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Ford Standard Wire Color Code Chart - Circuits 1-207 Wiring Colors (Page 1)

Standard wire color code reference table mapping circuit numbers to descriptions and wire colors (e.g. horn switch to horn relay, headlamp dimmer to high/low beams) for a Ford truck electrical system.

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This is page 5 of a Ford wiring reference, titled "Standard Wire Color Code Chart." It is a two-panel table listing numbered electrical circuits, a description of each circuit's function (which components it connects), and the corresponding standard wire color or color-with-stripe combination. The left half of the page covers circuits 1 through 95, pairing each with its wire color — for example, circuit 1 (horn switch to horn relay) is blue with a yellow stripe, circuit 21 (battery to ignition switch feed) is yellow, circuit 32 (ignition switch to starter motor relay) is red with a blue stripe, and circuit 44 (turn signal flasher to turn signal switch) is blue. The right half lists circuits 96 through 207 (covering wipers, door locks, two/three-speed axle, air conditioning, speed control, glow plugs, marker lamps, and more), but the right edge of the scan is cut off, so those descriptions are truncated and their wire colors are not visible. Readers can use this chart to identify a wire's function from its color (or vice versa) when tracing or repairing a vehicle harness. The page was uploaded as part of a multi-page wiring documentation set for a 1979 Ford Bronco, though the chart itself states no year, make, or model.

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Frequently asked questions

What wire color is circuit 32, ignition switch to starter motor relay?
Per the chart, circuit 32 (ignition switch to starter motor relay) is red with a blue stripe.
What color is the headlamp dimmer switch to high beams wire (circuit 12)?
Circuit 12, headlamp dimmer switch to high beams, is listed as green with a black stripe.
What circuit number and color is the battery to ignition switch feed?
Circuit 21 is the battery to ignition switch feed, and its wire color is yellow.
What color is the turn signal flasher to turn signal switch wire?
Circuit 44, turn signal flasher to turn signal switch, is a solid blue wire.
Which circuits does this page of the wire color chart cover?
The page covers circuits 1 through 207 (with some numbers skipped). Colors are legible for circuits 1–95; descriptions for circuits 96–207 are shown but cut off at the right edge of the scan, and their colors are not visible.

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