Faulty speaker or faulty speaker wiring.Replacing a foul fuse will likely get your radio blasting again, however, note that anything that causes the new fuse to blow shortly after installation would require you to go to a car workshop because it means there’s something faulty with the electrical system as a full which an expert might properly check out. There are incidents where the surplus current is released to the audio component of the vehicle, which might cause the fuse to blow, and disconnects the circuit to save the radio itself. They protect appliances from power surges and other electrical elements. Like some other electrical appliances, car radios are guaranteed to have a fuse. If you are done with checking the wires and find no fault, there might be a problem with some other things. In this case, don’t forget to check each device to make sure the connection is good. After disassembling the dashboard, check each wire before proceeding to the next step.įinally, if you are using an aftermarket amplifier for your door speakers, make sure they are turned on. It will power on the car stereo and turn on the sound/power of each door speaker. These are the plus and minus wires that connect to each speaker. However, the main wiring of concern is the speaker wire. Be sure to check the operation of each wire before working. The colour of the wire depends on the year and model. Make sure each wire is set up correctly and connected properly. Most of the items in stock are only colour coded, but some are labelled. Most aftermarket wire harnesses are labelled with a small text on the side of the wire so you can see what they fit. It should turn on the radio and work properly.Ĭheck the speaker wires after verifying that the car stereo is properly powered. Make sure your car stereo connects these three wires correctly. If you have a silent car radio, the first thing to do is make sure all the cables are connected.Ĭar radios always have three different power cables that connect to the deck area, Black (usually ground) Red, (usually a battery) and yellow (usually constant power). Each cable serves a specific purpose for the car stereo to function properly. There are all kinds of wires in and out of the radio. If ‘Unmuting’ doesn’t work, you need to go to the next step to find the exact problem. That’s why you need to be aware of this silly but important thing. When you are driving and have to pick up the call on your phone, your immediate instinct pushes you to mute the sound of the radio to get a non-interfering conversation and not to miss a word from the other part of the phone. Then they start thinking ‘why does my radio turn on but no sound’. It sounds silly, but people forget to unmute their radio while driving and talking to the phone in many cases. Unmute the Radioīefore going for mass investigation, make sure that the button of ‘Mute’ on your radio wasn’t pressed. It can be a burning question in your mind if your radio suddenly stops speaking. You may need to get the traffic update but your radio isn’t helping. The car radio then plays the signal through the car speakers. The antenna captures the radio signal and sends it to the car radio. The car radio receives its signal from the radio antenna. The battery supplies power to the car radio, and the car radio powers the car speakers. AM and FM radio carry sound waves-a type of analogue signal to your receiver. And FM radio maintains a constant amplitude while the frequency varies based on the overlaid signal. AM radio broadcasts a carrier wave that maintains a constant frequency, while the overlaying sound wave modulates its amplitude. There are two ways radio stations modulate their carrier waves: amplitude modulation, or AM, and frequency modulation, FM. Radio signals are electromagnetic waves of frequencies ranging from about 30 kilohertz (kHz) to 300 gigahertz (GHz). The term “radio” includes both the transmitter and the receiver and is derived from the Latin word “radius,” meaning “ray” or “beam.” In 1892, Italian inventor Guglielmo Marconi developed the first practical radiotelegraph system. Radio waves are the longest electromagnetic spectrum waves that carry information from a radio station to a receiver.
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