Intializing wheel collider from script using tags C#

Hey, I am trying to initialize my wheel colliders from the same script at the start function using tags. The wheel collider is tagged as “WheelColliderFL”

Code Sample

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class CarController : MonoBehaviour {

	public enum Transform // The available methods of updating are:
	{
		Mustang,
		Racer, 
	}
	[SerializeField] private Transform CarType;
	
	public WheelCollider FL;
	public WheelCollider FR;
	public WheelCollider RL;
	public WheelCollider RR;
	public GameObject WheelFLTransform;
	public GameObject WheelFRTransform;
	public GameObject WheelRLTransform;
	public GameObject WheelRRTransform;
	public float maxMotorTorque;
	public float maxHandbrakeTorque;
	public float maxSteeringAngle;
	public float reverseMotorTorque;
	public Text speed;
		
	private bool race;
	private bool brake;
	private bool handbrake;
		
	public float currentSpeed;
	public float topSpeed;
	public float reverseSpeed;
	public float Downforce;
		
		void Start ()
		{
		race = false;
		brake = false;
		handbrake = false;

		if (CarType == Transform.Mustang) {
			//error occurs here
			FL=GameObject.FindWithTag("MustangWheelColliderFL");
			FR=GameObject.FindWithTag("MustangWheelColliderFR");
			RL=GameObject.FindWithTag("MustangWheelColliderRL");
			RR=GameObject.FindWithTag("MustangWheelColliderRR");


			WheelFLTransform=GameObject.FindWithTag("MustangWheelFL");
			WheelFRTransform=GameObject.FindWithTag("MustangWheelFR");
			WheelRLTransform=GameObject.FindWithTag("MustangWheelRL");
			WheelRRTransform=GameObject.FindWithTag("MustangWheelRR");
			maxMotorTorque = 1150;
			maxHandbrakeTorque = 100000000;
			maxSteeringAngle = 30;
			reverseMotorTorque = -5000;
			topSpeed = 200;
			reverseSpeed = 50;

		}

I am getting this error.
error CS0029: Cannot implicitly convert type UnityEngine.GameObject' to UnityEngine.WheelCollider’

I get what it means but i need to find a way around it.
Any ideas. C# please. Kind of a knob in js.

GameObject.FindWithTag will return a GameObject you need to get its Component :

FL=GameObject.FindWithTag("MustangWheelColliderFL").GetComponent<WheelCollider>();
			FR=GameObject.FindWithTag("MustangWheelColliderFR").GetComponent<WheelCollider>();
			RL=GameObject.FindWithTag("MustangWheelColliderRL").GetComponent<WheelCollider>();
			RR=GameObject.FindWithTag("MustangWheelColliderRR").GetComponent<WheelCollider>();