Which fuse powers the courtesy lamps on a Bronco with cargo lamp?

Fuse 8, a 15A fuse in the fuse panel (see pages 12-3 and 12-5), on a hot-at-all-times feed via circuit 54 LG/Y.

What wire colors are used in the Bronco courtesy lamp circuit?

Circuit 54 is LG/Y (light green/yellow) power feed, circuit 53 is BK/LB (black/light blue) from the door jamb switches, circuit 55 is BK/PK (black/pink) from the main light switch, circuit 57 is BK (black) ground, and circuit 159 is R/PK to the warning chime.

What is the part number of the cargo lamp diode?

E9DB-14A604-CA, shown between circuit 54 LG/Y and circuit 53 BK/LB at the cargo lamp.

How do the door jamb switches work in this circuit?

Both the left and right door jamb switches are closed with the door open, completing the 53 BK/LB circuit to turn on the courtesy/dome lamps.

Where are the grounds for this circuit?

G201 grounds the cargo lamp and glove compartment lamp via circuit 57 BK, and G100 grounds the radio via circuit 694 R; ground location details are on pages 10-11 and 10-12.

Home/ Registry/ Ford/ Bronco/ 1987-1991/ “Eddie Bauer”/ Photo supermotors.net/registry/media/1052679

1990 Ford Bronco Courtesy Lamps Wiring Diagram 89-2 - Dome & Cargo Lamp Circuit

1995 Bronco courtesy lamps wiring diagram with dome, map, cargo lamps and door switches

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Wiring diagram of the courtesy lamps circuit showing dome, map and cargo lamps, door jamb switches and color-coded wires.

Part of 1987-1991 Ford Bronco Wiring Diagrams

AI caption March 2015 · Photo 1712 of 1787

This document is page 89-2 of a Ford factory wiring diagram covering the Courtesy Lamps circuit for a Bronco equipped with a cargo lamp. Power comes from fuse 8 (15A) in the fuse panel (referenced to pages 12-3 and 12-5) on a hot-at-all-times feed, distributed via circuit 54 LG/Y (light green/yellow) through splices S214 and S159 to the main light switch (switch terminal detail on page 149-1), left and right door jamb switches (closed with door open), the glove compartment lamp, and the radio (page 130-1). The door jamb switches ground the lamps through circuit 53 BK/LB (black/light blue), while circuit 55 BK/PK (black/pink) from the main light switch provides the headlight-switch-controlled path. A cargo lamp diode (part E9DB-14A604-CA) isolates the cargo lamp circuit. The diagram shows connectors C200, C257, C300, C301, splices S160, S203, S301, S303, S304, S305, and grounds G100 and G201 (ground locations on pages 10-11 and 10-12). Loads include the cargo lamp (with continuous and switched contacts), dome lamp, map/dome lamps, and glove compartment lamp. The warning chime interface (circuit 159 R/PK, page 66-1) ties into the left door jamb switch. Readers can trace wire colors, circuit numbers, connector/splice points, and grounds for courtesy lighting diagnostics.

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Frequently asked questions

Which fuse powers the courtesy lamps on a Bronco with cargo lamp?: Fuse 8, a 15A fuse in the fuse panel (see pages 12-3 and 12-5), on a hot-at-all-times feed via circuit 54 LG/Y.
What wire colors are used in the Bronco courtesy lamp circuit?: Circuit 54 is LG/Y (light green/yellow) power feed, circuit 53 is BK/LB (black/light blue) from the door jamb switches, circuit 55 is BK/PK (black/pink) from the main light switch, circuit 57 is BK (black) ground, and circuit 159 is R/PK to the warning chime.
What is the part number of the cargo lamp diode?: E9DB-14A604-CA, shown between circuit 54 LG/Y and circuit 53 BK/LB at the cargo lamp.
How do the door jamb switches work in this circuit?: Both the left and right door jamb switches are closed with the door open, completing the 53 BK/LB circuit to turn on the courtesy/dome lamps.
Where are the grounds for this circuit?: G201 grounds the cargo lamp and glove compartment lamp via circuit 57 BK, and G100 grounds the radio via circuit 694 R; ground location details are on pages 10-11 and 10-12.