What wire circuit feeds the dual brake warning indicator lamp?

Circuit 977 P-W (purple-white), which runs from the printed circuit through connectors C-306 and C-307 to the dual brake warning switch.

What wire goes from the oil pressure warning lamp to the oil pressure switch?

Circuit 31 W-R (white-red), passing through connectors C-220 and C-309 to the oil pressure switch, which is grounded.

What are the ignition switch positions shown on this diagram?

S-Start, R-Run, 0-Off, and A-Accy, at connector C-412.

What wires are in connector C-208 at the rear of the instrument cluster (without gauges)?

57 BK, 39 R-W, 19 BL-R, 2 W-BL, 904 GR-R, 34 GR-BK, 181 0, 977 P-W, 3 GR-W, 31 W-R, 30 BK-GR, 640 R-Y, 48 BK, 286 0, and 670 PK. It is a gray connector, part 14401.

Where is connector C-306 located and what wires does it carry?

On the L.H. fender apron (part 14405); it carries 977 P-W, 57 BK, 286 0, 285 BR, 140 BK-R, 283 Y-BK, and 282 GR.

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1979 Ford Bronco Instrument Cluster Wiring Diagram - C-208/C-208A Pinouts

Wiring diagram of ignition switch, brake and oil pressure warning circuits with connector pinouts

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Wiring diagram showing ignition switch, dual brake and oil pressure warning circuits with color-coded wires and connector pinout charts.

AI caption February 2013 · Photo 45 of 104

This is one page of a factory-style Ford wiring schematic set covering the instrument cluster warning lamp circuits. The schematic (grid rows A–F) shows the ignition switch with its positions (S-Start, R-Run, 0-Off, A-Accy) and connector C-412, feeding the dual brake warning indicator lamp and oil pressure warning indicator lamp on the printed circuit, through the dual brake warning switch (via connectors C-306/C-307, circuit 977 P-W) and the oil pressure switch (via C-220/C-309, circuit 31 W-R). Numerous circuit numbers with wire colors are labeled, including 526 BK-W, 297 BK-GR, 16 R-GR, 32 R-BL, 732 W, 904 GR-R, 640 R-Y, 181 0, and 21 Y, plus splices S-401 and S-504. The note "WITHOUT GAGES" applies to part of the diagram. The lower portion contains connector pinout drawings: C-208 (14401, gray, rear of instrument cluster, printed circuit without gauges) with 15 circuit/color entries; C-208A (14401, gray, rear of instrument cluster, printed circuit with gauges); C-212 (engine compartment, center of dash panel); C-220 (engine compartment near dash, 14289); and C-306 (L.H. fender apron, 14405) with its wire list. Useful for tracing cluster wiring, connector pin colors, and warning lamp circuits.

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Frequently asked questions

What wire circuit feeds the dual brake warning indicator lamp?: Circuit 977 P-W (purple-white), which runs from the printed circuit through connectors C-306 and C-307 to the dual brake warning switch.
What wire goes from the oil pressure warning lamp to the oil pressure switch?: Circuit 31 W-R (white-red), passing through connectors C-220 and C-309 to the oil pressure switch, which is grounded.
What are the ignition switch positions shown on this diagram?: S-Start, R-Run, 0-Off, and A-Accy, at connector C-412.
What wires are in connector C-208 at the rear of the instrument cluster (without gauges)?: 57 BK, 39 R-W, 19 BL-R, 2 W-BL, 904 GR-R, 34 GR-BK, 181 0, 977 P-W, 3 GR-W, 31 W-R, 30 BK-GR, 640 R-Y, 48 BK, 286 0, and 670 PK. It is a gray connector, part 14401.
Where is connector C-306 located and what wires does it carry?: On the L.H. fender apron (part 14405); it carries 977 P-W, 57 BK, 286 0, 285 BR, 140 BK-R, 283 Y-BK, and 282 GR.