Question about Car Audio & Video
Many car stereos use an anti-theft pass-code scheme. If the stereo is removed from the vehicle, lock-off is triggered by the loss of battery power to the stereo, and the only way to get it to turn on is to enter the pass-code on the front panel buttons. If you had to disconnect the battery, or it went completely dead on you, that's your problem. Check the manual for your stereo for details.
Note: some stereos requiring entering the pass-code before disconnecting the battery - for those who might have such systems, save yourself some grief and check your user's manual ASAP so you are prepared.
Another possibility is a shorted speaker amplifier has blown the radio fuse. Check the speaker wiring for damaged insulation before you install the repaired or replaced stereo. A competent electronic technician can generally check the amplifier modules or transistors for shorts and replace them as needed. Be sure to ask which speaker output is bad so you know which one needs a wiring check.
Posted on Apr 03, 2015
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Posted on Jan 02, 2017
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