Posted October 16, 201014 yr I have a JBL BP1200.1 and a JL 300/4 I recently disconnected/reconnected my battery and now both amps are refusing to power on. I checked with a multi meter that they ARE getting power but not even the lights are coming on. The JBL has 3 external fuses, all in tact, and the JL does not have any external fuses. What's the next step? Do I have to open these things up to inspect any internal fuses that may exist?
October 16, 201014 yr Did you check to make sure you are recieving 12volts at their remote turn on?+1 to this... if you don't have the leads for that connected then that is the culprit... if it is.. check that + and - aren't reversed although I'm not sure what would happen to the amps if that was the case..
October 18, 201014 yr Did u check the fuse under the hood. Odds are that both amps didn't blow at the same time.
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