Question about Kenwood KAC-9152D Car Audio Amplifier
I hook my system up.. car off power wire says 12 volts... turn the car on and power goes down to 4 volts.... help grately appreciated
A 2nd ground isn't good unless it's the same guage as the 1st and it's grounded AT THE SAME POINT as the 1st one. Did you check the voltage at the amp? I wouldn't trust your dash gauge as I've seen them report a unreliable display under a load. I hope you're in good shape now. Booming season is fast approaching lol!
Posted on Jan 30, 2009
75% of the time all you need to do is reground the ground wire. If you don't have a sturdy ground it can't complete the circuit. Make sure to grind off the paint so you're grounding to bare metal. Also, make sure your ground wire is the same gauge as the power wire or larger than. That should do it.
Posted on Jan 29, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
Sep 04, 2012 | Blitz 1600 Watt 4 Gauge Amplifier...
Should the amplifier go into protect mode, simply disconnect all RCA and speaker leads, while keeping +12 volt, power ground and remote leads connected.
1. Now turn the amplifier back on, and if the diagnostic LED lights, the amplifier has an internal fault.
2. If not, plug the RCA cables back, and reset the amplifier. If it goes into diagnostic now, the fault lies in the input, either with bad cables or source unit.
3. If the amplifier seems fine with RCA cables plugged in, connect the speakers, one at a time, and if one of the speakers or its wiring is faulty, it will activate the diagnostic
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