Question about Car Speakers & Subwoofers
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If you have a volt meter or a test light you can use it to see if you have some voltage on the remote terminal on the amp.
If you do not have either of those items, just disconnect the remote wire and see if the light goes out.
If the light goes out, you have voltage coming from your radio that is keeping the amp turned on, that is normally a problem with the radio. The remote output of the radio may have a shorted transistor in the circuit.
If the light stays on, you have a problem with the amp. It is rare to have an internal electrical problem with an amplifier and the amp still works normal. That is not to say it can not happen, there may be a component that is shorted in the turn-on circuit of the amp that is isolated to the turn on cicuit only, and it keeps the amp on all the time.
This will become a big problem soon if not repaired. If the amp is staying turned on even when the car is off you will drain your car battery rather quickly. Most amplifiers will draw between 1 amp and 2 amps of current with no signal applied, this is called the idle current.
Find out which unit is causing your problem and take it to be repaired, it is most likely an electrical problem that will need good electrical troubleshooting skills to locate.
If you need any more help with this feel free to ask, with the model number of the unit at fault I can even find you some likely suspects to be checked.
Don't forget to give me a "FixYa" if this information turns out to be helpful.
Posted on Jun 19, 2008
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