when i connect my battery my fans turn on and one of my brake lines starts to smoke. nothing is touching the line and my key isnt forward for the fans. any ideas?

 

I would follow that brake line to see if you are shorting out somewhere along the line..............

 

i did , there is no wires touching any of the lines . but that line is touching my headers tho.but my headers arent getting it hot cuz i havent started it yet(just put the engine in)

 

Follow the header then. You obviously have a short. Check the fan wiring to see if it melted on the header. Check anywhere around the exhaust to see if any wires welded themselves to the piping. check the starter wire also since it runs so close.