I have had this in my car for 8 months no issues. Yesterday it stopped working. I noticed the light was red so I checked all my connections. I have checked the fuses, power cable, ground, tried new RCA's, checked the speaker wiring both in the box and on the cone, and checked the remote. I could not find anything wrong. So I had an extra amp lying around that I know works so I swapped them out and I am having the same problem. I am extremely frustrated and desparately want it to work!!!
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The red light on amplifier relates to power supply while the green light is indication of sound functionality. An amplifier that allows sound to generate should display both red and green lights. Howeever, some amplifiers would display only green as long as the sound is functioning.
Solving the problem
First, a red light still on means the power connections to the amplifier is fucntional least requirng repairs.
Second, the green ligh should turn on once the stereo were tuned up to produce sound. If the stereo is still on only least produce sound on the amplifier, check on the connection wires between stereo to amplifier that may have disconnected due to woofing or dubbing sound generals with unfirm wiring.
DID THIS JUST HAPPEN ALL AT ONCE ? OR DID IT GRADUALLY HAPPEN? CHECK GROUND FROM AMP , INSTALL ONE FARAD CAP . STOCK RADIO ISNT REALLY HELPING , MOST AMPS OF TODAY TAKE A HIGHER SIGNAL FROM HEAD UNIT . ADD ONE FARAD CAP AND SEE
Disconnect all input and output cables and check. If the light stays red, it suggests an internal error. If not, proceed by first connecting the Sub wires and checking, then the input RCA's and checking. Remember to switch off the system before connecting/disconnecting, I suggest also removing fuses during this process.