Audio script not working

I have an audio script to play a little blinking sound when a collectable is picked up. So far I have not managed to get ANY of my audio scripts to play unless the source is set to play on awake. I have the listener on my 3rd person camera, I have the Audio Source attached to the collectable, and I have the assigned sound properly put in. I followed everything off the unity video tutorial but just cant get anything to work. Ive been at this on and off for days. Help would be very appreciated!!

using UnityEngine; using System.Collections;

public class BingSound : MonoBehaviour {

 public AudioClip boing;

 private AudioSource source;

 // Use this for initialization
 void Awake ()
 {
         source = GetComponent<AudioSource> ();    
 }

 void OnCollisionEnter (Collision coll)
     {
     source.PlayOneShot (boing, 1F);
 }

}