Question about Car Audio & Video
You checked the car's fuse for the radio which was possibly 15 amps. The problem is the car's fuse would be ok, what you need to check is the +12 volt DC voltage regulator in the radio. I will be willing to bet that it is now bad (open not shorted), due to what is called battery voltage reversal damage, which is strange because most radios now have diode protection for this very reason. If this is your problem it might be a simple task to just replace the regulator (+12volt DC voltage regulator). This should solve your problem. Now if you do not have a background in electronics, I would suggest taking your car radio to a qualified Radio repair person for repair, the cost should be minimal if it is just the regulator that is bad, also check the radio's fuse (either internal or external)
I hope this helps
Posted on Jul 28, 2008
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Posted on Jan 02, 2017
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Feb 25, 2018 | JBL Car Audio & Video
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