Question about Car Speakers & Subwoofers

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Sometimes car stereo stops working and then sometimes it starts working again. when you shut the power off it sounds like a motor is still trying to run.

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The motor your hearing could be the power antenna .'s motor.what kind of radio?/ tape/cd? when does it work?radio ,cd,?yell me more

Posted on Jul 14, 2008

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My 98 villager sat for 3 months and when we drove it again the power locks, power windows, dash lights, and blower motor stopped working. I have changed the fuses and nothing has helped. What could it...


Depending on where in the world you are. Especially if it sat during the cold months, this is often common with power features.

Could be that your battery is just weak.
This is in reference to the second portion of your post.

However, part of your post mentions problem with Car Speakers and Subwoofers

You did not mention any fuse or what gauge power wire your running for the stereo Ampilfier
(which your powering those subs with)

Without those, you can quickly drain a battery, and very easily cause some serious damage to your cars electrical system.

So, without assuming you have a secondary battery for the stereo, I would reccomend that you obtain a power wire (I only use 0 Guage, but reccomend a min of 4, do not cut your car short here trying to save money by installing 8 guage). Also install an inline fuse (I use a lot, 150 AMP, 90 would be Minimum) within 18 inches of the battery before sending the wire through the car to a distribution block in line and ahead of the Amplifier.

Also, depending on the size of your Amp and Sub's you may need to upgrade your Alternator to a 100 AMPs.

Hope this helps

Good Luck and Happy Motoring

Respectfully
30 year Veteran of Car Audio

Jun 09, 2011 | Car Speakers & Subwoofers

1 Answer

I have a sony xplod 1000 watt amp, Worked perfect for a month, All of a sudden my subs stop working, But the power light on the amp is always still on. every great while my subs will work again, sometimes...


make sure ur running the right ohm load and if its two channel try bridging it. if already bridged unbridge another thing to check is rca wires i had the same prob with a 1000w explode 2 channel

Oct 12, 2010 | Car Speakers & Subwoofers

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Kenwoodxw1000f shut off after 10 sec


the problem sounds like your new sub is drawing to much power and your amp can not handle it. bridging the amp is a good way to get the full power out of your amp. But it isnt always suggested, my solution is to get a bigger amp. I install stereo systems for a living, and i tell my customers that it is smart to get an amp about 100 more watts then the rms rating of your subwoofer.

Feb 13, 2010 | Kenwood eXcelon KFC-XW1000F Car Subwoofer

2 Answers

Car speakers


unfortunately that's going to be a labor intensive project. You will have to follow the wires to where they go and make sure that they are all tight.

Being that the sub stays on you know you are looking for a loose wire off the other amplifier or the head unit depending on how you are powering those speakers.

if you have two amps one for the subs and one for the mains its probably not the power or ground going to them since both are not shutting down but check where the power splits to each amp.


start at the amp that isn't working unhook the cables. Test that those cables have power and proper ground then make sure they go back on cleanly (no loose strands) and tightly. proceed to follow the power wires to where they are connected.and double check everything.

If you have access to a continuity and voltage tester that will make it a bit simpler.

Depending on how clean an install it is (no panels, speaker boxes amps or seats to remove) it shouldn't take more than an hour or so. I always recommend that connections to power blocks remain easily accessible as I have had to remove amps, subs and junk like neon to get at wiring and its always a nightmare.

hope that helps

Jan 24, 2010 | JBL Car Speakers & Subwoofers

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My stereo works for a few min. Then fades out and then get loude


your batterie cant handle the power drain... try getting a coil... (its a tubular device made to store extra energy and then release it all at once so it does not strain the battery) try wallmart if you want to try an inexpensive one first.

Jun 12, 2009 | Car Speakers & Subwoofers

1 Answer

Car stero doesn't come on


You have it wired wrong. With the fuse out it is like disconnecting the wire, thus removing the fault. Be glad it is shutting down. It is protecting itself from damage and electrical overstress. Trace the wire, my guess is it is a power wire that is grounding. Check all of your wiring again.

Feb 24, 2009 | Car Speakers & Subwoofers

2 Answers

Subwoofer problem


take a look at the amp is there a light on with the car running and stereo on? if no check the big black ground wire that connects to bare metal somewhere near the amp , also check the big red wire for 12 volts and the small wire for 12 volts let me know -jeff

Sep 12, 2008 | Lightning Audio B1.10.4 Car Subwoofer

1 Answer

Re:


The ground wire for the stereo may be loose then. I've had that same problem in the past... 2-3 times. It'll connect enough to run the stereo, but the power will be too weak to power the sound to the speakers. There might also be an in-line fuse behind the stereo deck or one on the back of it. Let me know if you find anything :)

Jul 09, 2008 | Car Speakers & Subwoofers

1 Answer

Not working


Sounds like the voice coils are cooked...try testing each speaker with no wires to them...use a multi-meter on set on ohms/resistance, low scale...should read either 2,4 or 8 ohms, no reading or very high reading means sub is shot.

Dec 21, 2006 | Visonik V128D4 Car Subwoofer

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