Question about Kenwood KAC-9102D Car Audio Amplifier

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Dodge ram 1500 head unit shorted out

I installed a 4 channel amp with speaker inputs and my radio started smoking and now will not power up. How do I find the short?

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  • 14 Answers

The output IC mounted on the heat sink is the part that will burn
if you did a bad connection using the output wires.

Posted on Sep 14, 2014

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Posted on Jan 02, 2017

  • 119 Answers

SOURCE: Speaker outputs blown on 4 channel amp

the outputs should be replaced in pairs, there are 2 to 4 pairs, but you sould only need 1 pair replaced. these transistors typically range between 10 to 30 cdn each + labour, look for 1 to 1.5h to replace & test the unit after repair. check your local repair shop for their rates. good luck

Posted on Nov 30, 2006

SOURCE: my back speakers wont produce any sound

OK I believe there is a small indented "Reset Button" around somewhere on the back of the unit, With the unit powered ON, & using a small diameter implement, straightened paper clip etc, press IN the button and this should "Reset" ya unit. This may indeed fix all your problems as the Unit "Reads" the speakers at turn on.

Posted on Aug 08, 2007

  • 631 Answers

SOURCE: car amp

Can you be more specific?

Posted on Oct 25, 2007

  • 2 Answers

SOURCE: Radio will not play unless high level input is disconnected/recon

took at ur rca on the amp they may going

Posted on Mar 13, 2009

  • 7 Answers

SOURCE: All the power and head-unit cables were installed

try checking the amps fuses

Posted on Apr 20, 2010

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I need a wiring diagram for a 2008 dodge 1500 radio


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2008 Dodge Ram 1500 Car Stereo Install Instructions
Car Radio Battery Constant 12v+ Wire: Gray/Red
Car Radio Accessory Switched 12v+ Wire: N/A
Car Radio Ground Wire: Black
Car Radio Illumination Wire: N/A
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Dark Green/Yellow
Left Front Speaker Negative Wire (-): Dark Green/Light Blue
Right Front Speaker Positive Wire (+): Gray/Yellow
Right Front Speaker Negative Wire (-): Gray/Light Blue
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Gray/Light Green
Left Rear Speaker Negative Wire (-): Gray/Dark Green
Right Rear Speaker Positive Wire (+): Dark Green/Gray
Right Rear Speaker Negative Wire (-): Dark Green/Light Green

Jan 28, 2011 | 2008 Dodge Ram Pickup 1500

1 Answer

My 4 channel amp keeps going into protect mode when i power on,its not a imminet light,but it blinks once then dies out,plz help


Remove all speaker inputs and outs and just have your 12volt battery, ground and radio remote connected and power up the amp. If it turns red instantly, then the amp is shorted/blown. If it stays green, then install your speaker inputs and outs one at a time. make sure your amp is on while your doing this. if the amp goes into protect mode, take note of which wire it was for it's most likely shorted. Fix that shorted wire and the unit should stay on.

Apr 13, 2010 | Car Audio & Video

1 Answer

I have two 12 inch rockford p1 punches powered by an 800 watt sony explode amp (2 Channel) and i want to install another 15 inch kicker with a 1200 watt amp not sure the model, i got it from a friend and...


I have a similar setup & I just run the second amp straight off the other amp by running positive & remote wires directly from 1 amps positive & remote inputs to the others amps inputs. But my head unit has RCA inputs, (sub in & front & rear inputs) so from my 4 channel amp I run 2 6 inch alpine S's to the front to the front RCA inputs of the head unit, & 2 Pioneer 440w 6x9 inch speakers to the rear inputs. & my 800w 12 inch sub from my 2 channel amp to the sub woofer inputs on the head unit. Has blown my eardrums for nearly 12 months now great stuff! Hope this has helped

Mar 12, 2010 | Sony Car Audio & Video

1 Answer

Hi, I'm trying to install a sub and amp in my 2006 ram w/OE head unit. What wires do I have to tap into to get speaker output? Thanks, Chris


You'll need power from the battery to your amp (you may be able to find a spare one at the head unit), and, using suitably thick wire, connect those to the 12vDC input of the amp.

If the amplifier accepts speaker level inputs, you can connect the amplifier input to the head unit output (maybe use the rear speaker output). At the other end of the amp, connect your subwoofer. If there's only one, use the amp bridged (more power). If you're using two, and your amp has 2 channels, use one channel per subwoofer. When you power all this up, turn the volume up from 0 slowly - if anything sounds wrong, turn it back down and switch it all off. Check all your wires and start again.

Jan 14, 2010 | Kenwood Car Audio & Video

1 Answer

No sound from RF & RR speakers


run new wire to the speakers is what i would do but u have to do it to all due to there possibly being a pre amp in the vehicle.

