Remove the fuse from its holder. In some cases you may need a small screwdriver to unscrew the fuse holder cap. Look at the fuse wire. If there is a visible gap in the wire or a dark or metallic smear inside the glass then the fuse is blown and needs to be replaced.
Use a multimeter to test the stereo’s two power wires. This will help you determine if there is broken or faulty wiring. One power wire provides power to the stereo’s memory and is always hot. While the other wire is only hot when you turn on the ignition.
Check each set of wires and speakers to be sure no wire or lead is connected to a chassis ground. The radio will see this as a short and turn off the internal amplifier causing the on but no sound issue. Each speaker connected to the radio needs dedicated positive and negative leads from the radio to each speaker.
How do you fix a car radio that has no sound?
How can you fix a car stereo that has no sound?
Make sure the volume is up on the stereo and any input device you’re using, like your phone.
Check the stereo settings to ensure everything looks correct and no outputs are at zero.
Try a different audio source or auxiliary cable.
How do you know if your radio fuse is blown? – Related Questions
Why did my car radio suddenly stop working?
The most likely reason for your radio’s sudden death is a blown fuse. All car radios have at least one fuse that protects it from power surges coming from somewhere else in the vehicle. The first thing you should do when your radio stops working is check its fuses and replace any that have blown.
Why does my radio have power but wont turn on?
Most probably, the power wires of the stereo are in bad condition. While one power wire is always out, the other only heats up with the ignition key. But, if their functions get inverted, the stereo will stop working. If these power wires do not have any voltage, it is time to replace them.
What could be some reasons a car radio isn’t turning on?
Some of the most common issues include a blown fuse, bad or damaged wiring, and anti-theft modes that are often triggered when the battery dies. In order to track down the reason that your car radio won’t turn on, you’ll want to tackle each of these potential issues one at a time.
How do I hard reset my car radio?
Turn your car on, but do not start the engine. Turn the radio off. Hold the radio power button down for a few minutes until it resets.
How much does it cost to fix a car radio?
It can cost anywhere from $25 to $300 to fix your used car’s radio. Let’s start with cheaper options. If the fuse has blown, it’s fairly easy and cheap to replace. You can call a dealership or mechanic to order the part for about $30 and you can even replace this yourself.
Can a weak battery cause radio to not work?
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. If your car radio stopped working after a jump start, or after a battery charge, then the problem might be related to a car radio code anti-theft feature.
Where is the car radio fuse located?
The interior fuse box is underneath the steering column. The under-hood fuse box is in the engine compartment next to the battery. If something electrical in your vehicle stops working, the first thing you should check for is a blown fuse.
What happens to the radio and other electronics if I have to disconnect the battery? If you have to disconnect the battery in your car, several important systems will lose power. You’ll need to reset the clock, for one thing. You’ll also need to enter the radio code for your audio system when you replace the battery.
How do you test a radio to see if it works?
Steps to Bench Test Your Radio
Hold/Connect the yellow B+ wire to the positive terminal on the battery.
Hold/Connect the red ACC wire to the positive terminal on the battery.
Hold/Connect the black ground wire to the negative terminal on the battery.
Press the left volume shaft to turn the radio on.
How do I know if my car radio is getting power?
How do you check the power of a car stereo?
How do you troubleshoot a radio?
How to Fix a Stereo Receiver That’s Not Making Sound
Check the power. Ensure that all plugs are firmly seated in their respective sockets because sometimes a plug can slip out halfway and not draw power.
Check the speaker/source selection.
Check the speaker wires.
Check the speakers.
Check the source components.
How do I know if my car stereo is fried?
Keep your ears (and eyes) open for some of these issues:
Distortion at Medium Volumes. The hissing or fuzzy sound of distortion is a common sign of partially blown speakers.
No Vibration.
Lack of Range.
Rattling and Popping Sounds.
Car Radio Isn’t Working.
Infinite Impedance.
Repairing Minor Damage.
What causes blown radio fuse?
Possible Cause: Possible short in wiring. Action: Check wiring to be sure no power wires (red, yellow, blue, or blue/white) are touching metal. Possible Cause: Possible incorrect fuse.
Why is my car radio screen black?
Restart Your Car’s Infotainment System
The reason you’re facing the black screen issue may not even be related to Android Auto on your phone. It could be that your car’s stereo system or head unit is malfunctioning, so you’re unable to use Android Auto. A quick fix for this issue is to restart your car’s head unit.