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1979 Ford Bronco F100-F350 Interior Light Systems Diagram - Dome & Courtesy
Reference · 1978-1979 BroncoAll 48 service procedures
Cutaway locator drawing of interior lighting components: dome light, vanity mirror, cargo light, instrument illumination, dome/courtesy light switch, cigar lighter, and headlight switch on a Ford pickup.
Part of 1978-1979 Ford Bronco Service Procedures
This is page 23 of a Ford electrical reference document (part of a set covering the 1979 Bronco and F100 through F350 trucks) titled "Interior Light Systems." It covers control and instrument lights, the dome light/courtesy light, and the cigar lighter. The page consists of a large isometric cutaway illustration of a Ford pickup truck with the interior lighting circuit paths drawn in red. Labeled components include the dome light, cargo light and cargo light switch, visor vanity mirror, glove box light, ash tray light, radio light, heater A/C control illumination, instrument cluster with illumination and warning lights, cigar lighter, headlight switch, fuse panel, and the right-hand and left-hand door jamb switches. Connector and splice identifiers shown along the wiring routes include C706, C707, C513, C506, C601, C208, S806, C701, C702, and C703. A note at the bottom warns that frequent burning out of lamps or fuses indicates a severe voltage problem that should be repaired immediately. The page is useful for locating interior lighting components and their connector points when diagnosing courtesy/dome light, instrument illumination, or cigar lighter circuit problems.
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Frequently asked questions
- What components are covered in the Interior Light Systems diagram?
- The diagram covers control and instrument lights, the dome light/courtesy light, and the cigar lighter, including the cargo light, glove box light, ash tray light, radio light, heater A/C control illumination, instrument cluster illumination and warning lights, headlight switch, fuse panel, visor vanity mirror, and door jamb switches.
- What connector numbers are shown for the interior lighting circuits?
- The diagram labels connectors and a splice: C706, C707, C513, C506, C601, C208, S806, C701, C702, and C703 (used at both the right-hand and left-hand door jamb switches).
- What does frequent burning out of lamps or fuses indicate?
- According to the note on the page, frequent burning out of lamps (or fuses) is an indication of a severe voltage problem and should be repaired immediately.
- Which connector is associated with the door jamb switches?
- C703 is shown at both the right-hand door jamb switch and the left-hand doorjamb switch.
- Where is the fuse panel shown relative to the interior lighting circuits?
- The fuse panel is shown inside the cab near connectors C701 and C702, feeding the interior lighting circuits including the dome light, cargo light, and courtesy lighting.
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