What size power/ground wire are you using? According to the
manual you should be using at least 4 gauge wire.
Here's an excerpt from the trouble shooting section of that manual...
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If your amplifier does not appear to be working, check obvious things first such as blown fuses, poor or incorrect wiring connections, crossover switch set properly, gain controls properly set, etc.
There are two LEDs on the end panel of your Kicker KX series amplifier, one green and one red. When the green LED is lit this indicates the amplifier is turned on and no trouble exists. If the green LED turns off and the red LED is lit this indicates that the protection circuitry (SORT) is engaged. The power indicator on top of the amplifier which illuminates the model badge follows the same function as the green LED.
Green LED off, no output:
With a Volt Ohm Meter (VOM) check:
+12 volt power terminal (should read +12V to +16V).
Remote turn-on terminal (should read +12V to +16V).
Ground terminal.
Green LED on, no output:
Check RCA connections.
Test speaker outputs with known good speaker.
Substitute known good source unit.
Check for signal on RCA cable with VOM meter in AC position.
Red LED on, no output:
1.) Amp is very hot.
Thermal protection is engaged. Check for proper impedance at speaker terminals. Also check for adequate airflow around amplifier.
2.) Amp shuts down only while vehicle is running.
Voltage protection is engaged. Voltage to the amplifier is not within the 9-16 volt operating range. Have automobile charging/electrical system inspected.
3.) Amp will only play at low volume levels.
Short circuit protection is engaged. Check for speaker wires shorted to each other or the vehicle chassis. Damaged speakers or operating below minimum impedance will also cause this.
Low Power Output
Swap speaker connections from positive to negative.
If bass improves, the speaker was out of phase.
Alternator noise (whining sound that varies with engine RPM):
Check for damaged RCA cable.
Check routing of RCA cable.
Check source unit for good ground.
Check gain setting, turn down if set too high.
CAUTION: When jump starting the vehicle, be sure that connections made with jumper cables are correct. Improper connections can result in blown amplifier fuses as well as failure in other systems in the vehicle.
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Squirrel
"No more Cpt. Kirk chit chat"
If its too loud, then you're too old
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