It seems like the leads on the Ammeter might be reversed, or they could have been switched at the terminal box posts. Fortunately, it's a simple solution. Remove the instrument panel and reverse the leads on the back side of the ammeter.

Experiencing your ammeter becoming hot or warm under these conditions is not typical. This issue is often caused by loose nuts on the back of the ammeter, resulting in increased resistance and heat generation at the connection points. To resolve this problem, follow these steps...