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Ford Standard Wire Color Code Chart Circuits 208-593 - Wiring Reference Page 6

Continued wire color code reference mapping circuit numbers to descriptions and wire colors for HVAC, 3-speed axle, alternator and brake skid control circuits on a heavy-duty Ford truck.

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This document is page 6 of a Ford service manual introduction section titled "STANDARD WIRE COLOR CODE CHART (Continued)." It is a continuation page of a multi-page wiring circuit reference listing standard Ford circuit numbers, their functional descriptions, and their standard wire colors. The left column covers circuits 208 through 373, showing both the circuit description (e.g., circuit 262 "Starter Motor Relay to Ign. Coil 'I' Term." — Brown; circuit 286 "Fuel Gauge Indicator to Tank Sending Unit" — Orange; circuit 297 "Ign. Sw. (Accy. Term) to Fuse Panel Accy. Feed" — Black-Green Stripe) and its wire color, including striped combinations such as Red-White Stripe, Yellow-Black Stripe, and Orange-White Stripe. The right column lists circuits 374 through 593 with descriptions (horn, emergency flasher, window regulator, seat belt warning, stoplamp relay, fog lamp, speed control, intermittent wiper governor circuits, etc.), though the color column on that side is cut off at the scan's right edge. A reader can use this chart to identify the standard wire color for a given circuit number when tracing or repairing factory wiring, particularly for heater/blower, air conditioning, turn signal, windshield wiper/washer, and charging system circuits on vintage Ford vehicles.

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Frequently asked questions

What wire color is Ford circuit 262 (starter motor relay to ignition coil 'I' terminal)?
According to the chart, circuit 262 (Starter Motor Relay to Ign. Coil "I" Term.) uses a Brown wire.
What color is the fuel gauge sender wire (circuit 286)?
Circuit 286, Fuel Gauge Indicator to Tank Sending Unit, is Orange.
What are the wire colors for the heater blower motor speeds?
Circuit 268 Heater Sw. to Heater Blower Motor (Low) is Red-Black Stripe, circuit 269 (Medium) is Blue-Red Stripe, and circuit 270 (High) is Black-Yellow Stripe.
What color are the rear turn signal wires (circuits 282 and 283)?
Circuit 282, Turn Signal Sw. to RH Rear Turn Signal Lamp, is Green; circuit 283, Turn Signal Sw. to LH Rear Turn Signal Lamp, is Yellow-Black Stripe.
What circuit number is battery feed to the stoplamp switch and what color is it?
Circuit 284, Battery Feed to Stoplamp Switch, is Red.

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