HELP Head unit Runs ok Than turns off

[slicksta418]

i recently just installed 2 10'' Alpine Type R subs into my car. I have my head unit working fine then randomly it will shut off and i can't turn it back on. can some one help me with a possible problem and solution

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[reed dollaz 10+ year member]

check the power and ground behind the HU.

 

[slicksta418]

every time i start my car after 3-6 hours of not running my head unit will turn on but its a mystery when it will just shut off. is it possible the people that installed my subs messed up my wiring of the head unit