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.
Why does my radio keep stopping?
There may be a break, weak point, or loose connection in the wiring between the SiriusXM antenna and the tuner. Or there could be the same issues in the wiring between the tuner and your stereo. This can affect the sound quality and it may cause the radio to cut out often.
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.
How do you know if your radio fuse is blown? – Related Questions
What does a blown car radio fuse look like?
Can a faulty car radio drain your battery?
Listening to radio with the engine off in a modern vehicle shouldn’t have any impact on your car battery. Even though you’re using energy, the drain is so small your car shouldn’t suffer from it.
How do you do a hard reset on a 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.
What happens if you don’t ground a radio?
It can result in voltage surges and harm the electrical devices in your car. A properly grounded system helps stabilize the electric current to prevent any accidental situation.
How can you tell if a car speaker is blown?
Is there a fuse for a car radio?
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.
How much does a blown radio fuse cost?
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. If it’s an issue with the wiring, you’ll want a professional to take a look.
How much does it cost to replace a car radio fuse?
Most fuses only cost $10 to $20, but you’ll have to pay additional labor fees to have your fuse replaced by a professional. Depending on the shop you go to, labor can cost between $65 and $100 per hour, so call ahead to get a repair estimate.
How do you check car radio fuses?
Can you always tell if a fuse is blown?
For a fuse box: If your electrical panel has fuses, check each fuse to see if the piece of metal inside has melted, or if the glass window at the top of the fuse has become discolored (usually purple or brown). That’s your home’s blown fuse.
How do you replace a blown fuse in a car radio?
Changing a fuse in your car is similar to changing one at home.
Locate your car’s fuse panel.
Take off the fuse panel’s cover.
Locate the blown fuse.
Remove the broken fuse.
Insert a replacement fuse of the correct amperage—make note of the fuse panel and your owner’s manual on this one.
Can you drive without a radio fuse?
If you removed the fuse for the radio, the radio wouldn’t work. If you removed a fuse or breaker for the ignition or fuel injection systems, the car wouldn’t start (assuming it’s a gasoline-powered vehicle).
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.