By Nell Harrison


Car stereo systems can have their share of exceptional challenges, notably for the beginner. Unexpected problems can arise, including the radio powering up but outputting no sound. There are some typical causes that can easily be examined sequentially with troubleshooting steps.

Need help on aftermarket radio installation, no power for the radio in any respect! First off, assess your wiring. In case you own a voltoltage meter or a test light, test the bottom (black), constant 12v (yellow), and accessory 12v (red) wires to make see in case you have the proper voltoltage in the proper wires, along with a great floor.

Constant will always be 12v, either or not your automobile is on. Accessory will be 12v only if you turn the key to the "ON" place or the car is running.

In some cases, car stereos don't come wired with a 12v Accessory/Ignition wire, making an aftermarket radio tough to put in and function properly. Chevrolet systems and many Jeeps have an information signal cable that carries a very low voltage signal that tells the OEM Head Unit when to turn on, yet; it isn't compatible with aftermarket units. The best way to locate an Add-on/Ignition cable is to find a cigarette lighter that turns on if the car does. Get behind the lighter and tap into the positive wire and link it to your own RED Accessory/Ignition wire on your own aftermarket wire harness.

Access the backside of the radio. Get the harness that has the green and gray speaker wires. Ensure that the harness is linked to the port on the radio, which it is fully seated. Be sure that the power antenna lead is not linked to the remote turn-on lead, if an external amplifier is being used. These wires often look very similar, and can be confusing if the labeling in the wire is ignored. Once a CD is inserted, if this is really the case, sound will cut out with the de activation of the tuner.

If you find that one of your power wires or ground wires are not correct, review your vehicle cable diagram and make sure you've got the proper corresponding power and ground wires.

If you do not hold power, and you know for a fact your wiring is right, check the fuses under the dash or under the hood (depending on your vehicle). Simplest solution to locate the right fuse will be to check within the Owner's Handbook and find the fuse number as well as box location. Your manual should indicate which fuse is for the "Accessory", "Car Stereo", or something of the sort. After locating the location of the fuse, pull it and make certain the prospects aren't corroded and the fuse has not been broken or popped.




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