After a torrential downpour, somewhere in the passenger side, water came in behind the kick panel in the front footwell. I believe my smart junction box got wet because the radio won't turn off when I open the doors even with the key out. I pulled the cowl, and there is no debris or even water, or clogged drains. Anyone have an idea how much it is to replace the SJB? And where else would I look for the leak?