AHNABMW

OK my 530 started to terminate 30a fuses from my power seat and column so this is were i go wrong i put a 40a fuse in it worked about 6 times then smoke under dash and fuse not blown, i did not see any meltdown and i unplugged column motors and seat control and front power plug on seat when i plug the plug in front seat fuse pops, not sure where my short would be because i dont now how to power up these two seperatly