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<blockquote data-quote="PianoPlayer07" data-source="post: 7765676" data-attributes="member: 642119">Bought a new deck and installed it this morning. Guess what...STILL HAS NOISE!!! I had a friend who has worked with electronics for many years to check the grounds. The ground for the amps in the back was perfect as well as the new ground that I ran for the hu in front. Oddly enough the stock ground wire that I was using at the hu had a little voltage coming through it and would fluctuate when say you opened a door or something. He also checked the pico fuse in my other hu and it was fine. We tried several things including hooking the ground up to the negative battery post which actually made the problem worse. We also tried eliminating everything used in the stock wiring harness by hooking power, ground, and turn off all in the back. Nothing was coming from the stock wiring except the speaker wires which goes to the doors. The noise still came through.Here&#039;s the kicker. We also tried hooking everything up outside by using the hu, one amp, and an external set of speakers. We just ran power and ground directly off of the battery posts. No noise using this method.After buying a new unit and still having the problem I am at a loss of ideas at this point. Maybe noise is being inserted through the speaker wires? If this was the case why has it never done it up until this point?Please help!</blockquote>

[QUOTE="PianoPlayer07, post: 7765676, member: 642119"] Bought a new deck and installed it this morning. Guess what...STILL HAS NOISE!!! I had a friend who has worked with electronics for many years to check the grounds. The ground for the amps in the back was perfect as well as the new ground that I ran for the hu in front. Oddly enough the stock ground wire that I was using at the hu had a little voltage coming through it and would fluctuate when say you opened a door or something. He also checked the pico fuse in my other hu and it was fine. We tried several things including hooking the ground up to the negative battery post which actually made the problem worse. We also tried eliminating everything used in the stock wiring harness by hooking power, ground, and turn off all in the back. Nothing was coming from the stock wiring except the speaker wires which goes to the doors. The noise still came through. Here's the kicker. We also tried hooking everything up outside by using the hu, one amp, and an external set of speakers. We just ran power and ground directly off of the battery posts. No noise using this method. After buying a new unit and still having the problem I am at a loss of ideas at this point. Maybe noise is being inserted through the speaker wires? If this was the case why has it never done it up until this point? Please help! [/QUOTE]

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