Ground loop Isolator on 12v line?
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=140818
Printed Date: May 02, 2024 at 3:44 PM
Topic: Ground loop Isolator on 12v line?
Posted By: tesna
Subject: Ground loop Isolator on 12v line?
Date Posted: February 09, 2016 at 1:14 AM
So I have alternator whine using aux input connected my phone only when my phone is charging. I tried to hook up the line level ground loop isolator, well.. the engine noise is gone.. but the sound quality is horrible!
Rather than isolating the ground on the line level, can I install 12 V 2A 1:1 transformer on the 12v line before the charger to my phone? Or it does not work that way?
Replies:
Posted By: i am an idiot
Date Posted: February 09, 2016 at 10:12 AM
What brand isolator did you use? Most of them are directional, there is an input and an output. Did you connect it that way? Try a Pac-audio.com SNI-1. Make notice of the input and output.
Posted By: stephieme
Date Posted: September 10, 2016 at 5:50 AM
What has worked for me in the past is to get a piece of bare wire and loop it around the outputs on the back of the HU then using one of the screws on the HU screw the ends of the wire to the unit. This eliminated my need for an isolater. Your situation may be different.
Posted By: i am an idiot
Date Posted: September 10, 2016 at 8:12 PM
He only has the problem when using AUX in. Your fix is not going to help him.
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