Kenwood Radio Won’t Turn On [Causes & How to Fix It]

Kenwood radios are reliable and widely used by radio enthusiasts for their exceptional performance and advanced features. However, like any electronic device, they can sometimes fail to come on or operate correctly.

It can be frustrating and worrisome when your Kenwood radio doesn’t turn on, especially if you depend on it for communication or entertainment. 

In this blog post, we will help you find out why your Kenwood radio won’t turn on and how to troubleshoot the problem to get your Kenwood radio up and running in no time.

Kenwood Radio

Reasons Kenwood Radio Won’t Turn On

1. Faulty Wiring

One of the common reasons a Kenwood radio won’t turn on is due to faulty wiring. In most cases, the wiring between the radio and the power source is the issue. 

If there is a loose connection or a broken wire, the radio may not receive the required power to turn on. Several factors can cause this, including improper installation, wear and tear, or damage to the wiring itself.

How to Diagnose and Fix a Wiring Issue

  • Start by checking the power source. This may involve checking the car battery and ensuring it’s fully charged and operational. 
  • Inspect the wiring between the battery and the radio to see if there are any visible signs of damage, such as frayed wires or exposed metal. You may also need to check the wiring harness or connector to make sure it’s properly connected and not damaged.

To prevent issues with faulty wiring in the future, it’s important to ensure that your Kenwood radio is installed properly and that the wiring is secured well.

2. Faulty Power Source 

A faulty power source can certainly be a reason a Kenwood radio won’t start. If the radio is not receiving power from its power source, it will not turn on. Here are a few things you can try to determine if the power source is the issue:

How to Diagnose and Fix

  • Check the power cable: Make sure that it is properly connected the power cable to both the radio and the power source. Look for any visible damage to the cable that could be causing a poor connection.
  • Test the power source: Try plugging the radio into a different power source to see if it turns on. If it does, then the original power source may be faulty.
  • Check the fuse: If your Kenwood radio has a fuse, check to see if it has blown. A blown fuse can prevent the radio from receiving power.
  • Inspect the battery: If your Kenwood radio is battery-powered, make sure the batteries are installed correctly and have enough charge to power the radio.

3. Dead Battery

Another common reason a Kenwood car stereo may not turn on is due to a dead or low battery. If the car battery is dead or not supplying enough charge, the radio may not receive the power it needs to turn on. 

This can be a frustrating issue, especially if you rely on your car stereo for entertainment and information while driving.

How to Diagnose and Fix a Dead Battery Issue

Start by turning on the car’s headlights. If they appear dim or don’t turn on at all, it’s likely that the battery is dead. 

In this case, you may need to jump-start the car using another vehicle or a portable battery booster. Once the car is running, try turning on the Kenwood car stereo to see if it’s working.

If the battery is not completely dead but is still low on charge, the car stereo may turn on but may not function properly or may shut off unexpectedly. In this case, it’s important to recharge the battery as soon as possible to prevent further issues.

4. Blown Fuse

A blown fuse in the car’s fuse box can prevent the radio from receiving power. A fuse is a safety mechanism that protects electrical circuits from overloading. If a fuse blows, the electrical circuit will no longer work correctly.

In a car, the fuse box is usually located under the dashboard or in the engine compartment, and it contains several fuses that protect various electrical circuits, including the car stereo. If a fuse is blown, it will need to be replaced before the car stereo will work again.

How to Diagnose and Fix a Blown Fuse

  • Locate the car’s fuse box. Then, use the owner’s manual or a fuse box diagram to find the fuse that corresponds to the car stereo. 
  • Once you have located the fuse, check to see if it is blown. If the fuse is blown, replace it with a new fuse of the same amperage rating.

To prevent blown fuses in the future, make sure to use the correct amperage rating for fuses when replacing them. It’s also important to avoid overloading electrical circuits in the car by using too many accessories at once, as this can cause fuses to blow and may even damage the car’s electrical system.

5. Malfunctioning Power Button

The power button is a critical component of the radio that enables the user to turn it on and off. Therefore, if the power button is malfunctioning, it may not be able to turn on the radio or keep it turned on.

There are several reasons a power button may malfunction. One possible cause is physical damage or wear and tear. If the button has been pressed too hard or too many times, it may become stuck or unresponsive. 

Another possible cause is a buildup of dirt or debris around the button, which can interfere with its functionality.

How to Diagnose and Fix

Start by inspecting the button for physical damage or debris. If the button appears to be damaged or dirty, gently clean it with a soft cloth or brush. You can also try pressing the button firmly to see if it responds.

If cleaning the button does not resolve the issue, there may be an issue with the internal wiring or components of the power button. In this case, it may be necessary to have the radio serviced or replaced. A professional technician can diagnose and repair the issue with the power button, or recommend a replacement radio if necessary.

To prevent issues with the power button in the future, make sure to use it gently and avoid applying too much force when pressing it. Keeping the radio clean and free from debris can also help to prevent malfunctions in the power button.

6. Internal Component Issues

There may be an issue with the internal components of the radio, such as a damaged circuit board or malfunctioning power supply. This is why a Kenwood car stereo might not turn on. 

The internal components of the radio, such as the circuit board or power supply, can become damaged or malfunction over time. This can prevent the radio from receiving power and turning on.

How to Diagnose and Fix

If you suspect that there may be an issue with the internal components of your Kenwood car stereo, there are a few steps you can take to troubleshoot the problem. 

  • Check the power supply and ensure that it is functioning properly. You can do this by using a multimeter to test the voltage output. If the power supply is not providing the correct voltage, it may need to be replaced.
  • If the power supply is functioning properly, the issue may lie with the circuit board or other internal components. In this case, we recommend it to have the radio serviced by a professional technician. They can diagnose the problem and recommend a solution, such as replacing the damaged component or replacing the entire radio.


What Should I Do If My Kenwood Radio Won’t Turn On Even After Following All the Troubleshooting Steps?

If your Kenwood radio still won’t turn on after trying all the above steps, it may have a more significant problem that requires professional attention. Consider contacting Kenwood customer service or a certified technician for repair or replacement.

Can I Repair the Kenwood Radio Myself?

Unless you are an experienced technician or have sufficient knowledge of radio circuitry, we do not recommend it to repair the Kenwood radio yourself. Attempting to repair it yourself could cause further damage or injury. Seek professional help if you are unsure about the repair process.

Read: Engine Knock On Startup Then Goes Away [5 Possible Causes]


A Kenwood radio may not turn on due to various reasons, such as dead batteries, faulty wiring, blown fuses, or a malfunctioning power switch.

Troubleshooting the issue can be done by checking the power source, examining the wiring connections, inspecting the fuses, and examining the power switch. If the issue is with the batteries, they need to be replaced, and if the problem lies in the wiring, it needs to be repaired.

In some cases, replacing the blown fuse or repairing the power switch may also fix the issue. It is essential to follow the manufacturer’s instructions and safety precautions while fixing the radio.

Overall, with the right tools, knowledge, and precautions, it is possible to fix a Kenwood radio that won’t turn on and get it back to its functioning state.