Look up a wiring diagram and inspect wiring on that circuit or any components on that circuit. The more electronics your Altima has, the more fuses it has. There's only two things that can cause that, and only one of them can be intermittent. None of the smaller fuses blow. Replacing the battery in your Altima involves removing the terminals. The battery will have to make up the difference until it slowly runs down over days or weeks.
The light will go off after 10 seconds or so. When you reconnect the terminals, your radio presets are likely to be cleared out. Pull Fuses 1 by 1 and when the light goes out thats where your draw is. Some components may have multiple fuses, so make sure you check all of the fuses that are linked to the component that is no longer working properly. That failure is never intermittent.
One has to be in each set of diodes, then you have a direct short to ground,. I took the alternator into Auto Zone and their tester checked it out fine. A diode is a one-way valve for electrical current flow. What exactly were you doing when the fuse blew? If the test light is lit you have a draw. You said you found a direct short to the case of the generator, and that will definitely blow the fuse. The light should light dimm for about 5 seconds.
If you can't find it, call Nissan and they will give you the code for free. When that happens, one third of the generator's maximum current rating is all you'll be able to get during a full-load output test. Although some batteries last much longer, most batteries begin breaking down chemically after four years, so you could experience dimmer headlights and other negative effects before you have a dead battery in your Altima that you need to replace. You need to start a new question with the car information, engine size pertinent to your car. Do this with the battery negative cable removed! Why would the 100 amp battery fuse be blowing.
If the alternator is fine and the cables are not shorted to ground what could possibly causing that fuse to blow? Given the history of accidentally grounding that point with a wrench adds to the likelihood the terminal is damaged and when things move or wiggle just the right way, the terminal shorts to the housing. Also, Look over ignition switch wires. I think a short to ground would cause the fuse to blow and the only major things in this system that is capable of blowing a 100amp fuse are the cables, alternator, 100amp fuse and the battery. If it still pops it may be some alt wiring grounded. That does you a disservice because none of the other experts will get to see it or have a chance to reply. It is not uncommon for one diode to short. If checking and replacing the fuse for the component in question doesn't work, we recommend seeking assistance from a trusted professional mechanic.
Some Nissans have multiple fuse boxes in the engine bay, so be sure to find the fuse s in question. Is your vehicle in a no start condition, or some other electronic accessory in your vehicle fails to function properly? If you read it on the wire, look for a place it's rubbed through and grounding out. They tend to blow the Master fuse if you've been in there and not taping or splicing wires correctly. And a blown whopper fuse. Like if you put in a turbo timer, alarm, remote starter. If I followed that correctly, you've stumbled onto the cause of the problem.
We recommend changing the battery in Nissans every 4 years. Your interior lights may kick on the test light! Anyone ever experience a problem like this, could this be the cause of my battery draining or just coincedence? I disconnected everything and I am not getting a short to ground in the cables. When they're shorted, they're shorted. Another thing to try to pinpoint a parasitic is to pull fuses one by one. Check wiring to your alternator and any other main components like the starter and such.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Battery Fuse stock in-person! If you suspect a grounded alternator disconnect the battery then everything on the alternator without grounding the output wire on a ground somewhere. In this case I can offer some general advice that pertains to any car. Regardless of the chain of events, if two diodes are shorted and neither one burned open, you have a dead short. Then that's a fusible link, not a fuse. If you do not have power there with the circuit breaker closed and output wire disconnected from the battery than you have an open wire.
That large terminal on the back is the output terminal. If not you have a short. In some Altimas, you may need to re-enter a security code to get your radio to work again. The things that do work include the lights, emergency flashers and radio. Only a few wires in the car can carry that kind of amperage without melting. .