hi to every one nead some infore im fitting towbar to my car with 2 sockets s/n and i nead 2 power supplys instead off running wire thro car to battery like to take live fead from fuse box

in the fuse box pin 11,24 are battery voltage 25a
19,26 terminals

can i use one off these above for live fead

live feads r for 7way bypass relay lighting
and live fead for charging relay