Mercury A2AZ-14526-A Circuit Breaker Assembly

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The wiring circuits of the vehicle use fuses, circuit breakers or cartridge-type fusible links, where all the models have four fuse blocks. Passenger compartment fuse block is located below the instrument panel on the both sides of the dashboard and Power Distribution box is on right side door jamb. Also, the engine fuse block is located right behind the PDB; there is also a fourth fusion block located near the battery containing the main battery fuses. One must withdraw the cable from the negative terminal of the battery before changing high current fuses. Compact fuses that can be removed and installed using fingers are employed in the passenger compartment fuse block as well as in the power distribution box. If an electrical component does not work, one must check first the fuse, and the best approach of doing this is used of a test lamp in probing the exposed terminal end of the fuse. The presence of a blown fuse is as easily determined, as the element between the terminals has melted. When a fuse has been blown it is important to fit the correct type since apparently there are fuses of different rating type that are physically interchangeable but should have the correct rating as is prescribed in a circuit. If the fuse blows immediately it should not be replaced until the root cause of the problem for example a blow due to a short circuit as a result of a bad connection from a broken or aged wire is fixed.

Circuit protection is through fuses and fusible links supplemented by circuit breakers, which is located beneath the left end of the dashboard. Two types of fuses are utilized based on the date of manufacture: first version of the fuses come in a glass tube design that enables users to check the inside metal component, later models come in miniature fuses with blade terminal that can be removed or refitted with fingertips. When an electrical component is not working, the first process is checking the fuse since one that has blown has its element between the terminals melted and is therefore different from a working fuse. To test the fuses the ignition key should be switched on and a test light can be used by connecting one end of the test light to the earth and the other end to the exposed terminal end of the fuses; the test light should turn on if the fuses are okay. Circuit protection requires the use of correct type and accurate amp rating and that is why one should not replace a blown fuse with a higher or even a lower value. The amperage value is normally printed on the body of the fuse, and the different colours are used to mean different types of amperages. Caution is necessary: before a fuse can be replaced all electrical components and the ignition switch must be turned off and it is fatal to replace a fuse with metal or foil since one risks a fire outbreak or severe blows to the electrical system. If a replacement fuse fails shortly after it has been replaced, it's advisable not to replace it again until one is sure that the problem that caused the quick failure-for instance a short circuit-had been addressed.

The electrical system of the vehicle is protected by use of fuses, circuit breakers, and fusible links. For the models prior to 1991, the fuse block is found beneath the left side of the dash board and anchored with two screws. Models from 1992 onward feature two fuse blocks: There is one box, for the standard fuses, which is located under the instrument panel on the left side of the dashboard and the second box is for high current fuses located in the engine compartment, near the battery. The main fuse block is located beneath the driver's seat and the underhood power center is near the battery and has relays, as well as high-amperage fuses. When changing fuses of high current it is advisable to remove the cable connected to the negative terminal of the battery. The miniature types of fuses are employed in the passenger compartment fuse block, which enables their removal and installation by fingers. If circuitry has gone wrong, it's best to start with the fuse, the easiest way is to use a test light to identify power flow at the end of the exposed tips of the fuses. A blown fuse may be seen if power is on one side and off on the other, or by looking at the fuse and seeing that the element looks melted. Throw always the blown fuses for the proper fuses since fuses of other ratings physically look the same with the right ones but shall not be used due to improper protection of electrical circuits. If a replacement fuse blows almost instantly, it ought to be left alone until the problem which is normally a short circuit caused by a disconnected or worn out wire is diagnosed and corrected.

The electrical system of the vehicle is protected by use of fuses, circuit breakers, and fusible links. For the models prior to 1991, the fuse block is found beneath the left side of the dash board and anchored with two screws. Models from 1992 onward feature two fuse blocks: There is one box, for the standard fuses, which is located under the instrument panel on the left side of the dashboard and the second box is for high current fuses located in the engine compartment, near the battery. The main fuse block is located beneath the driver's seat and the underhood power center is near the battery and has relays, as well as high-amperage fuses. When changing fuses of high current it is advisable to remove the cable connected to the negative terminal of the battery. The miniature types of fuses are employed in the passenger compartment fuse block, which enables their removal and installation by fingers. If circuitry has gone wrong, it's best to start with the fuse, the easiest way is to use a test light to identify power flow at the end of the exposed tips of the fuses. A blown fuse may be seen if power is on one side and off on the other, or by looking at the fuse and seeing that the element looks melted. Throw always the blown fuses for the proper fuses since fuses of other ratings physically look the same with the right ones but shall not be used due to improper protection of electrical circuits. If a replacement fuse blows almost instantly, it ought to be left alone until the problem which is normally a short circuit caused by a disconnected or worn out wire is diagnosed and corrected.

The wiring circuits of the vehicle use fuses, circuit breakers or cartridge-type fusible links, where all the models have four fuse blocks. Passenger compartment fuse block is located below the instrument panel on the both sides of the dashboard and Power Distribution box is on right side door jamb. Also, the engine fuse block is located right behind the PDB; there is also a fourth fusion block located near the battery containing the main battery fuses. One must withdraw the cable from the negative terminal of the battery before changing high current fuses. Compact fuses that can be removed and installed using fingers are employed in the passenger compartment fuse block as well as in the power distribution box. If an electrical component does not work, one must check first the fuse, and the best approach of doing this is used of a test lamp in probing the exposed terminal end of the fuse. The presence of a blown fuse is as easily determined, as the element between the terminals has melted. When a fuse has been blown it is important to fit the correct type since apparently there are fuses of different rating type that are physically interchangeable but should have the correct rating as is prescribed in a circuit. If the fuse blows immediately it should not be replaced until the root cause of the problem for example a blow due to a short circuit as a result of a bad connection from a broken or aged wire is fixed.

If an electrical component fails, always check the fuse first.

Twisting could force the terminal open too far, resulting in a bad connection.

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.

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

Before replacing high current fuses, it is important to disconnect the cable to the negative battery terminal.

If an electrical component fails, always check the fuse first.

Before replacing high current fuses, it is important to disconnect the cable to the negative battery terminal.

To replace a fuse, first turn the ignition switch OFF. Grasp the push-in type fuse with the provided tool, or a pair of needle-nose pliers. Look through the side of the fuse body to determine if the fuse element is blown. Check the amperage rating of the fuse which was removed and obtain a new fuse of the same rating. Align the fuse with its mounting position and push it into place until fully seated in the panel. Turn the ignition switch on and operate the accessory that was protected by that fuse.

The best way to check the fuses is with a test light. Check for power at the exposed terminal tips of each fuse. If power is present at one side of the fuse but not the other, the fuse is blown. A blown fuse can also be identified by visually inspecting it.

Remove and insert fuses straight in and out without twisting.