Enhanced RVR's Game Creator 2 / Ragdoll Animator 2 integration from https://www.youtube.com/watch?v=3IepLlMrpzk to take note of the position delta between Controller and Ragdoll. This is to avoid that the Controller is positioned too low upon position swap.

gistfile1.txt

using UnityEngine;
using System.Collections;

public class PositionSwapper : MonoBehaviour
{
    // GameObject fields for Controller, Mannequin, and Ragdoll
    public GameObject Controller;
    public GameObject Mannequin;
    public GameObject Ragdoll;

    // Public field for delay
    public float Delay;

    // Stores the difference between GC2's character controller and the Ragdoll Animator 2 ragdoll
    private Vector3 _delta;

    void Awake()
    {
        // Record delta with a little delay so the active ragdoll comes to rest
        Invoke("RecordDelta", 0.5f);
    }

    private void RecordDelta()
    {
        _delta = Controller.transform.position - Ragdoll.transform.position;
    }

    // Public method Execute
    public void Execute()
    {
        StartCoroutine(ExecuteWithDelay());
    }

    // Coroutine to handle the delay
    private IEnumerator ExecuteWithDelay()
    {
        // Wait for the specified delay
        yield return new WaitForSeconds(Delay);

        // Store the global position and rotation of Ragdoll
        Vector3 ragdollPosition = Ragdoll.transform.position;
        Quaternion ragdollRotation = Ragdoll.transform.rotation;

        // Unparent Ragdoll from Mannequin
        Ragdoll.transform.parent = null;

        // Set the global position and rotation of Controller to that of Ragdoll
        Controller.transform.position = ragdollPosition + _delta; // Add the delta which was previously stored
        Controller.transform.rotation = ragdollRotation;

        // Reparent Ragdoll to Mannequin
        Ragdoll.transform.parent = Mannequin.transform;

        // Set the local position and rotation of Ragdoll to 0
        Ragdoll.transform.localPosition = Vector3.zero;
        Ragdoll.transform.localRotation = Quaternion.identity;
    }
}