What fuse powers the exterior park and tail lamps in this diagram?

A 15A fuse in position 7 of the Power Distribution Box (hot at all times, shown on page 13-2), feeding wire 195 T/W to the main light switch.

What wire color feeds the park, tail, and marker lamps?

A 14-gauge BR (brown) wire feeds all the exterior lamps; the ground side of each lamp is a 57 BK (black) wire.

Where do the exterior lamp circuits ground?

Through 57 BK wires to splices S104 and S401, then to grounds G103 (see grounds page 10-5) and G104 (see grounds page 10-6).

Which connectors serve the rear stop/park/turn and tail/side marker lamps?

C404 (left stop/park/turn), C405 (right stop/park/turn), C408 (left tail/side marker), C409 (right tail/side marker), and C401/C402 for the license lamps on the rear bumper.

When does the headlamp switch send power to these lamps?

When the switch is in the PARK or HEAD position, or when the park lamp relay is closed, per the diagram's note.

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1997 Ford Exterior Lamps Wiring Diagram 092-001 - Park, Tail & License Lights

Exterior lamps wiring diagram 092-001 with park, turn, tail and marker lamps

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Automotive wiring diagram for exterior lamps showing park/turn, stop/turn, tail and side marker lamps with color-coded circuits.

AI caption April 2009 · Photo 843 of 4867

This is page 092-001, "Exterior Lamps," a Ford factory-style wiring diagram covering the park/tail/marker lamp circuit. Power originates at the Power Distribution Box (fuse position 7, 15A, hot at all times, wire 195 T/W) and passes through the Main Light Switch (pages 13-17, switch testing on page 149-1), which directs current to the exterior lamps when in PARK or HEAD position. A single 14-gauge BR (brown) feed wire runs through connectors C245, C158F/C158M, C148M/C148F, C403M/C403F, and C400F/C400M and splices S224, S115, S403, and S404 to feed the left/right front park/turn lamps (C145, C135), left/right stop/park/turn lamps (C404, C405), left/right tail/side marker lamps (C408, C409), and two license lamps (C401, C402) on rear-bumper-equipped trucks. Branch circuits reference the Trailer Electric Brake Control and Trailer Tow Running Lamp Relay (page 95-3), and body-style variations are noted for flare-side and rear-bumper configurations. All lamps ground via 57 BK (black) wires to splices S104/S401 and grounds G103 and G104 (grounds pages 10-5 and 10-6). A footnote states the headlamp switch must be in PARK or HEAD, or the park lamp relay closed, for the circuit to be live.

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Frequently asked questions

What fuse powers the exterior park and tail lamps in this diagram?: A 15A fuse in position 7 of the Power Distribution Box (hot at all times, shown on page 13-2), feeding wire 195 T/W to the main light switch.
What wire color feeds the park, tail, and marker lamps?: A 14-gauge BR (brown) wire feeds all the exterior lamps; the ground side of each lamp is a 57 BK (black) wire.
Where do the exterior lamp circuits ground?: Through 57 BK wires to splices S104 and S401, then to grounds G103 (see grounds page 10-5) and G104 (see grounds page 10-6).
Which connectors serve the rear stop/park/turn and tail/side marker lamps?: C404 (left stop/park/turn), C405 (right stop/park/turn), C408 (left tail/side marker), C409 (right tail/side marker), and C401/C402 for the license lamps on the rear bumper.
When does the headlamp switch send power to these lamps?: When the switch is in the PARK or HEAD position, or when the park lamp relay is closed, per the diagram's note.