What fuse powers the courtesy lamps on a 1992 Ford Bronco?

Fuse 8, a 15A fuse in the fuse panel (hot at all times), feeds the courtesy lamp circuit on wire 54 LG/Y. See fuse panel page 13-13 and power distribution page 13-17.

What wire color is the courtesy lamp power feed?

Circuit 54, light green/yellow (LG/Y), is the battery feed to all courtesy, dome, map, cargo, and glove compartment lamps.

How do the door switches turn on the courtesy lamps?

The right (G262) and left (G263) front courtesy lamp switches close with the door open and ground circuit 53 BK/LB, completing the lamp circuits. The left switch also feeds the warning chime via circuit 159 R/PK.

How does the headlight switch control the dome lamp?

The main light switch (page 13-20; testing page 149-1) has a DOME position that grounds circuit 55 BK/PK to turn on the interior lamps.

What ground circuits do the courtesy lamps use?

The lamps return to ground on circuit 57 BK through grounds such as S203, G201, and S308 (see grounds pages 10-11 and 10-13).

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1992 Ford Bronco Courtesy Lamps Wiring Diagram - Dome, Cargo & Map Lights

1992 Bronco courtesy lamps wiring diagram with color-coded circuits

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Wiring diagram for 1992 Bronco courtesy lamps showing door switches, dome lamps and color-coded circuit paths.

AI caption October 2005 · Photo 109 of 277

This document is a factory-style wiring diagram for the courtesy lamp circuit of a 1992 Ford Bronco. Power comes from fuse 8 (15A) in the fuse panel (hot at all times, referenced to Power Distribution page 13-17) on circuit 54 LG/Y (light green/yellow). The feed distributes through splices S214, S251, and connectors G200/G263/G300 to the glove compartment lamp, right and left front courtesy lamp switches (closed with door open), the main light switch DOME position (page 13-20, switch testing page 149-1), power mirrors (page 124-), the warning chime (circuit 159 R/PK, page 66-1), front door courtesy lamps, inside cargo lamp, outside cargo/high mount stop lamps (with turn/stop hazard lamp interface via circuit 810 R/LG, page 90-2), and map/dome lamps in both with-map-lamps and without-map-lamps configurations. Ground return is via circuit 57 BK through grounds G201, S203, S308, and others (grounds pages 10-11 and 10-13). Switched grounds use circuits 53 BK/LB (door switches) and 55 BK/PK (headlight switch dome position). The diagram identifies all connectors, splices, and wire colors, making it useful for diagnosing dome, courtesy, cargo, glove box, and map lamp faults on a 1992 Bronco.

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Frequently asked questions

What fuse powers the courtesy lamps on a 1992 Ford Bronco?: Fuse 8, a 15A fuse in the fuse panel (hot at all times), feeds the courtesy lamp circuit on wire 54 LG/Y. See fuse panel page 13-13 and power distribution page 13-17.
What wire color is the courtesy lamp power feed?: Circuit 54, light green/yellow (LG/Y), is the battery feed to all courtesy, dome, map, cargo, and glove compartment lamps.
How do the door switches turn on the courtesy lamps?: The right (G262) and left (G263) front courtesy lamp switches close with the door open and ground circuit 53 BK/LB, completing the lamp circuits. The left switch also feeds the warning chime via circuit 159 R/PK.
How does the headlight switch control the dome lamp?: The main light switch (page 13-20; testing page 149-1) has a DOME position that grounds circuit 55 BK/PK to turn on the interior lamps.
What ground circuits do the courtesy lamps use?: The lamps return to ground on circuit 57 BK through grounds such as S203, G201, and S308 (see grounds pages 10-11 and 10-13).