What wire color is circuit 950, fuse panel to washer control switch?

Circuit 950 (fuse panel to washer control switch) is listed as green with a black stripe.

What color is the wire from the headlamp switch to the low-beam headlamps?

Circuit 995, headlamp switch to lo-beam of headlamp, is listed as yellow with a black stripe.

Which circuits cover the turn signal relay wiring and what colors are they?

Circuit 985 (relay to left turn signal switch) is brown, 986 (relay to right turn signal switch) is red-blue stripe, 987 (relay to left turn cancel switch) is brown-blue stripe, and 988 (relay to right turn cancel switch) is black-yellow stripe.

What is circuit 977 and what color is it?

Circuit 977 is the brake warning switch to indicator lamp circuit, and its wire color is yellow.

What color is the transmission temperature gauge to sender wire?

Circuit 978, transmission temperature gauge to sender, is brown.

Home/ Registry/ Ford/ Bronco/ 1978-1979/ “buyers guide”/ Photo supermotors.net/registry/media/966767

Ford Wiring Code Chart Circuits 908-998 - Wire Color Codes (1979 Bronco)

Standard Wire Color Code Chart, circuits 908-998, speed regulator and turn signal

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Wire color code page covering circuits 908-998: starter motor relay lock-in coil, speed regulator/cruise control, trans neutral switch, throttle solenoid, emission modulator and turn signal switch circuits.

AI caption February 2013 · Photo 57 of 104

This document is a page from a Ford wiring circuit code chart (marked '...ODE CHART (Continued)'), listing electrical circuit numbers 908 through 998 with a description of each circuit and its standard wire color code. Each row gives the circuit number, the two endpoints of the circuit (e.g., 'STARTER MOTOR RELAY TO LOCK IN COIL', 'FUSE PANEL TO WASHER CONTROL SWITCH', 'HEADLAMP SWITCH TO HI-BEAM OF HEADLAMP'), and the corresponding insulation color or color-with-stripe combination (e.g., BLUE-WHITE STRIPE, GREEN-PURPLE STRIPE, PURPLE-WHITE STRIPE). Circuits covered include starter and ignition circuits, speed control (cruise) regulator circuits, heater blower motor, emission modulator and speed sensor circuits, windshield wiper and washer circuits, tractor-trailer circuit breaker feeds, differential and axle temperature gauge circuits, fuel control valve circuits, transmission temperature gauge, turn signal relay and cancel switch circuits, glow plug warning lamp, marker lamps, and headlamp low/high beam, worklamp, and implement lamp circuits. A reader tracing wiring in a vintage Ford vehicle can use this chart to identify a wire's function from its color code, or find which color wire runs between two components. This is one page of a multi-page wire color code set uploaded alongside other wiring diagrams for a 1979 Ford Bronco.

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Frequently asked questions

What wire color is circuit 950, fuse panel to washer control switch?: Circuit 950 (fuse panel to washer control switch) is listed as green with a black stripe.
What color is the wire from the headlamp switch to the low-beam headlamps?: Circuit 995, headlamp switch to lo-beam of headlamp, is listed as yellow with a black stripe.
Which circuits cover the turn signal relay wiring and what colors are they?: Circuit 985 (relay to left turn signal switch) is brown, 986 (relay to right turn signal switch) is red-blue stripe, 987 (relay to left turn cancel switch) is brown-blue stripe, and 988 (relay to right turn cancel switch) is black-yellow stripe.
What is circuit 977 and what color is it?: Circuit 977 is the brake warning switch to indicator lamp circuit, and its wire color is yellow.
What color is the transmission temperature gauge to sender wire?: Circuit 978, transmission temperature gauge to sender, is brown.