Question about Kenwood KAC-7202 Car Audio Amplifier

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Amp blow a fuses

My amp is blowing all the fuses, i already check the ground, the volts, the fuse rating, everything is ok, I don't know what is wrong?

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  • Anonymous Feb 11, 2008

    my amp keeps blowing fuses and the checked all my wires for cuts or nicks, and to see if any wires are touching but everything looks good. Can u help u give me some advise on what should i do?

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1 Answer

Your amp is dead you moust going to the center service

Posted on Aug 21, 2007

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Posted on Jan 02, 2017

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1 Answer

Why is fuse E hot on ground side w/key in on position. w/fuse removed.


Fuse E is 15 amps, not 50 and does not have a "ground side". The fuel pump relay receives power through 20A fuse O. The fuse links are "hot all the time" because they are connected directly to the positive post of the battery.

May 16, 2014 | 1994 Ford Bronco

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Blowing fuel pump fuse some times when hit bumbs in road 2001 jeep wrangler


Sorry to say asking questions on a web site & expecting
an answer based someone guessing, won't help you get
to the problem

You have to actually test to resolve vehicle issues

I doubt any bumps are involved as the only cause

If you have a fuse blow you know the issue

Short to Ground -thus fuse goes
Overload Current Wise --thus fuse blows

So you get a wiring diagram of the effected circuit & have at
walking down the entire circuit from the battery to the fuel
pump, in your case

A volt meter & diagrams & lots of time

Never want a fuse to blow, but you at least
know what to look for now it does.

The fuel pump could be the issue if it binds up

Check Pump for current draw & voltage drop the entire
system from battery looking for short along the way- after
you eliminate the pump

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1 Answer

Tumble dryer blows main fuse


check fuse rate on dryer if same rate. check dryer for amps if pulling to many will blow fuse, if dryer is ok check from plug in to fuse.

Jul 29, 2012 | Hotpoint Dryers

1 Answer

Interior lights, moon roof and windows don't work. Changed fuses many times and they kept blowing out.


Why would you change a fuse more than once?

Don't you know what a fuse is for?

If it blows out even once,you have a higher
current load than the fuse is rated at, or a
short to ground

Have the items that don't work correctly ,
diagnosed & repaired.

Jul 13, 2011 | 2008 Ford Fusion

1 Answer

The cd player is not able to save eny thing like radio channals and every time when i start the car engin the cd make auto eject it mean that i have a problem with saving can u help me about this


you must have a digital volt meter and to find this out .
1. remove radio
2. take the volt meter and turn it onto dc voltage
3 take the black test lead and put it on ground for the radio it will be black find in harness on back of radio .
4 take the red test lead and find the yellow wire this is constant power must have 12 volt on wire doesnt matter if the car is running or off this wire is from battery it gives the radio power to save station presets and the clock and return the cd to were it left off from when radio turned off.

if no power at yellow wire go to fuse panel and use your digital voltmeter to check fuses for a blow fuse . take the meter turn it on meter to dc voltage and the take black test lead and find a good ground (clean piece of metal and then the red test lead start touching testing the fuses.


(turn your car ignition switch to run but dont start car) why some circuit in car only power up when you have car ignition on ....)

on the fuse there is the amp rating in the dead center on either side of the rating is the blads of the fuse expose to test the fuse touch the red test lead to the left and see if you get 12 volts. then test the right side of the fuse to see if you get 12 volts if not fuse is blown . do this to all the fuses untile you find a blow fuse you could just pull one fuse at a time untile you find blow fuse. if you do this make sure right amp fuse get back to the right spot in fuse pannel. if not you could have a fire maybe or melt something in car if a circuit fails and goes to blow fuse and fuse is too big and fuse doesnt blow ....

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2 Answers

Amp blows fuses


Are you using the correct fuse? if so,
more then likely, you don't have a good ground. Try grounding to something else that has more direct connection to your frame. If that doesnt work, try getting larger power cables.
I had the same problem with my 2500w xplodes all I had to do was get a thicker cable for the ground and battery connection. What was happening, was it was needing more power then the wire and fuse could handle, so it would blow the fuse, since the higher you have it, the more power it needs to feed the watts.
I would try grounding it directly to the frame on a good part of the frame before spending another $70 on new power cables though.

Mar 09, 2010 | Car Audio & Video

2 Answers

Hi I have a 1998 audi a4 and the blower motor keeps blowing the fuse number 25 once the key is turned on. I know the motor works as I put a hot wire on it, how can i find the short? or fix it with a new...


Hi, first off, check to see if there is anything else on the same circuit, e.g is everything else working with the fuse blown. The cigarette lighter is a favorite. If everything else is ok, use a a multimeter set to amps from the positive battery terminal to the heater motor input terminal (with a suitable fuse in line) to test the amps draw of the motor. You can then compare this with the fuse rating recommended and if it's greater than 2/3 of the fuse rating, then replace the motor. e.g 10 amp fuse 7 amps max loading, 15 amp fuse 10 amp loading.
Hope that helps Matt..

Nov 23, 2009 | 1998 Audi A4

3 Answers

Can I use a 5 amp 240v AC domestic fuse to replace 5 amp 12v fuse


A fuse is rated for it's current carrying capacity so yes you can use a 240 volt 5 Amp fuse in a 12 Volt circuit.
The Voltage is given to indicate the insulation of the fuse, i.e. if you used a 12 volt fuse in a 240 Volt circuit it may arc and therefore is not suitable. You can always use a fuse with a higher voltage rating in a lower voltage rated circuit.
A 5 Amp fuse will carry 5 Amps indefinately and will only blow at 2 or three times it's rated current.

Oct 26, 2009 | Max American Terminal 30 i Fuses

1 Answer

Kenwood KAC-729S keeps blowing fuses. Checked all cables, re-ran power, remote, and ground. All good, still blows them at power-up.


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.

Sep 19, 2009 | Kenwood KAC-729S Car Audio Amplifier

2 Answers

Mackie 1200/1400 blows all 4 10 amp fuses


missmatched impedance, insufficient ground, blown transistor.

Jul 20, 2009 | Bob Mackie Mackie M-1400i Power Amplifier...

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