Question about Jl Audio E2150 Car Audio Amplifier

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Yellow wire The yellow wire used for the car head unit does not work in my car any more. The dome lights dont work nor does the clock, it's not a fuse. What is wrong and is there any way that i can fix this problem.

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You need to go to the dealer to get a wiring schematic or find a repair manual that shows you all of the wiring in the vehicle. Then you can trace down the open connection.

Posted on Feb 20, 2008

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I own a 1999 pontiac grand am gt. I was hooking an amp up to a set of subs and got everything to work. When I finished and put my dash back together it all stopped working. My head unite (alpine cdm-7871)...

Get a multimeter cheap on ebay ,and test the red (positive wire from the radio with the key tuned to on position. should read 12v.. Key off should have 0 volts. Then check the yellow wire, should read 12 volts continuous with the car on or off. If you don't get a reading from yellow wire, you can run it from the battery into the car. Red, you would have to run from the fuse box and should only have electricity with acc on (key in ignition) If both red and yellow wires read 12v. you could have grounding issues. Use the black wire from the head unit and wire it to metal. These are the only 3 wires you have to worry about.

Sep 05, 2013 | Car Amplifiers

1 Answer

I have a jl 500/1 . The distribution block is lit showing 12v plus. no green power light on the amp? I disconnected pwr and ground and reconnected. the green light came on for 10 seconds and shut off. all...

The amplifier will not power on unless/until it recieves the turn-on signal from the head unit.

It seems the issue is with the head unit in this case.

Check the fuses and verify constant and switched power with a multimeter.

Once the Head unit powers on - the amplifier should also.

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Jun 18, 2010 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

I need to connect my remote wire to a accessory wire but i dont know which one is the accessory wire. I dont have that light tester thing so I cant try it out. I heard you can just tap it with some fuse...

The accessory wire that you are looking for is the one that tells the head unit to turn on when you turn the key in car. If you have an aftermarket deck then the deck has it's own for the amp usually it is blue and in your case may not be connected to anything. If you don't have an aftermarket deck you will need to find a wiring diagram for the car radio harrness and it will be labeled. You dont want to use any random wire because if that wire always has power your amp will stay on and kill battery. You can wire a switch if you choose this method to prevent that from happening. You may also try running a wire from main power of amp to a small fuse (remote uses less than 2A) then to a switch and then back to remote screw of amp.
This website has wiring diagrams but colors dont always match. Good Luck

Mar 26, 2010 | Kicker ZX10001 Car Audio Amplifier

2 Answers

I have checked all connections to my amp battery,head unit,remote or trigger wire,fuses,power cable,rca leads,ground wire,amp has a green led light on it indicating if it works ok,red if it`s not,light...

Your amp could be in protection mode! Sometimes turning up to high or wires touching will put in protection mode! It will have to be unplugged for a day or two to drain all power out of the memory. Leave accessorie/ignition wire hooked up, just not power and ground wiring. It should reset itself.

Jan 22, 2010 | Lightning Audio B4.250.2 Car Amp

1 Answer

Yellow wire melting and blows fuse

What octage is your 'yellow' wire? Try a thicker insulated wire. I'm guessing you have a Xplode then...your wires could be crossed but dont use it if it continues to blow fuses until the problem is fixed.

Dec 24, 2009 | Car Amplifiers

1 Answer

Subs and amp dont work

His amp probably blew your fuse. Check that you have 12V at the power connections. If you don't, then find the fuse in your positive wiring to the amp. If you do have 12V to the amp, check your remote power up also has 12V between that and the negative line when your head unit is on. If it doesn't, then it's probably an internal fuse in your remote switch on line inside your head unit caused by a fault in your friends amp. This is normally accessible at the back of the head unit.

Oct 06, 2009 | Legacy Audio LA370 Car Audio Amplifier

1 Answer

My radio stopped working after hooking up the amplifier

Did you double check your work? Did you check the resistance of the fuses? Just because the fuse appears to be good, it can still be blown. Do you have access to a multimeter? You need to check and see if the head unit is receiving 12 Volts continuous which you put the multimeter probes to the black wire and the yellow wire. Then connect the probes to the black wire and the red wire. This wire should only have power when the car is cut on. If you are not getting 12 volts to these points, the problem is your wiring system somewhere...probably a fuse. If you are getting 12 volts, your head unit is garbage. I want to say it is the fuse. 

Oct 01, 2009 | Lanzar HTG244 Car Audio Amplifier

2 Answers


This is simple the memory wire (yellow) is connect incorrectly. It needs 12 volt constant or continously. meaning 12 volts even when the car is off.

Dec 06, 2008 | Sony Xplod XM-554ZR Car Audio Amplifier

2 Answers

95 Jeep Wrangler Windscreen Wipers Dont work!


Initially what can be suggested is to try and redo the fuse insertion again but wiggle them a bit when installed. It might also be of help if you spray the insertion points or fuse clips with an electronic contact cleaner prior to reinserting the fuses. In some instances, the fuse clip/holder need to be manually scraped for corrosion or grime/dirt. It is also possible that a wire might have been dislodged that leads to the wiper motor.

Good luck and kind regards.

Feb 07, 2008 | Car Amplifiers

2 Answers

Whats wrong??

you should check the remote wire bc you will get power to your amps if its not hooked up but you wont get any music!

Aug 22, 2007 | Bazooka ELA300.1 Car Audio Amplifier

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