Ford D9ZZ-14526-H Circuit Breaker Assembly

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Fuse links are used in circuits without standard fuses, providing overload protection. They're smaller than the circuit wire and color-coded: green (14 gauge), orange (16), yellow (17), red (18), and blue (20). These links are non-repairable and must be replaced with an identical new one. To replace, disconnect the battery ground and the damaged link from the starter relay. Cut and discard the damaged link, strip 1/2 inch insulation from the circuit wire, and crimp in a suitable new link. Solder each end of the new link, insulate with electrical tape, and reconnect everything. Test the circuit afterwards for proper operation.

The electrical circuits of the vehicle are protected by a combination of fuses, circuit breakers and fusible links. The fuse block is located below the left side of the dash. Later models have two fuse blocks, one for standard fuses located under the instrument panel on the left side of the dashboard and one for high current fuses in the engine compartment, adjacent to the battery. Disconnect the cable to the negative battery terminal before replacing high current fuses. On earlier models the fuses are tubular glass body types while on later models miniaturized fuses are employed. These compact fuses, with blade terminal design, allow fingertip removal and replacement. If an electrical component fails, always check the fuse first. The best way to check a fuse is with a test light. Check for power at the exposed terminal tips of each fuse. If power is present on one side of the fuse but not the other, the fuse is blown. A blown fuse can also be confirmed by visually inspecting it. Be sure to replace blown fuses with the correct type. Fuses of different ratings are physically interchangeable, but only fuses of the proper rating should be used. Replacing a fuse with one of a higher or lower value than specified is not recommended. Each electrical circuit needs a specific amount of protection. The amperage value of each fuse is molded into the fuse body. If the replacement fuse immediately fails, don't replace it again until the cause of the problem is isolated and corrected. In most cases, the cause will be a short circuit In the wiring caused by a broken or deteriorated wire.

Fuse links are used in circuits without standard fuses, providing overload protection. They're smaller than the circuit wire and color-coded: green (14 gauge), orange (16), yellow (17), red (18), and blue (20). These links are non-repairable and must be replaced with an identical new one. To replace, disconnect the battery ground and the damaged link from the starter relay. Cut and discard the damaged link, strip 1/2 inch insulation from the circuit wire, and crimp in a suitable new link. Solder each end of the new link, insulate with electrical tape, and reconnect everything. Test the circuit afterwards for proper operation.

The electrical circuits are protected by fuses, fusible links and circuit breakers and the fuse panel is situated at the left end of the dashboard below the cover. The miniaturization of the fuses and the shape of the fuse block also make it possible to simply use fingertips to remove and install the fuses owing to the miniaturization of the elements and a blade-type terminal. Each of the fuses safeguards one or several circuits-names of which are inscribed on the surface of fuse's control box above the particular circuit; a fuse list is available, however, the most comprehensive data can be found in an owner's manual. If an electrical component stops working, the fuse must be checked; the new style fuses have a clear plastic body and if the appropriate fuse is removed and the clear plastic body is coloured, it means the fuse has blown. Before checking it should be turned to On position and each terminal at the top of the fuse should be tested by the toad of test light connected to the good ground. If the fuse is working properly the Lorestanis at both terminals will be charged, while if the fuse was blown the Lorestanis one side only is charged. Mortise is also advised to be checked visually for damage while the element of the lock is fixed which it sometimes is. Fuses should not be twisted when removed and inserted as it may cause damage to the terminal ends. Carbon fuses cannot be inserted with any type or amperage of fuse that will enable it to protect a circuit because the circuit's protection will be compromised if a bad fuse is used. The amperage value is usually engraved on the body of the fuses; and various colours signify various types of amperages. Before replacing a fuse, make sure all the electrical features and ignition are off and never replace a fuse with metal or foil, it is dangerous. In case the fuse has a tendency of blowing out as soon as it is replaced, the cause, which more often than not could be a short circuit as a result of damaged wires should be fixed before the fuse is put back.

A blown fuse can be identified by inspecting the broken metal element inside the glass tube.

The electrical circuits of the vehicle are protected by a combination of fuses, circuit breakers, and fusible links.

When replacing blown fuses, it is important to replace them with the correct type. Fuses of different ratings are physically interchangeable, but only fuses of the proper rating should be used.

The amperage value of each fuse is molded into the fuse body.

If the replacement fuse immediately fails, do not replace it again until the cause of the problem (a short circuit) is isolated and corrected.

The best way to check a fuse is with a test light. Check for power at the exposed terminal tips of each fuse.

Bypassing the fuse with metal or foil can cause serious damage to the electrical system.

When replacing blown fuses, it is important to replace them with the correct type. Fuses of different ratings are physically interchangeable, but only fuses of the proper rating should be used.

The fuses and relays in the Power Distribution Box are replaced in the same manner as the fuse panel inside the vehicle. The power distribution box cover is hinged on one end and utilizes a retaining latch on the other. Simply release the latch and lift the cover up to gain access to the fuses and relays.

The underhood power center is located next to the battery in the engine compartment and contains relays and high-amperage fuses.

Do not replace it again until the cause of the problem is isolated and corrected. In most cases, this will be a short circuit in the wiring caused by a broken or deteriorated wire.

Be sure to replace blown fuses with the correct type and amp rating.