Why is my car radio not working after battery was jump started?

Reset and start over, by disconnecting the NEG terminal of the battery for several minutes and then trying the radio again, after re-connecting the battery terminal. Fuses would be my next thought. However, there are a lot of sensative IC’s in today’s car radios, that could be damaged by arcing of battery jumper cables.

What happens when a car radio fuse is blown?

In the case of your car radio fuse, it is designed to sacrifice itself to prevent a dangerous amount of current from flowing through your car radio and the associated circuit. If your radio is dead due to a botched jump start or charge, and you’re lucky, then you may find that your car radio fuse is blown.

Why is my Rez Radio not working after jump start?

REZ Radio, you MUST remove the 30A radio fuse (M12) located in the totally integrated power module (TIPM) in the engine compartment BEFORE disconnecting or reconnecting battery cables. If you disconnect or reconnect battery cables with the fuse in place, the electrical spike can damage the radio.

Is it possible to fix a car stereo that quit working after the battery died?

And it probably isn’t. In most cases, fixing a car stereo that quit working after the battery died is a lot simpler than that. Of course, it can also be a lot more complicated. There are a few different reasons for a car radio to stop working after the battery has gone completely dead.

Why does my car radio not work after a jump start?

The radio may also be damaged if the current battery goes dead and you replace it without removing the fuse. If the radio doesn’t work after a jump start or a battery cable disconnect/reconnect and you find a U0184 trouble code, it means the digital data bus has lost communication with the radio.

Can a blown fuse cause a jump start?

Unfortunately jump starts can cause all sort of problems, and it sounds like there must have been some issues during the jump start attempts (e.g. blown fuses are a bad sign). But it’s very hard to say what’s going on without an ability to check things out.

What happens if you jump start a car battery?

The biggest danger in jump starting or charging a battery is actually related to the explosive nature of the hydrogen gas that can leak from a lead-acid battery. This is why the final cable you hook up should always be a ground cable, and it should be hooked to ground, rather than the battery.

What should I do if my car radio stopped working?

That means car radio codes almost overwhelmingly become headaches for the lawful owners of those car radios, instead of the thieves they are meant to inconvenience. The best way to deal with a car radio code is to not deal with it at all.

Why did my car radio stop working after the battery died?

In most cases, fixing a car stereo that quit working after the battery died is a lot simpler than that. Of course, it can also be a lot more complicated. There are a few different reasons for a car radio to stop working after the battery has gone completely dead.

Why does my Ricks free auto radio not work?

The radio may have been damaged by the electrical spike or may be locked up. Try disconnecting the battery terminals with the M12 fuse in place. Touch the battery terminals together to drain the radio capacitors. Then reinstall the battery cables. If the radio works, the problem was simply logic lock.

How does the negative cable charge a battery?

This is a true “set it and forget charger”. You simply hook up the red cable to the positive terminal and the black cable to the negative terminal and that’s it. The charger will bring your battery to a full charge and then enter a “float” state will keep your battery perfectly topped off at 100% indefinitely.

Can a car battery drain with the negative cable disconnected?

Leaving the battery hooked up will drain it at 20% or more per week! In this article I’ll dive into how a car battery will still lose some of its charge despite disconnecting the negative cable and best practices for keeping your battery ready to go when you returned to your vehicle.

What happens if you hook up a battery to a ground cable?

This is why the final cable you hook up should always be a ground cable, and it should be hooked to ground, rather than the battery. If you hook directly to a battery, and any hydrogen gas has leaked from the battery, the resulting spark could ignite the gas and cause an explosion.

How to connect jumper cable to negative battery terminal?

I was always taught to connect the jumper cables as follows: With + to +, and – on the assisting vehicle to a good ground point on the car with the dead battery. But given that the negative terminal is not accessible, I did not want to try it.

Can a negative battery be used to jump start a car?

I tried to use our 2nd vehicle, a 2010 Ford Escape, as the assisting car to jump start mine. But when I looked at the engine compartment of the Escape, I found that the battery is positioned in such a way that the negative terminal is completely inaccessible and there is no physical method that I can find to connect jumper leads to that battery.

What to do with an inaccessible negative battery terminal?

It is a shared ground (all exposed metal is a ground. So connect to any none painted metal. Though they normally have a bolt or something to attach to near the battery. Often when vehicles have inaccessible battery terminals there will be specific jump start or charging terminals somewhere more convenient.

Why does my car radio stop working after battery has gone dead?

There is a solution for this problem, too! Let’s find it out together! The most common reason for a car radio to stop working after the battery has gone completely dead is that the radio has an anti-theft “feature” that kicks in whenever battery power is removed.

Why is my MyGig radio not working after dead battery?

I know with my Caliber (where I retrofitted a MyGIG) that if I don’t pull the radio fuse before re-connecting the radio, the radio won’t power on after. Try disconnecting the battery again, remove the radio fuse, reconnect battery, then re-insert radio fuse.

Why are my radio and lights not working?

Often, this issue is caused by a dead battery. When a dead battery is the cause of the problem, all accessories in the vehicle, including the radio and lights, won’t work. But when a car owner attempts to turn on the engine and the attempt fails, yet the radio and lights still work, it can lead to confusion.

What to do if your car radio is not working?

Well, that did not work either. Left the battery disconnected, removed the fuses, including the IOD, reconnected the battery, replaced the fuses; still no radio or clock. Thanks anyway for the advice.

What happens if you listen to the radio for an hour?

An hour listening to the radio should not kill your battery unless you have a big amp and speakers. The dude who jumped my car checked the battery with a device that said it was in good shape. Thank you both for trying to help though!

What to do if your Subaru Outback won’t start?

Jump start Subaru Outback If dead battery is the reason for the breakdown of your Outback, you can easily jump start it using jumper cables and a healthy battery from another vehicle, or using a battery booster if available.

The biggest danger in jump starting or charging a battery is actually related to the explosive nature of the hydrogen gas that can leak from a lead acid battery. This is why the final cable you hook up should always be a ground cable, and it should be hooked to ground, rather than the battery.

What to do if your car stereo doesn’t work?

Car stereos with a code feature require you to input a preset code any time the battery dies or is disconnected. The code may be in your owner’s manual, or you might have to contact a dealer. While a dead battery, or a jump start, can result in a car radio that doesn’t work, it could also be a pure coincidence.

Why is my fuel pump not working on my Subaru?

If the relay clicks on, then check the fuse to the fuel pump. If there is power to the fuse but nothing on the other side, then the fuel pump could have a burned up motor. If there is no power to the fuse, but power in the wiring to the fuse box, then the fuse box may have a short causing multiple circuits to fail.

What should I do if my Subaru won’t start?

Have electrical issues. Subaru won’t start. I have power to the dash board, Windows and locks and hazards. No power to headlights, fan, radio, windshield wipers. Started by replacing battery, starter, checked the fuselink ( good) and replaced ignition switch. Started testing fuses, some light up with tester some don’t. Starting to think ecm is out

Why is my Radio not working on my Subaru Outback Gen 3?

Being a gen 3, I suspect you have the infamous broken wires in one of the two boots between the body and the rear hatch. The radio supplies power to the antenna preamp through the boot. A short there would explain the fuse going.

When does the radio come on in a Subaru?

When the ignition is at ON, and the headlight switch is turned to the first (parking lights) or second (headlights) setting, do the lights in the radio controls (volume, preset stations, etc) come on? (This is independent of whether or not the radio itself is turned on.)

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