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1973-74 Ford Bronco Fuse Box Diagram – Fuse Panel & Circuit Breaker Chart
Ford Bronco fuses and circuit breakers chart: 20A heater/defroster, 14A turn signal/back-up/radio/washer, 2A instrument lamps, 15A courtesy/cigar lighter, 20A emergency flasher, plus headlamp/horn circuit breaker specs.
This is page 52 ("Maintenance") from an early-1970s Ford Bronco owner's manual, uploaded as part of a multi-page scan set. The top of the page concludes a "Tire and Tire Care" section covering trailer towing: single-clamp hitches are not acceptable, heavier trailers (up to 2,000 pounds) require reference to a table, tongue weight should be about 10 percent of loaded trailer weight, and an IMPORTANT note warns that added front-end equipment such as a snow plow winch must not exceed the Gross Axle Weight Rating. The main content is the "Fuses and Circuit Breakers" section, which includes a diagram of the fuse panel (located in the glove box to the left of the door) with five numbered fuse positions: 1 – 20 amp Heater/Defroster; 2 – 14 amp Turn Signal Flasher, Back-Up Lamps, Radio and Windshield Washer System; 3 – 2 amp Instrument Panel Lamps; 4 – 15 amp Courtesy Lamp (Instrument Panel) and Cigar Lighter; 5 – 20 amp Emergency Warning Flasher System. A "Circuit Breaker Specifications" table lists a 12 amp circuit breaker for headlamps and a 15 amp circuit breaker for horns, stop, marker, license, tail and parking lamps, both integral with the lighting switch.
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Frequently asked questions
- Where is the fuse panel located on this early Ford Bronco?
- The diagram states the fuse panel is located in the glove box, to the left of the door.
- What fuse protects the heater-defroster circuit?
- Fuse position 1, a 20 AMP fuse, protects the Heater – Defroster.
- What does the 14 amp fuse cover?
- Fuse position 2 (14 AMP) covers the Turn Signal Flasher, Back-Up Lamps, Radio and Windshield Washer System.
- What circuit breakers are used and where are they located?
- A 12 amp circuit breaker for the headlamps and a 15 amp circuit breaker for horns, stop, marker, license, tail and parking lamps; both are integral with the lighting switch.
- What are the trailer towing guidelines on this page?
- Single-clamp hitches are not acceptable; heavier trailers (up to 2,000 pounds) require referring to a table; tongue weight should be about 10 percent of the loaded trailer weight; added front-end equipment (like a snow plow winch) must not exceed the Gross Axle Weight Rating.
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