VX SS not starting

[GarryVXSSLS1]

ok so i have had me vx ss with 99000 km for a year now all of a sudden i jumped in my car and started went and got fuel and car wouldnt start again all lights come on but wont crank at all just here relay switch thats it left the car over night at the servo and went in the morning to get the car and started again ? drove it for about half hour went home and half hour later was going out again and car wouldnt start again i dont know whats going wrong.
Battery is new and checked key and ignition barrel all good so if i leave the car about 6 hours it starts again but as soon as you turn it off you have to wait again another 6 hours
please help

 

[Trevor loves holden.]

If its not cranking then its either starter motor or starter relay, swap it over with the headlights.

 

[GarryVXSSLS1]

Is it not cranking or not firing?

its not cranking / firing all you can hear is the relay clicking