MAD ammeter bypass question

When there is a problem, you need to find the cause.
If there is a leak in the windshield by the instrument cluster - then the connections will get damaged.
Or if there is a high current for extended length of time.
Or there are people who didn't realize there was a dead short and fried wires.
Posted about this dozens of times. What can I say. Insanity is powerful. People prefer instant answers.
A broken clock is right twice a day.
My suggestion is to learn how the system works, and that provides a tremendous power in being able to troubleshoot.