helping my buddy on this one we installed a modifry side marker module on his car last week and it worked perfectly for about 3-4 days... now the side markers dont light up with the head lights on and as soon as he turns the parking lights on he blows the fuse in his car..... so we take the module off and put it back to stock..... and it still does it anyone got any clue as to what it can be...... oh and an update none of the interior light come on when he turns his lights on very confused please help