sevenoutseven

i have a 1993 z28 camaro 5.7 6 speed. this just started happening. when i start my car my turn signals,heater,back up lights, or fan.does not come on i was messing around one day testing wires and i turned my key forward and back and forth and everything works well sometimes it works and alot of times it doesnt so only if i turn my ignition it will come on but if i release if everything doesnt work . would it be my ignition key swith or my ignition swith? or no i need help asap. tim. thanks