2007 Nissan Sentra Battery Fusible link keeps blowing

A fusible link is really no different than a fuse. If it blows immediately on start up, you have a dead short to ground somewhere in that circuit. If it blows after some time, it’s due to excessive current draw condition by some component in that circuit. Thank you for the quick response.

Why does my fusible link keep blowing?

Circuit Overloading



There are a couple of ways to do this, but the simplest is to ground the wire directly to your vehicle’s chassis. Doing this will open the floodgates for electricity, and the fusible link will blow out like a drinking straw on the end of a fire hose.

Why does my car battery fuse keep blowing?

It will blow if there is a surge of power that exceeds what it can handle or if it becomes too hot because of the amount of power. A blown fuse looks like two metal plates with strips of insulation between them, and you should change it right away to prevent damages to your vehicle’s electrical system.

How do you fix a fusible link?

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Use a crimp melt the solder through the wire. So that you have a good strong connection. Then use heat shrink to make it watertight.

What does a fusible link do on an alternator?

They are placed in-line between delicate harnesses and large sources of electrical current in your car—between the battery and alternator, for example. These links must transmit high-current electricity, but also protect the rest of the electrical system from dangerous spikes that could cause a fire.

Will a car start with a blown fusible link?

A fusible link will blow, and folks will incorrectly diagnose a failed starter motor—turn the ignition key…and nothing will happen. If this (or something similar happens), you should check for blown fuses in your fuse box first.

How do you know if a fusible link is bad?

The fusible link is essentially an in line fuse on the positive terminal of the battery. To determine if the fusible link has been blown , one test lead of your ohmmeter should be on the positive terminal of the battery and the other test lead should be on the end of the fusible link going to the circuit it protects.

How do you fix a car fuse that keeps blowing?

Try unplugging it and replace the circuit fuse. If the fuse blows immediately or activating the components switch causes it to blow, you know the component is good and you are instead chasing a wiring short problem. If on the other hand, the fuse doesn’t blow, it suggests an issue with the component.

How do you stop a fuse from blowing?

To decrease your chances of blowing a fuse, compare the wattage and amperage rating of each of these devices with the amount of power your circuits can handle. This information should be easy to find on their packaging, rating plates or tags.

Why should you not bypass a fuse?

It’s highly recommended to avoid bypassing a fuse, especially if you’re dealing with a blown fuse. Using a wire to bypass a fuse can provoke electrical and fire hazards, making it your safest and best option to replace the fuse.

Is there a fuse between alternator and battery?

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Goes. It goes right there to the back of the alternator. No fuse link nothing at all so recap on a factory 2004. No fusing on the battery. At all anywhere. There's no fusing going to the main fuse box

What happens if the battery fuse blows?

Usually, a blown fuse just causes a minor car electrical problem, like backup lights or interior lights not working, not being able to use your radio, losing a turn signal, or some of your climate control features not functioning properly.

How do you test a fusible link alternator?

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And we're gonna do an ohm test for resistance. Now can you see that yes you can alrighty so simple one to start we'll go to a battery negative. And go to a spot on the body.

What is the difference between a fuse and a fusible link?

Fusible links perform the same basic function as fuses, but in a slightly different way. In automotive applications, a fusible link is a length of wire that is several gauges thinner than the wire that it is designed to protect.

How do I check to see if my alternator is bad?

First, open the hood and start the car. While the engine is running, remove the negative cable from the battery. If the vehicle stalls or dies, the alternator is likely bad. This happens because the alternator is not generating enough electricity to keep the engine running on its own.

How do I test my alternator without a multimeter?

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Here. If the alternator is charging then the motor will stay running. And if it's not charging the motor will die and we all know it takes electricity for these course runs.

How do I know if my alternator is draining my battery?

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But the easiest way is to check for AC currents at the battery. So what you want to do with the engine running. So the alternator is running is set your multimeter to look for AC voltage.

Which battery terminal Do I disconnect to test the alternator?

Which battery cable do you disconnect to test your alternator? Do I disconnect the positive or negative to check the alternator? Disconnect the negative battery cable before testing an alternator. Instead, use a voltmeter to perform a basic and safe test.