lower right-hand corner of the dashboard

For a 1994 Freightliner FL80, the primary fuse and relay panel is located inside the cab, behind an access panel on the (passenger side) . Primary Fuse Box Location & Access

⚡ Relay Reference (Common)

Crucial Note:

In 1994, Freightliner was transitioning between wiring harness suppliers. Some FL80s have a single fuse panel under the dash; others have a primary fuse box under the hood plus a secondary relay panel. Your exact 1994 Freightliner FL80 fuse box diagram may vary based on:

Auxiliary Fuse Block (Behind Glove Box)

| Fuse # | Amp | Circuit / Component | |--------|-----|----------------------| | 1 | 30 | Ignition switch feed | | 2 | 15 | Turn signals / flasher | | 3 | 10 | Instrument cluster lights | | 4 | 20 | Windshield wipers | | 5 | 15 | Heater blower motor | | 6 | 10 | Clearance/marker lights | | 7 | 20 | Stop lamps | | 8 | 15 | Backup lights | | 9 | 30 | Power windows (if equipped) | | 10 | 10 | Radio / Cigar lighter | | 11 | 20 | Trailer running lights | | 12 | 15 | A/C clutch | | 13 | 20 | Headlight dimmer relay | | 14 | 10 | ABS control module power | | 15 | 15 | Cruise control | | 16 | 30 | Starter relay |

The panel usually contains glass fuses (ATO/ATC style) for standard circuits and metal strip circuit breakers for heavy-duty applications (like wipers and lights).