the negative terminal as a ground for the amp as well, as I have the same problem. I prob need the isolator too.
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Indy Shops: Berkeley: German Auto Sport Phoenix: Babbitt Motor Werks | Arizona Bimmer Motor Works Reno: Reno Rennsport Rides: 00 BMW X5 4.4 93 Nissan 300ZXTT 88 Nissan 300ZXT Shiro #853 88 Nissan 300ZXT Shiro #773 84 Nissan 300ZXT 50th AE 78 Datsun 280Z Black Pearl 15 Yamaha WR250R 06 Yamaha R1 AE Email: WE350Z at gmail
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#8
02-14-2011, 01:53 PM
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Another one with terrible ground noise. SO annoying. I wonder if the car has enough grounding points under the hood or if some improvements can be made?
For now, I will get the ground noise loop eliminator. I am sick to death of taking my car apart.
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#9
02-15-2011, 02:08 PM
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I tried the ground noise loop eliminator, it didn't work. I think the crossover that I mounted in the door is picking up interference from the ecu (or whatever it is) located on the passenger side kick panel. I am going to try to relocate the crossover and see if it works. I am only getting noise from the passenger side.
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