94 cavalier rear defrost

having problem with rear defrost push switch no light no click no nothing. checked all fuses. is there good place to get a wireing diagram?
is there some where else to check before i start tracing wires?

having problem with rear defrost push switch no light no click no nothing. checked all fuses. is there good place to get a wireing diagram?
is there some where else to check before i start tracing wires?


i have same problem with my 98 calv z24. deforst light come i hear a click but no deforst. i check fuse and power are good...