Hi I have a 1990 Nissan pickup 4 cylinder stick shift, when you depress the clutch pedal and turn the ignition switch on. You can hear the starter relay clicking, but engine wont rotate, had starter and solenoide cheched-OK, replaced starter relay, replaced clutch pedal switch, and replaced battery. Where do I go from here- please help.

maybe ground

starter relay under hood right side // double blue relaytry tapping on it while somone is turning key /if it starts /replace relay

Ignition switch?