Turn signals usually run off a round flasher relay located at the bottom of the main fuse panel. If your park lights are out, check the headlight switch circuit specifically, as these are often fused together.
While specific stickers may be missing, the standard 1990s Business Class FL-Series typically follows this general layout for its main panel fuses: 1994 freightliner fl80 fuse box diagram
, check for power on both sides of each fuse; if only one side has power, that fuse is blown. Essential Documentation Turn signals usually run off a round flasher
If you tell me which isn't working, I can help you narrow down the exact fuse or relay to check. Essential Documentation If you tell me which isn't
To replace a blown fuse, follow these steps:
In heavy-duty trucks like the FL80, you will often see silver metal strips inserted into the fuse box rather than colored plastic fuses. These are .