
Also, if one of the output channels are shorted out, or you have a blown speaker, many aftermarket amplifiers will enter protection mode. If you have a signal RCA wire that is shorting out, this could be your problem so check to see if your RCAs are in-tact and not shorted. Amplifiers will also enter protection mode if there is a short somewhere.Vice versa, if your battery is low and the amplifier is not receiving a constant 12v, it will enter protection mode. If your alternator is producing too much power, it will trigger the amplifier’s protection mode. Most aftermarket amplifiers have a protection from low and high voltage.If your speakers randomly stopped working and you noticed that your amplifier is in protection mode, there are a few reasons why this might have happened.After finding the location of the fuse, pull it and make sure that the leads are not corroded and that the fuse has not been broken or popped.

OUTPUT FACTORY 2009 RAM STEREO MANUAL
Your manual should indicate which fuse is for the “Accessory”, “Car Stereo”, or something of that sort.

Easiest way to locate the correct fuse is to look in the Owner’s Manual and find the fuse number and box location.

Get behind the lighter and tap into the positive wire and connect it to your RED Accessory/Ignition wire on your aftermarket wire harness. The easiest way to locate an Accessory/Ignition wire is to find a cigarette lighter that turns on when the car does. Many Jeeps and Chevrolet systems have a data signal wire that carries a very low voltage signal that tells the OEM Head Unit when to turn on, however it is not compatible with aftermarket units.
OUTPUT FACTORY 2009 RAM STEREO INSTALL
In some cases, car stereos do not come wired with a 12v Accessory/Ignition wire, making an aftermarket radio difficult to install and work properly.Here is a list of your common car stereo problems, symptoms and solutions to help get your stereo up and running! Problem: Can’t Find an Accessory/Ignition Power Wire Possible Solution: Whether it's an installation that might not have gone as planned, or a random problem that comes out of nowhere. Problem: Car Headlights Flicker When Music Is Turned Up LoudĪftermarket stereos can be a pain if they aren’t functioning properly.Problem: Installed a Car Stereo, Now Radio Doesn't Have Signal.

