1994 Freightliner Fl80 Fuse Box Diagram Jun 2026

The dash panel fuse box contains the following fuses:

| Fuse Position | Amp Rating | Circuit / Component Protected | | :--- | :--- | :--- | | | 15A | Stop lamps, turn signals, hazard flashers | | 2 | 10A | Instrument cluster gauges (fuel, temp, oil pressure) | | 3 | 15A | Dome light, clearance/marker lights, dash backlighting | | 4 | 20A | Windshield wiper motor & washer pump | | 5 | 10A | Radio memory, power port (cigarette lighter) - key-off power | | 6 | 15A | Heater blower motor (low/med/high speed) | | 7 | 10A | Right-hand low beam headlamp | | 8 | 10A | Left-hand low beam headlamp | | 9 | 10A | Right-hand high beam headlamp | | 10 | 10A | Left-hand high beam headlamp & high beam indicator | | 11 | 5A | Instrument cluster illumination (dimmer controlled) | | 12 | 20A | Power door locks (if equipped), cab power seat | | 13 | 10A | A/C clutch relay, engine ECM (if electronic) | | 14 | 15A | Backup lamps, trailer reverse lights | | 15 | 30A (Circuit breaker) | Electric trailer brake controller (if factory wired) | | 16 | 25A (Circuit breaker) | Power window circuit (if equipped) | 1994 freightliner fl80 fuse box diagram

Reach under the steering column, left of the brake pedal. Look for a black, rectangular plastic cover (approx. 6” x 8”). It may have a thumb screw or a snap latch. This is the primary distribution panel for cab electronics: wipers, HVAC blower, radio, gauges, and turn signals. The dash panel fuse box contains the following

While wire colors and positions could be custom-ordered, a standard 1994 FL80 cab fuse block generally follows this pattern (standard ISO relay logic applies to the relays): It may have a thumb screw or a snap latch

: For models with a center console, the main fuse/breaker panel is often located beneath the dashboard in the center of the truck, accessible by removing the bottom panel under the cup holder area. Near the Battery Box

: Without a clear diagram, use a voltage tester or multimeter. With the ignition