I have Big Problems, Please Help!!

[HERC]

I have recently installed 2 subs and an Amp and I am having major issues

I am getting a kick from the Subs when I turn the stereo off and on and also when I change between the sources on my stereo.

The thump gets bigger as I increase the gain on the amp, and if I have no music playing and turn the gain up on the amp the subs begin to pulse

I have tried upgrading the ground to 1 gauge wire from 4, and changed the ground point direct to the chassie of the car instead of connecting to the sat mounting bracket,

I am running bridged 2 channel amp and 2 DVC Subs wired in series at each at 4ohm load

Second Picture Down on the Link

http://www.crutchfieldadvisor.com/learningcenter/car/subwoofers_wiring.html?subs=2&impedance=DVC4x2

Can anyone please help.//content.invisioncic.com/y282845/emoticons/crap.gif.7f4dd41e3e9b23fbd170a1ee6f65cecc.gif

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[jacka 10+ year member]

what kind of amp and what kind of headunit? i had the same problem with the loud turn on and the pulsing, but my gains were pretty low. i grounded my rca's and it solved the problem for me.

 

[Lowjacker 10+ year member]

I would recommend the RCA grounding mentioned above.