Question about Kenwood KAC-7252 Car Audio Amplifier

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Amp the power wire came loos and arcade on the amp. blowing the fuse. i put a new fuse in and the amp comes on for a in instant and shuts off. the fan on the amp is the only thing that work's.and the lite does not come on

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Sounds like you have blown 1or2 channels in the amp. The transistors that are against the heatsink. Check all you should find some are gone.

Posted on Sep 14, 2007

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Posted on Jan 02, 2017

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2 Answers

Will it hurt to replace the 20 amp fuse in my cigarette liter to a 25 amp it keeps blowing fuses


I am wondering if the fuse blows instantly or whether it lasts a while?

Fuse ratings for cars are usually mean or average values so a 20 amp fuse needs roughly 40 amps to cause it to instantly fail. I have not heard of a cigarette lighter needing that much current so I guess there is a fault that should be located and cured before you have a fire.
Maybe it is the element that is faulty...

I think fitting a 25 amp fuse would be slightly foolish...

May 12, 2017 | Cars & Trucks

1 Answer

2005 cobalt put new radiator fan on still blows fuse even if the fan is not pluged in just hopeing someone had same problem with theirs


If you had a 5 amp fuse and fan draws 3 amps all is good.
BUT, if there is a short circuit before the fan, it will blow the fuse.
Check the wiring is not chaffed or worn between fuse box and fan, or switch to fan.

Feb 13, 2015 | 2005 Chevrolet Cobalt

1 Answer

The blower fan wont shut off


The blower motor control processor ! HVAC BLO fuse #2 30 amp -location ,rear fuse box . It is under the back seat . This is s different GM vehicle ,but still the same as your's.
Chevy Trailblazer EXT Blower Motor Won Turn Off

Jan 18, 2018 | 2004 Buick LeSabre

1 Answer

My 2004 bonneville's won't blow air when the heat is on.


Fuses don't cause problems

A fuse is like a straight piece of wire,
there to protect the circuit from excess current

If the motor fails to come, on access the plug & power
to it & test using a wiring diagram,then pull the motor
if it fails to work when you put power to it, bypassing the
control circuits

Mar 25, 2014 | Pontiac Bonneville Cars & Trucks

1 Answer

95 ford mustang starter fuse keeps blowing. what should i do?


have you checked that the starter itself has not been grounded out (short in the wiring?)
The chances are this is what is causing your problem, start at the starter motor & follow the wires, check every single one, if you have a bare section that comes in contact with the body or anything else metal it will ground out that wire & cause the fuse to blow every single time even if you were to double the fuse resistance I.E. if the fuse is a 20 & you put in a 40 it will still blow - that last part is ill advice - never put a higher amperage fuse in a socket that was intended for a lower amperage fuse - it could cause a fire & serious injury, check all your wiring from the starter you have a short in the system somewhere it's just a pain in the a
4rse locating it

Sep 21, 2012 | 1995 Ford Mustang

1 Answer

Rf top ac on rv keeps blownig the 3 amp fuse


The 3 amp is 12 Volt protection for the control board. If that fuse is blowing instantly, then you have a short in the 12 Volt system somewhere. More than likely it is somewhere between the Thermostat and the control unit. Check to see if you have 12V at the thermostat. If so, then disconnect the red wire from the thermostat and the red wire at the control unit. At the control unit side, use an Ohmmeter to see if you have continuity with ground. If so, that wire is the culprit. If not, reconnect the red wire and continue to the next wire. Do this until you find the wire that is shorted to ground. Of course, the ground wire will not be checked.

Hope this helps,

Jeff

Jun 29, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

I have a kenwood kac-9152d amp i fried it opened it and the inner ground wire was fried in half now it just blows my fuses????


Dang! That's a class D anp! How did you fry it? If you "replaced" the internal ground wire and now it just blows fuses, I would say that the amp is direct shorted at the power supply if the fusesblow instantly when you put the fuses in.

Larry T
Winona Lake, IN
http://www.cybersoundsaudio.com/cybersounds/vehiclepics.html

Dec 26, 2008 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

Blowing 30 amp engine control fuse.


You say it eventually allows you to put new fuse in, do you mean when it sits for a while, a new fuse won't blow, but if it blows and you immediately replace it, it blows again instantly?

Sep 05, 2008 | 1997 Dodge Ram 1500 Club Cab

2 Answers

Amp in protection mode


Disconnect all speaker wires and signal cables from the amp. If it powers up normally (doesn't go into protection), the wiring needs to be checked. If it still shuts down, the amp likely has blown output transistors.

Nov 11, 2007 | AudioBahn A4401Q Car Audio Amplifier

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