1994 Freightliner Fl80 Fuse Box Diagram — ((top))
Often shared or adjacent to the hazard circuit. Wipers: Often a 20A or 25A fuse located in the upper row.
Some FLD-derived models house a fuse box in the center, beneath the dashboard under the cup holder area.
: If the truck won't start or has no power to the dash, inspect the constant power fuses near the batteries first. 1994 freightliner fl80 fuse box diagram
For a 1994 Freightliner FL80, the primary fuse and relay panel is typically located behind an access panel below the . To access this panel, you must remove the fasteners that attach the cover to the cab floor. Main Fuse Panel Layout
| Fuse Position | Amperage | Circuit / Component Protected | |---------------|----------|-------------------------------| | 1 | 15A | Left Headlamp (Low Beam) | | 2 | 15A | Right Headlamp (Low Beam) | | 3 | 10A | Left Turn Signal / Parking Light | | 4 | 10A | Right Turn Signal / Parking Light | | 5 | 20A | Windshield Wiper / Washer Motor | | 6 | 25A | HVAC Blower Motor (High Speed) | | 7 | 10A | Instrument Cluster (Gauges, Warning Lights) | | 8 | 15A | Radio / Cigarette Lighter / 12V Power Port | | 9 | 5A | ECM Keep-Alive Memory (if equipped) | | 10 | 15A | Back-up Lamps / Reverse Switch | | 11 | 20A | Stop Lamps (Brake Lights) | | 12 | 10A | Marker / Clearance Lights | | 13 | 15A | Horn / Dome Light | | 14 | Circuit Breaker (20A) | Power Door Locks (if equipped) | | 15 | 30A | Main Ignition Switch Feed | Often shared or adjacent to the hazard circuit
Routes high-amperage battery power directly to the starter solenoid when executing a key turn.
While the layout can vary, many FL80s from this era share similar fuse and relay charts. The following table is a common example found in some Freightliner manuals and is very likely to be similar to what you'll find in your 1994 FL80. : If the truck won't start or has
If the heater isn't blowing air, the fuse is located in the main dash panel. You can test these fuses without removing them by using a test light on the two small metal tabs on top of the fuse. Maintenance Tips