What fuse powers the headlight circuit hot at all times on this diagram?

Battery Junction Box Fuse 3, rated 30A, on a DK BLU/ORG wire; a second hot-at-all-times feed goes through Fuse 9, 15A (ORG/LT GRN) for the fog lamp relay.

Which Central Junction Box fuses feed the headlamps?

Fuse 16 (20A, LT GRN/BLK), Fuse 28 (10A, DK BLU/WHT and DK GRN/ORG legs), and Fuse 27 (5A, WHT/BLK).

What wire color feeds the fog lamps?

TAN/ORG from pin 5 of the Fog Lamp Relay in the Battery Junction Box, through splice S147 to both left and right fog lamps; their grounds are BLK.

Where does the hi-beam indicator connect?

In the instrument cluster at pin 12 of connector C238 on a GRY/WHT wire, grounding through pin 1 of C236 on BLK via S204 to G200.

Does this diagram apply to both Expedition and Navigator?

Yes — the right headlamp ground splice is labeled S104 (EXPEDITION) and S103 (NAVIGATOR), showing the diagram covers both vehicles.

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2002 Ford Expedition / Navigator Headlight & Fog Lamp Wiring Diagram

Automotive wiring diagram with color-coded wires, fuses, relays, and connector callouts

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Wiring diagram showing headlamp, fog lamp, and lighting circuits with color-coded wires and connectors.

AI caption July 2014 · Photo 2098 of 3001

This is a scanned exterior lighting wiring diagram covering the headlamp and fog lamp circuits for a Ford Expedition / Lincoln Navigator (splice callouts S104 'EXPEDITION' and S103 'NAVIGATOR' appear at the right headlamp ground path). Power feeds include a Hot-in-Start-or-Run feed through Central Junction Box Fuse 29 (5A), a Hot-at-All-Times feed through Battery Junction Box Fuse 3 (30A), and another Hot-at-All-Times feed through Fuse 9 (15A). The diagram traces circuits through the Autolamp Module, Central Security Module, Main Light Switch (OFF/PARK/HEAD/AUTO positions), Multi-Function Switch (HI/LO/PASS), Headlamp Relay in the RPO Relay Box, Central Junction Box fuses 16 (20A), 28 (10A), and 27 (5A), the Fog Lamp Switch with Fog-On Indicator, Fog Lamp Relay in the Battery Junction Box, the Hi-Beam Indicator in the instrument cluster, and both left/right headlamps and fog lamps. Wire colors (RED/YEL, DK BLU/ORG, LT GRN/BLK, DK BLU/WHT, DK GRN/ORG, TAN/ORG, GRY/ORG, WHT/BLK, etc.), connector numbers (C242, C243, C246, C257, C259, C236/C238), splices, and grounds (G200, G103, G104) are labeled. Useful for diagnosing no-headlight, no-fog-lamp, autolamp, and high-beam indicator problems.

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Frequently asked questions

What fuse powers the headlight circuit hot at all times on this diagram?: Battery Junction Box Fuse 3, rated 30A, on a DK BLU/ORG wire; a second hot-at-all-times feed goes through Fuse 9, 15A (ORG/LT GRN) for the fog lamp relay.
Which Central Junction Box fuses feed the headlamps?: Fuse 16 (20A, LT GRN/BLK), Fuse 28 (10A, DK BLU/WHT and DK GRN/ORG legs), and Fuse 27 (5A, WHT/BLK).
What wire color feeds the fog lamps?: TAN/ORG from pin 5 of the Fog Lamp Relay in the Battery Junction Box, through splice S147 to both left and right fog lamps; their grounds are BLK.
Where does the hi-beam indicator connect?: In the instrument cluster at pin 12 of connector C238 on a GRY/WHT wire, grounding through pin 1 of C236 on BLK via S204 to G200.
Does this diagram apply to both Expedition and Navigator?: Yes — the right headlamp ground splice is labeled S104 (EXPEDITION) and S103 (NAVIGATOR), showing the diagram covers both vehicles.