How do you diagnose a car amplifier problem?
Take a battery, 9 volts or less, and momentarily touch its poles to the positive and negative wires of a speaker. If the wires and speaker are good, you will hear the speaker click. Test all the speakers this way. If all the speakers click, it means the amplifier has a problem and probably needs to go in for servicing.
Why did my subs stop working all of a sudden?
The most common cause of speaker failure is short-circuiting. A short circuit in the wires providing the signal will prevent the signal from ever reaching the subwoofer. A short circuit at the terminals on the subwoofer will also prevent electrical current and signal from reaching the subwoofer.
Why is my amp not getting enough power?
If the Amp Doesn’t Power On at All To turn on, the amp needs power at both the remote and power wires, in addition to a good ground. If the remote turn-on wire doesn’t have power, your amp won’t turn on. If it doesn’t, check for any inline fuses and verify that the wire isn’t loose, corroded, or shorted out somewhere.
Can a bad ground cause an amp to go into protect mode?
Ground Problems In some cases, a loose or shorted wire causes an amp to go into protect mode to prevent a more serious problem from occurring. Diagnosing and fixing this requires checking each individual power and ground wire. Power issues may be related to a loose or burnt wire, but a blown amp fuse is also possible.
What should I do if I have an amp problem in my car?
Turn off the power supply before handling the fuse. Make sure you deactivate the amp first. If you’re troubleshooting a car amp, turn off the car’s engine and remove the ignition key. Otherwise, unplug the amp from the wall. Always turn off the electricity before handling fuses or exposed wires.
Why is my amplifier not working in my car?
If the amplifier turns on but there is no output to the test speaker than you know it isn’t a problem after the amplifier. And since you’ve checked the power and input signals to the amplifier this only leaves the amplifier itself as the problem.
Why does my amp lose power when I turn it on?
Listen for a pop as soon as you turn on the amp. The amp will lose power right after that. If the fuse blows before you turn on the amp, the problem may be in the electrical circuit. This could mean your car or home wiring is broken or getting too much power.
What should the power wire be on a car amplifier?
Power wire should be at around 12 volts with the car off, 14.4 volts with the car on. If these are all correct, check the fuses on the amp and the in-line fuse. Check to see if they are blown. You can also check them with a volt meter, each side should read 12 volts.