Question about Jensen Car Speakers & Subwoofers

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HI,have modle vm19311ts,,,,need to know what wires to hook to power to test,,,was a 2nd hand unit for sale,,,thank,s for any help

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You'll want to power the red (switched ignition - the one that turns the system off when the key is off) and the yellow (constant 12V - used to maintain memory settings and tone settings when the car is off). Ground the black wire. This will allow you to power up the unit, although with no speakers hooked up you won't hear whether the internal amplifier works.

Posted on Oct 25, 2008

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Do you have the remote on from the head unit hooked up. If there is nothing to tell the amp to turn on it wont. You can bypass this to see if the thing works by using a jumper wire from the power wire to the remote on. I don't suggest leaving it like that though cause it will drain your battery over time. You need to hook the remote on to a power source that is only on when the radio is on. Like a power antenna wire.

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Did you have it hooked up by a professional or did you (or someone you know) do it. If a shop/pro didnt do it make 100% sure everything is hooked up right. Increase the size of your power wire from your battery to the amp. Check your gain settings on the amp. If the vehicle you have this in has a trunk (not a hatch back), position your speakers against the back seat facing you as your putting them in the trunk. If none of this works, buy bigger speakers and more power!

Jun 15, 2009 | Car Speakers & Subwoofers

1 Answer

What wire do i hook the remote wire to coming from the amp?


Hello cjfatback,

You want the blue/white wire.

Here's what the manual shows:

Red - Power (to ACC in vehicle)
Black - Ground
Yellow - 12V positive (battery lead)
Blue/White - External Amplifier Control Lead
White - Left Front Spkr +
White/Black - Left Front Spkr -
Gray - Right Front Spkr +
Gray/Black - Right Front Spkr -
Green - Left Rear Spkr +
Green/Black - Left Rear Spkr -
Violet - Right Rear Spkr +
Violet/Black - Right Rear Spkr -
The red and white RCA pigtail leads is for AUX input
Left set of Preamp Outputs - Rear Channels
Right set of Preamp Outputs - Front Channels
Only Models C3433U, C3304U, and C3333U have a 2nd set of RCA pigtail leads for subwoofer output.

Hope this helps.

Apr 14, 2009 | Car Speakers & Subwoofers

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I am installin a Clarion DB185MP auto source unit. It's on but no sound, when I turn volume control it says "amp ground" on screen- a code not in manual. I have reset unit but get "amp ground code". ...


Hi

It sounds like its wired inproperly, get a amp and note that everything is set up and wired properly, I assume the speakers are working fine could you test them with another unit?

Feb 24, 2009 | Car Speakers & Subwoofers

1 Answer

Hello, I have a Kenwood KDC-MP225 powering a KAC-8101D that was pushing 1 Bazooka EL1200, the last amp blew the other 1... I was driving along 1 day and cranked it up before the cd started playing, I...


First off try a different source that you know works that you can control the volume of. (ipod) This will tell you if the amp works. If it still doesn't work try a different speaker that you know works, any speaker will do, just keep the volume down. Second see if running a new set of RCA's helps maybe something got pinched if it still is not working then your head unit line out is bad, try a different output and see.

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My suggestion is to go to your local audio shop and pickup a dash kit and wiring harness to hook up the din head unit. I actually wouldn't recommend putting in aftermarket speakers unless you don't plan on reselling or they are blown. You could hook a sub up by running your power wire to your amp like usual, hook your amp turn-on wire to an accessory wire and buy a "line level converter" you will tap into factory speaker wires with this and it will convert it to RCAs. You will only need to do this if you are using the factory head unit. Also, unless the aftermarket unit has features that you want that the factory one doesn't, I wouldn't bother with that either. Good luck. Let me know if you need any more help.
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I have an Alpine Model CDM-9821. I just bought another vehicle and want to install my alpine in it. I have all of the wiring hooked up properly but am unable to get my unit to power up. I have 12.5...


did you use an installation harness? you should have the following when you test-
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yellow wire-12v at all times
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HELP


hi there, do you have an amplifier to hook it upto mate? if you do its best to go into your local halfords etc and ask for a wiring kit for you car audio, or search on ebay, theyre normally around 20pounds. then it will come with instructions on where certain wires go etc, the 8 outputs are probably so you can connect two subs together. they should have a pos and neg on them somewhere. if you dont have an amp you probably need to buy one. if you have any further queries just ask mate

Nov 13, 2007 | AudioBahn AW1206T Car Subwoofer

1 Answer

Jl subs not powering


Connect each speaker coil one at a time to a square 9 volt battery and watch for the cone to move.

Also try hooking another speaker to your amp just to make sure it isn't in the amp.

You can use a 9 volt battery to test wire polarity also. Hook up the + wire of the speaker to the + terminal of the battery and the - speaker to the - battery terminal. If the speaker moved UP or OUT then the wiring is correct. If it moved IN or DOWN then the + and - wires are backwards on the speaker.

Also if you have two or more speakers hooked together test all the same way while they are hooked to each other. ALL of the speakers need to move in the same direction at the same time.

Clipping causes more speaker damage than anything. "Dirty Power" can happen in good quality amps too. The gain control is to match the voltage between the headunit and the amp. It is NOT a volume or boost knob. If you overdrive the first stage of the amp and then clip it damage will occur to the amp and speakers at some point.

Hope this helps.

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