Why is there no power to my radio?

Why is there no power to my radio?

The most likely cause of a stereo not powering up is a blown fuse. Other causes can be a short in the wiring or other wiring problems. Cars are unforgiving environments for electronics, and vibration, heat and dust can all cause premature failure. Vibration can cause wiring to become loose.

Where is the ignition switch fuse?

The ignition relay is usually found in the fuse box situated underneath the hood or somewhere under the car’s dashboard. It transfers electricity from the battery to the ignition components, which allows you to start the car in the blink of an eye.

What to do if your CB radio has no power?

CB Radio Has No Power. No lights come on the radio. There is also no sound. You cannot transmit or receive. Check Power Cord Connections. Make sure the power cord connections are attached correctly. If your radio has a power plug, make sure it is seated well. Check Fuse. Make sure the CB radio’s fuse is not blown and that it is seated correctly.

What happens when you power up an old radio?

Applying power to them for the first time in many years can be catastrophic. Few of these old radios (and this applies to old TV’s as well) have no fuse protection. When something shorts out (such as a filter capacitor), something’s going to smoke or burn out.

Is there a way to power up a radio?

Below is a diagram of a simple device you can make that will enable you to power up your radio without destroying the power transformer or causing damage. You will need to be able to make this simple test jig using a light bulb, lamp socket and AC receptacle.

Why does my old radio light not work?

Now plug the set into the test jig’s socket and turn it on. The lamp should not glow or glow or glow very dim. If the lamp glows bright at this point, either you are using a lamp of too low wattage or the radio has a serious short. Do not proceed ant further until you can or have someone resolve the short circuit problem.