Question about Jensen 100W x 4 Amplifier KA5 Car Audio Amplifier

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Vrcd400-sdu error code 13

My stereo shows an error 13 when I try to play my usb. Does anyone know what the problem might be.

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Re: vrcd400-sdu error code 13

For those with the VRCD400-SDU, not exactly a solution, but the manual states that . . .

"Error Code 13 = Defective USB / SD Card Reader"

This most likely means your USB and SD card days are over until you can get this replaced. I would call VR3 (1-800-445-1797) their customer support is usually great, however if your warranty is up they might not have the answer your looking for.

I just purchased this unit and installed it yesterday, so far so good (except it won't read my SDHC cards). I'm going to keep my fingers crossed and try to minimize switching SD cards. Of course for the $50 I spent on it I can't complain.

Posted on May 09, 2009

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Re: vrcd400-sdu error code 13

Does your usb device use batteries,some device require.

Posted on Aug 22, 2007

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How to install kicker amp to a 1995 f-150 new

nice radio bud. also want to say that the kicker amp will take the input from the stereos rca subwoffer out port on the back of the stereo, i have read about your radio before answering your questions to ensure acuracy.

Taken Directly from your manual

Press and hold the SEL button until LCD display “DSP OFF”. Press SEL button again and LCD display “WOOFER OFF’. Rotate volume to activate the subwoofer control function, then leave the unit idle for your desired setting to take effect. Make sure the unit is connected to an external amplifier.

RCA Line Out

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on page 8 of 22 on this ebook illustarted the proper wireing configurations for an aopmilifier. note: the remote wire must be conencted to the radio to the amp remote to allow radio to trun amp off and on good luck.

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Vrcd400-sdu car stereo

email the maker of the unit and ask for one

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1 Answer

Error code 13 on my car stereo

I visited and found the following in the manual: Problem: MP3/WMA Files on the USB/SD flash memory do
not play.
Answer: Flash memory is formatted as NTSC.
Format the flash memory as FAT or FAT32.
The files have Digital Rights Management(DRM).
If the files you are attempting to play were
purchased online, they may have Digital Rights
Management, this unit is not DRM compatible.

You may want to call VR3 at (800) 445-1797 and inquire about that specific code just in case though the answer above was not given as "error 13" I just made an educated guess based on the problem given.

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bwqueen-What type of vehicle are you installing it into,cause some vehicles have built in factory amplifiers.The ones with factory amps need a remote turn on to power up the speakers,let me know and I'll try to help you. cooltek Mar,4/08

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Help putting code in

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I need a vrcd400-sdu modular plug diagram

I had to rewire my whole thing but i got all my wires right.
NOTE:this is if you are looking directly at back of the unit

x fl rl rr fr x R Y RCA-in sub-out Antenna
O O O O O O O O + O-white O-white O
x fl rl rr fr x B
O O O O O O O O - O-red O-red

X= not used
+= positive wires
-= negative wires
fl= front left speaker
rl=rear lrft speaker
rr= rear right speaker
fr= front right speaker
R= red power (ignition) wire
Y= 12v memory
B= chassis ground

im pretty sure thats about it if your having trouble reading this email me at im more than glad to help cause i know how it is trying to figure all this stuff out .

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1 Answer


Hi Theaternut,


Best guess is that your source button or whichever button changes from cd, to Tuner, to usb, to Card, is shorted, and needs cleaning.  Its like the button is always pushed.


see if you can carefully dsiassembly the reciever to get to the circuit board behind the button I speak of, and clean it.

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LED turns on, but power light doesnt and there is no sound coming out of it.

it sounds to me like you have a bad ground or a short in the ground wire. try checking the ground cable as well as theremote wire (blue), and make sure the ground is connected to an unpainted,clean surface such as the frame of your car.

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