Question about Kenwood KAC-7203 Car Amp

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My fuse [40A] keeps blowing when i turn up the sterio. (kenwood kac-7203)

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Kenwood 7202 Amp that is blowing fuses

i had the same problem ! that amp is underated!
it should have 2 / 40 amp fuses i had to direct wire the fuse!
not a smart thing to do but it never shut off again and i havent
had any problems at all i put a 60 amp fuse at battery!
melted 1 wire that was two small ! its banging 2 / 12inch solo barics and sounds great hits deep. again not smart BUT it works.

Posted on Dec 01, 2007

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jerryg50
  • 1667 Answers

SOURCE: AMp keeps blowing fuses

When any amp blows fuses, this indicates that something is drawing too much current. The most common cause are components in the output stage and driver stages that have become defective.

On the amp that is blowing the fuse with the volume being turned up, this means that the output stage is partially working. The short or over-draw of current must be in the output stage, or what is loading it. It is possible in this case that a crossover in a speaker unit is defective, and is drawing too much current. I have seen this with especially sub-woofer crossovers, and the driver itself. Subs pull a lot of current because of the amount of drive power required to have very strong bass sounds. Other than that, this still does not rule out the possibility of the problem being defective components in the amplifier.

Jerry G.

Posted on Apr 25, 2008

foskorider
  • 79 Answers

SOURCE: HAVE A KENWOOD AMP MODEL KAC-9102D . iT KEEPS SHUTTING OFF WHEN i TURN THE RADIO LOUD. ANY SUGGESTIONS

either bad ohm load or over heat if the ohs on the speaker wires to the amp are lower than specified use in the manual it will act funny cause it is pusing harder than its meant to and if it gets too hot either bad location or bad amp you can try turning the gain down a little until the amp stays on constantly at high volume

Posted on May 18, 2009

rteemon
  • 578 Answers

SOURCE: Keep popping fuse

you got short in the curcuit

Posted on Jun 26, 2009

etirbynnor
  • 655 Answers

SOURCE: Kenwood KAC-729S keeps blowing fuses.

Hello opey_69a,

Here are the troubleshooting steps for fuses blowing.
1) Remove all wiring except ground, power and remote and see if the amp powers up without blowing the fuses. If it does, the problem is in the input cables or speaker wiring.
2) The use of loudspeaker impedances below the recommended minimums will cause the amp to draw excessive current - check.
3) A shorted or grounded RCA cable may cause the fuses to blow - check.
4) If an amplifier fuse blows continually, with only +12 volt, ground and remote leads connected, the amplifier is probably defective, most likely shorted output MOSFET's. In this case the amp needs professional repair or replacement.

Hope this helps.

Posted on Sep 20, 2009

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1 Answer

I have a kenwood kac-7203 1000w 2 Chanel car amp n soon as I give it power it blows the fuse instantly what causes it to do that


There is a short circuit in the wires or in the unit! First check all wires it, could be any, you would need to check with a circuit tester!

Dec 05, 2014 | Car Audio & Video

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Amp wont turn on


Bad Ground
Bad Connection to Power, not getting 12.5 Volts
Or
Remote Lead is Bad
Good Luck!

Oct 20, 2010 | Kenwood KAC-7203 Car Amp

1 Answer

KAC-8104D Car Audio Amplifier: Fuse keeps blowing why...


Most likely a bad ground connection, clean up where the ground is connected to the vehicle, check the power wire connections too, if that doesn't help route the ground wire to either the chassis or the battery to get a lot better connection, also possibly if you have the amp on full gain (max power) it may be getting a surge from your vehicle which means turn to down a little or get a capacitor.

May 16, 2010 | Kenwood KAC-8104D Car Audio Amplifier

1 Answer

I have a kenwood kac-7202 and it keeps blowing the in-line fuse


Are all the wires hooked in right? On the bare parts of the wires, are there any 2 wires touching? Most importantly, do you have the correct fuse for the stereo?

Oct 11, 2009 | Kenwood KAC-7202 Car Audio Amplifier

1 Answer

No wiring diagram for amp


+ red power to battery
- black negative cable to body/ground
rem blue remote wire that connects to blue wire
on the back of your cd deck

Jul 05, 2009 | Kenwood KAC-7203 Car Amp

1 Answer

AMp keeps blowing fuses


When any amp blows fuses, this indicates that something is drawing too much current. The most common cause are components in the output stage and driver stages that have become defective.

On the amp that is blowing the fuse with the volume being turned up, this means that the output stage is partially working. The short or over-draw of current must be in the output stage, or what is loading it. It is possible in this case that a crossover in a speaker unit is defective, and is drawing too much current. I have seen this with especially sub-woofer crossovers, and the driver itself. Subs pull a lot of current because of the amount of drive power required to have very strong bass sounds. Other than that, this still does not rule out the possibility of the problem being defective components in the amplifier.

Jerry G.

Apr 25, 2008 | Car Audio & Video

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