Question about Kenwood KAC-9152D Car Audio Amplifier

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When i hook up the remote wire it makes my power wire go to 4 volts

The power wire says 12 volts until i hook up the remote then it goes down to 4 volts......very weird

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If the battery is strong enough to start the engine, you probably have a bad connection or a defective fuse in the power wiring. If you solve the voltage problem and the amp blows fuses, it likely has shorted output transistors.



Posted on Oct 13, 2008

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How to connect wires to amp


Most amps have 3 places where you need to hook up wires to power them. the 1st is a ground wire that at best is 1 foot long and it goes on the ground or negative 12 volt connection then a bolt on the car you may need to sand off the paint for it to work, 2 a RMT or remote wire that is normally in the middle of the power and the ground connections the remote turns the amp on and off so it needs to go to the remote wire on the radio or a ignition spot on the fuse box - turns on with key on and off when you turn the key off , 3 the power wire is hopefully large 4 gauge wire and goes to the + 12 volt plug on the amp this wire has a in line fuse and goes to the battery and to the amp only. RCA wires go from the radio to the amp and are round and just plug in with no screws some factory radios need a conversion kit you can get at walmart for RCA wires. the speaker wires have some sort of mark or line to tell you what to put were like if you put the line on a negative on the amp you need to put the line on the negative on the speaker box to or it will not bass and could hurt your amp. ask me if you need anything else :) and please rate :/

Sep 04, 2012 | Blitz 1600 Watt 4 Gauge Amplifier...

1 Answer

Nitro 483 amp where do you hook up the power it has a gnd rmt and +12v what hooks up where


Fused 12 volt power wire from the battery connects to +12V at the amp. Chassis ground wire connects to gnd at the amp. Switched 12 volt power wire (accessory) (remote turn on from after market radio) connects to rmt at the amp.

Jan 18, 2011 | Nitro BMW-483 Car Amp

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I removed the remote wire to change the amp position, and when I hooked it back up, the power light came on for a brief second and then faded out. Not to come back on again


the remote wire might have touched ground... make sure you still have voltage on the remote wire with the radio turned on....another test is jump the main red wire to remote also..

Sep 12, 2010 | Alpine MRP-M450 Car Audio Amplifier

1 Answer

Can kicker 1000x1 amp detect if my speaker is bad and turn itself off?


The Kicker 1000x1 Amplifier does not turn off if their is an Open Line (blown sub) on the Speaker Terminals.

  1. Remove all Speaker Wiring from the Amplifier, leaving the Power, Ground, Remote, and RCA wires plugged in.
  2. If the Amplifier fails to turn on, check your Remote wire for power.
  3. If the Remote wire is powering up with the Head Unit (should be anywhere from 5-12 Volts), check your Power wire for +12 Volts, and check your Ground wire.
  4. If you are getting +12 Volts Power and your Remote wire is putting out 5-12 Volts but your Amplifier still won't turn on, it will need to be serviced.

Jul 24, 2010 | Kicker ZX10001 Car Audio Amplifier

1 Answer

I have two amps one for my speakers and the other for my subs it was working fine but recently one of them turned off. I thought was a short circuit and bought a new one but still doesn't work. Its looped...


When running multiple amps you need a relay most of the time for the remote wire off the radio this is because the radio was built to power one not multiples. one 12 volt relay may help .check local car audio store. also when hooking up relay it has to have a 12 volt power wire connected to it usually the center pin on the relay is your connection for the power wire the you connect your remote wire from the radio to the relay then connect each amp independently to the relay. Hope this helps write back if not . and if so leave feedback

May 09, 2010 | Stingpro ST444 1850 Watts Complete...

1 Answer

Wont turn on. everything should be connected properly, got new fuses to make sure. It worked fine until i dismounted and disconnected it from the battery. When i reconnected it, no luck it is a Autotek...


Make sure this high powered amp is not mounted directly to the chassis of the car. Mount it to a wooden board and you can screw board into the car. Because some very high powered amps can arc and damage itself.

Next make sure the tubular fuse in the hood is not bad it may look good but internally it got real hot and caused a bad solder connect in the fuse. You can test it with a meter. Measure one side then the other side if the 12 volt is going thru the fuse.

Next step is now you know your amp is getting 12 volts from the car battery but do you know if your amp turn on signal is turning on the amp itself. This is a easy test get a little wire and jump the 12 volt to the amp turn on wire if the amp comes on then you have found your problem. The amp turn on voltage is too weak were ever youve connected the signal. Normally you hook it up to the blue/white wire on the back of the radio first. If it doesnt have one hook up to the blue. Now on some very rare occassions the voltage drops when you put a load to it and is not enough to turn on your amp you can easily see this if the voltage across the blue wire goes below 12volts so hook it up to the red ignition wire so at least when you turn on your radio the red will send 12 volts to the amp to turn it on and will not drop in voltage. You see that wire has to be 12volts when it drops the amp will not turn on. Same with the battery Voltage you have to maintain 12 Volts or higher for the amp to operate.

Apr 08, 2010 | Autotek Super Sport SS-400.4 Car Audio...

2 Answers

My Kenwood KAC 9152D Amp is hooked up to power and wont turn on.No light no nothing. Power going to it is good though.


Check your ground. Make sure you sand off any paint where you grounded the amp. Also did you hook up the remote wire? It's the blue wire on the back of your headunit. Some say remote wire, others say power antenna either one will work. Sounds like one of the two...hope this helps.

Mar 28, 2010 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

Power wire reads 12 volts,turn car on and it goes to 3.5


WHAT IS HAPPENING IS UR SYSTEM IS PULLING TO MUCH POWER FROM UR BATTERY, I WOULD RECCOMEND GETTING A CAPACITOR.

Mar 20, 2009 | Kenwood KAC-9152D Car Audio Amplifier

2 Answers

Car audio, power wire problem...


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.

Jan 25, 2009 | Kenwood KAC-9152D Car Audio Amplifier

2 Answers

Car amp blows 12 volt wire fuse


the wire from your battery is blowing fuses? and you are using 20-30 A fuses? mine has a 100A fuse..look into getting new wire plus my wire is 4 gauge.., 1600 watts is too powerful for a 12 g wire and a 30 A fuse

Jul 26, 2008 | Car Amplifiers

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