dash lights inop

[towman1970]

my dash lights are inop i have power at the fuse both sides but its not getting up to the guage cluster i followed the wires but i cannot find any breaks i also tested the guage cluster itself from behind it and the lights do work whats wrong help!!!!

 

[got3chevys]

mostlikely the dimmer switch (in the headlight switch) is no good, test or replace it