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12-10-2019, 02:11 PM
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#1 |
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High-pitched whine from headlights
Good afternoon all,
I had an amp and speakers installed in my 2018 SS 1LE. ISSUE: Every time the headlights are on, the speakers whine like crazy. - It is not a ground feedback loop. - All components are securely mounted to fiber board in the trunk. - Ground is secure as well. The ONLY thing i can think of is that the crossover for the front speakers is picking up noise from the headlights. What can i do to fix this?!? 
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2018 Camaro SS 1LE - 2011 370z - 2004 VW R32 - 2000 Civic Si Mods: Rotofab, Nick Williams 103mm TB, MSD IM, Kooks 1 7/8 Results: 470 hp / 447 tq |
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12-11-2019, 08:44 AM
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#2 |
        Drives: 2017 2SS, 50th pkg, M6, MRC, NPP Join Date: Jan 2016
Location: Ocean City, NJ
Posts: 3,180
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Construct a shield for the crossover out of aluminum sheet and dump to ground.
Not sure this is really the problem, but this will eliminate the possibility of EM fields bleeding into the crossover. |
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12-11-2019, 10:35 AM
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#3 |
 
Drives: Chevy Camaro Join Date: Jul 2019
Location: Dallas
Posts: 420
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It is likely HF noise being picked up from the power supply (ballasts) by your HU or by the speaker wires, here is a great article that my or may not help you, hope it does.
https://betterautomotivelighting.com...ed-headlights/ |
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12-11-2019, 11:28 AM
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#4 |
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Drives: 2017 2SS, 50th pkg, M6, MRC, NPP Join Date: Jan 2016
Location: Ocean City, NJ
Posts: 3,180
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I would agree that speaker wire seems more likely to pick up noise than a crossover. I'm sure you can find shielded speaker wire somewhere, or maybe just twisted would be enough.
Knowing the wire market, I'm sure someone is selling platinum-shielded triple-helically-twisted speaker wire for $1000/ft. |
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12-11-2019, 12:42 PM
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#5 |
 
Drives: 2016 Garnet Red Camaro 2SS Join Date: Jul 2015
Location: North Carolina
Posts: 5,435
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Make sure that amp is grounded properly as well.
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2SS Camaro, Garnet Red, Adrenaline Red, NPP, MRC, A8, 5 Split Spoke Bright Silver Wheels (56W)
1100 Status - 7/24/15 (Ordered) 3800 Status - 10/13/15 (Built) 6000 Status - 12/22/15 (Delivered) |
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12-13-2019, 09:28 AM
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#6 | ||
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Quote:
Hey thanks for the reading... i'll see what i can do about it though  Quote:
Grounded the crap out of that amp. lol 
__________________
2018 Camaro SS 1LE - 2011 370z - 2004 VW R32 - 2000 Civic Si Mods: Rotofab, Nick Williams 103mm TB, MSD IM, Kooks 1 7/8 Results: 470 hp / 447 tq |
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12-21-2019, 12:40 PM
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#7 |
 Drives: 2017 Convertible Hyper Blue Join Date: Dec 2019
Location: Manitoba
Posts: 8
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What type of Amp did you use ? I have a similar problem on my RS convertible, I used JBL amps because of the high level sensing, and have the same/similar issue. I then added an AudioControl LC7i, but still have the same issue. When it's in the garage, cycling the door locks turns on the headlights and the amps turn on, and you hear the whine. When the stereo is in use though, you never seem to hear it. I've tried grounding the amps to the chassis and directly to the battery. Yes I have the same system, no amp in the trunk from factory
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