Hi,
If you are getting a clicking sound, that usually indicates the battery is too weak to start the engine. Also, what makes you say it is overheating? If the engine isn't running, it doesn't produce heat. Therefore, it can't be overheating.
If, however, you mean the temp gauge shows it is overheating, that too can be the result of a weak battery.
So, let's start by load testing the battery. You can do this at home.
https://www.2carpros.com/articles/car-battery-load-test
If possible, recharge the battery just to confirm it is fully charged.
https://www.2carpros.com/articles/how-to-charge-your-car-battery
One last thing. Make sure the battery terminals are clean, tight, and free of corrosion.
Let me know what you find. Also, if you can record the sound and upload it for me to hear, it may be helpful.
Take care,
Joe
Jun 29, 2021 at 2:13 AM