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03-04-2019, 02:34 PM
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#1 |
      Drives: 17 SS 1LE Join Date: Dec 2015
Location: Houston
Posts: 1,920
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Amp Ground noise
Getting a ground noise with no inputs connected to the amplifier, any ideas? When only the radio is on, there is a clean signal. But once accessory power is on the noise starts.
The amp is grounded to the battery. |
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03-04-2019, 04:35 PM
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#2 |
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Drives: 17 SS 1LE Join Date: Dec 2015
Location: Houston
Posts: 1,920
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Interestingly it comes and goes when the DRLs are on.
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03-04-2019, 08:28 PM
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#3 |
 Drives: 2019 Camaro 2SS Join Date: Jan 2019
Location: kcmo
Posts: 49
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how are you getting your audio signal? does it have a factory Bose amp?
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03-04-2019, 09:31 PM
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#4 |
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Drives: 17 SS 1LE Join Date: Dec 2015
Location: Houston
Posts: 1,920
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No external amp, getting signal from a PAC Amp Pro. However it’s not from the input because when I unplug the input from the amp the noise remains.
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03-05-2019, 06:46 AM
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#5 |
 Drives: 2019 LT3 RS Convertible Join Date: Sep 2018
Location: New Hampshire
Posts: 126
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So the noise comes and goes with the DRL and does it with or without input connected.
You could try moving the ground to a different point. Sounds to me like the amp is just touchy. |
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03-05-2019, 01:58 PM
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#6 |
 
Drives: 17 camaro ss Join Date: Mar 2018
Location: Michigan
Posts: 276
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Use the ground stud in front of the battery negative ground stud.
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03-13-2019, 12:55 PM
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#7 |
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Drives: 17 SS 1LE Join Date: Dec 2015
Location: Houston
Posts: 1,920
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Ended up being the driverside passive crossover. There was some wiring running by it.
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03-13-2019, 01:00 PM
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#8 |
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Hot Dog
Drives: '17 1SS 1LE Join Date: Feb 2016
Location: Metro Detroit
Posts: 1,937
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Thanks for posting the root cause. Where is your passive crossover located?
__________________
2017 "M1SS1LE" in Hyper Blue w/PDR
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03-15-2019, 01:17 PM
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#9 | |
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Drives: 17 SS 1LE Join Date: Dec 2015
Location: Houston
Posts: 1,920
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Quote:
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03-15-2019, 03:50 PM
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#10 | |
Drives: 2017 ZL1 Convertible A10 Join Date: Aug 2017
Location: San Gabriel, CA
Posts: 993
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Quote:
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