1994 Freightliner Fl80 Fuse Box Diagram !!top!! Link
If your headlights are flickering on and off while driving, . You likely have a bad connection or a failing breaker located in the engine bay box. These are metal cans (often silver or black) that plug into the panel. They are sensitive to heat; if the connections are corroded, they will trip repeatedly.
If your truck has a different body builder module (e.g., for a rollback or dump body), there will be an additional 3-4 fuse aftermarket panel mounted under the hood on the passenger side cowl. 1994 freightliner fl80 fuse box diagram
Let’s apply the to real-world problems. If your headlights are flickering on and off while driving,