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Discussion Starter · #1 ·
Hello guys! I need need to get rid of some radio wine from my system. I put in a new head unit and amps.

Now the question is... How have any of you properly grounded the head unit from the chassis of the car? The place where the head unit fits into it's place is all metal and goes down to the floor pan of the car. What is the best way of grounding the head unit? I ran a ground wire from the reciever to the amp/s and I still have the wine. Any suggestions would be greatly appreciated!!
 

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Bow down BiAtch >;o)
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ground wire from the receiver to the amp? I always ground them seperately. I have the amp grounded to the chasis underneath the carpeting of the trunk, and I don't have any engine noise.
 

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Your electrical friend
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If that doesn't work, they sell noise insulators that you can wire in to solve this problem, as well as RCA noise reducers that you can put near your amps, inline with your RCA's coming from your HU. I used the OEM ground wire for my HU and never had a problem.
 

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it probably wouldn't hurt to increase the size of your ground wire a few gauges, and run it somewhere other than the stock harness. I grounded my head unit to the chassis and it's crystal clear.
 
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It could be coming from your alternator... it was in my 'rolla. My battery was dieing when I installed my amps & h/u... so the alternator was working extra hard. Needless to say I purchased a fancy schmancy optima for my old car... maybe I'll transfer it into my Sentra...
 
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