the light fuse?

im hooking up the white wire from a tach for my dads 69...

and well....

some of the writing on the fusebox is scraped off and/or hard to read

i dunno which one of the connections is for the lights for the fusebox underneath the dash

can anyone help me out please....

there looks like a bottom left hand corner one that says...i think...LPS...

assuming that stands for lamps...assuming that means LIGHTS...lol