Wiring problem? or other issue

[JLaudio_ECLIPSE 10+ year member]

I just installed a brand new 4 gauge kit running a TMA 500.1 and a 12 Eclipse Aluminum 6210. Now the sub is putting out a 2 ohm load and the amp is giving it 500 watts at 2 ohms. I have a 2003 ford taurus with the stock radio and a line out converter in the back. I dont have it grounded which i dont know if its the problem. But anyways to the problem; turn on the car and start playing the music the amp turns on then the sub starts playing one tone and its loud and doesnt change. And when i turn it down to 0 volume it still has it and it dies off. I cant play the sub bec of this problem. And my amp is still really hot after playing (burnt my hand after touching it for a sec) dont know why its like this but ams in madison said its normal since its old technology. Please give me a suggestion bec i want to bump lol.

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[JLaudio_ECLIPSE 10+ year member]

Anyone?!! Please i need help

 

[All_Logix 10+ year member]

older amps do tend to get hot because they are less efficient with power disipation. but as far as the tone goes, try this, grab an rca to 3.5 mm cable, pluf it dirrectly into the amp rcas and use an mp3 player to give it signal. If it plays music fine this way is something to do with the LOC, if not it is either a bad amp or something has gone terribly wrong with the connection from the sub to the amp (the later is a little unlikely)