If your car battery has recently died randomly, so you got a jump start from a different vehicle and now your car radio won't turn on its probably because of a blown fuse. If you are having problems with the electrical system of your car, you might want to find junkyards that sell used auto parts to save you the cost on repairs. If you are having trouble finding the right used parts for your car, it can cause you looking back and fourth. Why not simply locate junkyards near you to make life easier using usedpart.us a great website to provide you all the parts in one place. When you jump start a car battery, when you attach the leads you will create a spark this can create a short circuit and blow the fuse immediately. We have also had some customers come into the car audio shop before with the same kind of issue replacing the car battery and all of a sudden their car stereo is no longer working. In order to fix this problem, you will need to locate all the fuses that are related to supplying power to the car radio. If you found a blown fuse, you need to ensure that you replace it with the same amps to ensure that it protects the radio from any kind of electrical damaged next time.
1) Check the fuse that is fitted on the radio. Its either inline with the yellow wire or goes into the back of the car stereo.
2) Remove the fuse from the holder and hold it up. Look in the middle, if the fragile wire inside looks burnt, broken or snapped in half then the fuse is blown. If it looks in good condition, then you will need to look for the second fuse that controls the 12 volts to the car radio.
3) Look near the glovebox or underneath your steering wheel for a fuse box. Remove the plastic lid from it, behind it there will be a fuse diagram printed on the plastic. Look for the radio / CD player fuse, it will be labelled and have a number.
4) Pull out the blade fuse from the fuse box. Again hold it up and look for any signs of it being burnt out. Remember to replace it with the same kind of fuse and don't be lazy sticking any random amps fuse into its place.
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