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Ford Mustang II Fuse Box Diagram – Fuse Panel Layout & Circuit Functions

Shop-manual fuse panel and circuit breaker legend for Ford/Mercury and Mustang II, listing each fuse amperage and the warning lights, power windows, wipers, radio and other circuits it protects.

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This is a scanned page (34-30-2, "Fuses and Circuit Breakers") from a Ford shop manual covering fuse panel layouts and circuit assignments. The top half shows the fuse panel for full-size Ford and Mercury vehicles, illustrated with numbered callouts (1-11), the accessory feed wire, ignition key warning buzzer, and hazard warning flasher; the panel is noted as located left of the steering column on the dash panel. Its legend lists circuits protected by each fuse or circuit breaker, including warning lights, radio, windshield washer/wiper, power windows, station wagon tailgate window, heater/A-C, back-up lights, courtesy lights, hazard flasher/stop lights, and cigar lighter (amp ratings on the far left are cut off by the scan). The bottom half shows the Mustang II fuse panel diagram with the turn signal flasher and hazard warning flasher locations, followed by a 12-position legend giving amperage and circuits: e.g., #1 (4 amp) cluster/illumination lamps, #4 (6 amp circuit breaker) wiper motor, #8 (20 amp) horn and cigar lighter, #9 (15 amp) dome/courtesy circuits, #11 heater (15 amp) or A/C (35 amp) motor feed, and #12 (15 amp) back-up and turn signal lamps. A reader can identify each fuse position, its rating, and the circuits it protects on a Mustang II.

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Frequently asked questions

Where is the fuse panel located on the Ford/Mercury shown in this document?
The document states the fuse panel is located left of the steering column on the dash panel.
What fuse protects the horn and cigar lighter on the Mustang II?
Fuse position 8, a 20 amp fuse, protects the horn and cigar lighter.
What rating protects the windshield wiper motor on the Mustang II?
Position 4 is a 6.0 amp circuit breaker for the windshield wiper motor.
What is the heater/air conditioner blower fuse on the Mustang II?
Position 11 uses a 15 amp fuse for the heater motor power feed with the standard heater, or a 35 amp fuse for the air conditioner motor power feed.
Which fuse covers the back-up lamps and turn signal lamps on the Mustang II?
Position 12, a 15 amp fuse, covers the back-up lamps and turn signal lamps.

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