Question: What are the steps and thought process to determine why excessive current has blown the tail-light fuse?
Symptom: night running lights failed to illuminate when engaging headlights.
Problem: Fuse 28 was blown. Replacing the fuse seems to have (at least temporarily) solved the problem.
Factoid Wondering if the root cause has something to do with the unusual high blinking-rate of the left turn signal.
After fuse replacement, night running lights are functioning:
I would like to understand why the fuse blew and fix the root cause of the problem.