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<blockquote data-quote="Konstantin" data-source="post: 2543129" data-attributes="member: 573257">Hello, I am seeking help on what could be wrong with my setup.Today I changed my radio and now I have insane ammounts of engine noise, and other noises when the car is turned off.My setup:Rockford Fosgate P4004 ampMTX 4001 ampRockford Fosgate Fanatic components in frontKicker Ex69.3 6x9 in the back2 MTX RT12-04 subs.I had that setup with a Pioneer DEH-P7750MP radio and everything was good. Nothing spectacular but it worked. There was absolutely no noise. No engine noise either, so I guess everything was wired right.Today I changed the radio to a Pioneer Premier DEH-P960MP and it all went to hell. I have noise at volume 0, the subs kick once when I set the volume to 0 (from 1 to 0, they just kick loudly once), very strong engine noise. All I did was change the radio (and the cable harness, because it was different for this radio).I went to 2 different audio places and both told me that the grounding and power cables were hooked right, so they told me it must be an amp problem.My question here is, since everything was working fine I have trouble believing that the wiring is bad, and I dont feel like spending more money on something that will probably not fix my problem.Could the radio be defective? I really dont know what to do //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif</blockquote>

[QUOTE="Konstantin, post: 2543129, member: 573257"] Hello, I am seeking help on what could be wrong with my setup. Today I changed my radio and now I have insane ammounts of engine noise, and other noises when the car is turned off. My setup: Rockford Fosgate P4004 amp MTX 4001 amp Rockford Fosgate Fanatic components in front Kicker Ex69.3 6x9 in the back 2 MTX RT12-04 subs. I had that setup with a Pioneer DEH-P7750MP radio and everything was good. Nothing spectacular but it worked. There was absolutely no noise. No engine noise either, so I guess everything was wired right. Today I changed the radio to a Pioneer Premier DEH-P960MP and it all went to hell. I have noise at volume 0, the subs kick once when I set the volume to 0 (from 1 to 0, they just kick loudly once), very strong engine noise. All I did was change the radio (and the cable harness, because it was different for this radio). I went to 2 different audio places and both told me that the grounding and power cables were hooked right, so they told me it must be an amp problem. My question here is, since everything was working fine I have trouble believing that the wiring is bad, and I dont feel like spending more money on something that will probably not fix my problem. Could the radio be defective? I really dont know what to do [IMG]//content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif[/IMG] [/QUOTE]

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