Question about Jl Audio 1000/1 Car Audio Amplifier

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Jl 1000/1 popping fuse

I have a jl 1000/1 and a w7 12 in the h.o. box for the w7. i have stinger rcas, stinger power and ground wire 4awg to the amp. 100a fuse under hood for the power wire and a 1.0 farad stinger cap. it hits LOUD when playing but if i turn up the volume past 28 the fuse under the hood blows out. so should i upgrade the power wire to 1/0awg?? yellow top battery, stronger alternator or what, jl says to use the 100amp fuse but i keep blowing them

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  • josheazy Mar 25, 2009

    i got the same problem i have 3 12's two kicker comp speakers,.. and a diamond d6 speaker... i turn my car up an it hits real hard but when i go past 32 to 35 my fuse under my car blows i've called a couple of places audio junction who deals with jl products, and they said i just need to get a power cap,... but hb stereo says it could be a short or somethin wrong with the amp.? lost this **** is confuseing any help out there

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Hi there r u running any other amps in the vehicle as well as the 1000/1?

Posted on Jan 30, 2009

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Well you need to check to see if nt no shottage with the amp and also check if the fuse is not to low amp 20,,,, 25 if not put the amp in a separet 12 volt battery

Posted on Dec 11, 2008

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1 Answer

I have a jl audio 1000/1v2 my probem is the low volt ligth blinking and dosen t work wath shut I do


The low voltage light would indicate that there is not enough power reaching the amplifier through the power wire. Are you using 4awg or bigger wire? Is the amp grounded well? Does this happen all the time or just at high volume?

Try checking your power and ground connections and ensure that you are using the correct size of wire.

Mar 11, 2011 | Jl Audio 1000/1V2 Car Amp

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I have a JL 1000/1 and the low ohm light switch on and off.. The terminal connector is slightly loose.. with a jiggle of the ground wire the amp switch back to GREEN and plays normal..


Check the ground wire to the car make sure that you have bare metal and that the contact between the car and the wire is good. Ensure that the ground wire is in all the way. What size ground wire are you using. I would say don't use smaller than 4ga for a 1000 watt amps.
Also has the amp been screwed or velcroed to the box? Sometimes amp connections become loose from the vibrations of the bass. So it's possible it might be an internal issue or that the wire isn't in all the way.
I would suggest also taking the amp completely out of the car and inspecting the terminals to make sure they aren't loose or corroded.

Mar 06, 2011 | Jl Audio 1000/1 Car Audio Amplifier

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I hooked up the 500/1 amp and when the bass hits it turns off where can i get it fixed or how do i get it to stop doing that i live in fontana ca maybe you have a shop near by


Check your ground connections. Alot of times when the amplifier is pushed to its higher levels of power if it doesnt have a solid ground connection it will kind of choke itself. Also with the amplifier you should make sure there are no knicks or anything in the power cable. Make sure you are running a 4awg power and ground cable with solid and clean connectors on the ends. Also that amplifier needs a good anl fuse holder with at least 100 amp fuse.

Aug 03, 2010 | Jl Audio 500/1 Car Audio Amplifier

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I have a jl 10001, when i turn it up its cutting off saying low voltage. I'm running 4 guage wire do i need to go bigger?


Try using a capacitor and make sure you have a fused (+) directly to the battery post that is routed as short as possible. Ground wire should be short enough from a clear and clean body part. Try lowering down your output gain so it won't clip the system.

Jun 11, 2010 | Jl Audio 1000/1 Car Audio Amplifier

1 Answer

Jl audio 1000/1 low voltage -keeps shutting off at high volume


You should definitely upgrade the power wire to the sub amp to 4 gauge -absolutely your choking your amp its starving for current-poor thing is starving !!!!!!!

Apr 16, 2009 | Jl Audio 1000/1 Car Audio Amplifier

2 Answers

I enhance volume car light shimmer and amp off.


Need more info. Are you sying that your lights pulse to the bass? Capacitors help. I would recomend at LEAST a 2 farad. Make sure you are using GOOD QUALITY 4 gauge power wire. So many "kits" say 4 gauge, but strip it back and you have a glorified 8 guage wire. I've seenit. Also, MAKE SURE that it is ran to the bayttery and use the SAME gauge for the ground (no more that 4 feet if possible).

In case your next question is "how do I hook up a Cap?", here it goes:

Power AND ground to the cap, then power AND ground from cap to the amp input. So very easy!!

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

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2 Answers

Jl 1000/1 amp not working


If I'm not mistaken, the blue light is the low voltage indicator. You need to confirm that the voltage ON THE POWER SUPPLY TERMINALS of the amp never drops below 11 volts. If it does, the amp will shut off. It's possible that you have a bad connection or even a defective fuse that's causing the problem.

JL recommends a 100 amp fuse for the amp. If you use a fuse that's too large and something goes wrong, the amp may be very severely damaged (possibly beyond repair).

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1 Answer

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you either have a bad ground or your power line is too small, the farther you go from the battery the larger wire you need.

Dec 18, 2007 | Jl Audio 1000/1 Car Audio Amplifier

1 Answer

Wrong connection


You should have blown a fuse. Check the main power fuse feeding the system (usually at the battery). If it appears to be good, you'll need a multimeter to check the voltage at the B+ and remote terminals of the amplifiers. Place the black meter lead on the ground terminal of the amp when testing. .

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the amp draw rating on the amp is 100 you need to put a larger fuse in, such as a 150 amp, it would be a good idea to go to 0 ga but not needed. you might also want to upgrade your altenator.

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