PLEASE help

was trying to install new navall head unit and couldnt fit it in, but thats a seperate issue...



when trying to make it fit, it all of a sudden powered down...



i then went to use my heating fans as the car was getting steamy with my rage and they wont go on now either!!!!!



is the power to them somehow linked?



what the hell have i done?



im hoping to use the car later and i cant without my fans...can someone please help?

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