Oct 24, 2009 | 1999 Dodge Ram

1 Answer

I want to connect my ipod to the aux inputs on back of unit


Hello gcd_sun,

The RCA jacks on the back of the Pioneer DEH-1500 are preamp outputs, not inputs. They are to connect an external amplifier for additional speakers or subwoofers.

The output from your iPod is probably "bleeding over" into the receiver detector stage. When the antenna is disconnected, the signal passes into the amp by itself. Connecting the antenna provides enough signal so that both are amplified.

To connect the iPod, you need to purchase a wireless iPod adapter, or a new head unit that includes an "AUX" input or a dedicated adapter for the iPod.

Hope this helps.

Sep 10, 2009 | Pioneer DEH-1500 CD Player

1 Answer

How to hook up a pyramid pro plus 4 channel pb-180px without using rca jacks for 6 by 9s


The pb180 has High Input receptacles on the back end. They are marked High Input and identified as Channels 1&2 left/right, and channels 3&4 left/right. You will need to identify all speaker wires coming from your head unit ( left front +&--) , and so on. You will be sending the speaker wires from the head unit to the pb180's High Inputs. In other words, the front left speaker wires(+&-) from the head unit will go to the High Input Channels 1&2 side, left input of the pb180, and so on, so the speaker wires coming out of the head unit will need to be cut. And LABEL all sets of speaker wires before you cut them! Then on the OUTPUT end of the pb180, you will be sending the wires back to the the respective speaker wires which are going to the speakers. So it's out from head unit to pb180 and out from pb180 to speakers.
Hopefully you have the plugs that Pyramid uses for the speaker wire inputs to the amp. If not you have to get creative, and make up terminals to fit into the input receptacles. Maybe a wire terminal from Radio shack will fit those pins..
Also, if you go on line: Google search "Pyramid auto amps" and click on "SEARCH" (upper right hand) of their Web Page. Plug in your model number like this, pb180, and you'll be able to download the manual for this amp. The manual has a full description of the wiring options.

Hope this was helpful and Good Luck!

Jul 27, 2009 | Pyramid Audio Players & Recorders

1 Answer

Hello, I have a 2000 VW passat with a Monsoon radio system. How do you install a new head unit and speakers while maintaining the factory amp? If this is impossible, Can I use the current speaker wires...


Hello ctr1russo,
While it's not impossible to install a new head unit and speakers and leave the factory amp, it'll be a real bear of an install.
In order to work, the Monsoon amp needs 6v which is provided on the speaker leads. An aftermarket head unit will not provide that. Best to just install a new amp.
You should be able to use the wiring, including the speaker wiring, with no problems.
Check out www.bestkits.com for the appropriate adapters and wiring harness for Monsoon equipped vehicles. Just enter your vehicle info and it should bring up the required adapters and harnesses to make everything work properly.
There are three ways to connect more than one speaker to a single channel: 1) Parallel - both speaker +'s and -'s wired together - load impedance will be halved (2 4-ohm speakers in parallel equal a 2-ohm load). 2) Series - The + of one speaker wired to the - on the other speaker and the remaining + and - going to the channel output - load impedance will be doubled (2 4-ohm speakers wired in series equal an 8-ohm load). 3) Using a crossover - connect the bass speaker (woofer) and the input of a high-pass filter directly to the channel output and the treble (tweeter) speaker to the output side of the filter. In any of these connections, you want to make sure that the load (ohms) your amp "sees" is not less than it is rated for. Most amps will work into a 4-ohm or a 2-ohm load with no problems. Going below 2-ohms is bad, because it will cause the amp to overheat and possible fail. Going above 4-ohms is no problem for the amp, but it won't produce as much power (watts) at the higher impedance and your speakers will not be as loud as they could be.
Hope this helps. If it does, please rate as "FixYa:. Thanks!

Apr 21, 2009 | Car Audio & Video

1 Answer

Wiring car amp up


the rem wire is for switched power from your head unit usually most after market stereos(head units) have an output for the rem wire.......if not use the power antenna wire from the back of the radio (usually blue or blue white) as for the input you need to use one or the other low or phono
Hope this helps..Good Luck!

Dec 13, 2008 | Car Audio & Video

1 Answer

2 channels not working on 4 channel amp


Well firstly are you using a parametric crossover with your radio and how much rca cables do you have coming you head unit (car radio) if you going to bridge the front up with you rear speakers u wont be able 2 hear the rear speakers try hookinking it up 2 your head unit's front speaker output and have ur rca cable connected to your amp running on your rear output of your head unit by doing this you can use your fader on your head unit to control your front and rear speakers

Nov 07, 2007 | Rockford Fosgate Punch 300X Car Audio...

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