1994 Freightliner - Fl80 Fuse Box Diagram
The Ultimate Guide to the 1994 Freightliner FL80 Fuse Box Diagram: Location, Layout, and Troubleshooting
If you own or operate a classic workhorse like the 1994 Freightliner FL80, you know that electrical gremlins can bring a productive day to a screeching halt. Whether your headlights flicker, turn signals fail, or the dashboard goes dark, the first place to look is the fuse box. However, finding a clear, accurate 1994 Freightliner FL80 fuse box diagram can be surprisingly challenging due to the vehicle's age and the multiple variations Freightliner produced during the mid-90s.
| Fuse Position | Amp Rating | Circuit / Component Protected | | :--- | :--- | :--- | | 1 | 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
: If exterior lights fail, check the main panel for blown fuses or corroded ground points. Speedometer/Cruise Control The Ultimate Guide to the 1994 Freightliner FL80
For highly specific or custom wiring, you can find original manuals through Freightliner's official service literature or comprehensive digital libraries like JustAnswer | Fuse Position | Amp Rating | Circuit
Most Common Electrical Problems in a 1994 FL80 & Their Fuse Fixes
Problem 1: Intermittent Wipers
Solution: This is rarely a fuse. The wiper motor park switch fails. However, check fuse #12 (25A). If blown, inspect the wiper linkage for binding.
