Low beams won't cxome on on 1995 Nissan 300ZX

1995 300zx both low beams won't come on just started last night all other lights work, relay is good swapped with alarm relay to check and no fuses are blown. Have owned the car 4 years with no problems like this.

Asked by for the 1995 Nissan 300ZX
Suspect prob at the dimmer switch. Need to carefully inspect the system.