Question about Lightning Audio LA1.300.2 Car Audio Amplifier

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I have my wire that is suppose to hook up to my head unit and to my remote on my amp but the amp stays on when i turn off amp how do i hook up wires right?

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Should have a remote wire off of your radio....
Usually blue in color. Make sure it it says remote. If that don't turn your amp off, try to power antenna wire. One should work

Posted on Jan 03, 2011

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Posted on Jan 02, 2017

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I can not get a 12vdc signal from the sub remote out wire blue with white stripe on a NESA 749nb, at one point I had power on the wire but when I got itr hooked up the power went away, I need a signal


if the head unit has any fuses go ahead and check those. Recheck all the wiring to make sure nothing was connected where it should't. If you still can't get any power out of the remote wire, there might be an internal issue with the head unit and if it's under warranty, take it back. The only other option is to use the red accessory power wire on the head unit and tap into that but the only thing is that when you turn off your radio, the amp will still stay on and will only turn off when your vehicle is turned off. I would prefer to have the head unit control the amp, so if it's warrantied take it back, but it's completely up to you.

Feb 26, 2012 | Car Audio & Video

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No sound from my car amp, wired up right won't come on


installed my Audiobahn A2300HCX amp to my kenwood head unit. Just got this amp off ebay, ran all my wires for my amp. Finally it was time to hear it BUMP, but nothing... As i calmed down form woundering bout if i got ripped off on ebay, i recheck all my wires, reground the wire to an other spot, check my fuse on amp, and inline fuse from power wire off battery, AGAIN NOTHING.......... FINALLY had an idea bout jumping a wire from the power terminal (off the amp) to the remote terminal (off the amp), AND BOOOOM my amp kicked on... TURNS out it was my remote wire off the head unit off the harness was bad never hooked up an amp to it before. BUT dont leave it that way the amp will stay on all the time i only did it to see if it works. THANK GOD IT WASNT THE AMP

on May 09, 2010 | Car Audio & Video

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I have a kenwood kac1502s amp in my truck and it works good until i put the truck in drive and start to move and the amp red light flashes 2 times and the sub speaker shuts off put the amp stays on until i...


compare the voltage to the remote turn on wire to the amp when parked and when in drive. the wire may be hooked to the wrong wire at the head unit. the wire should be hooted to a specific amp on wire, power antenna wire, or if its a stock head unit it should be hooked to a 12 volt on source.

Aug 17, 2011 | Car Audio & Video

2 Answers

My amp stay on when the car cuts off. the only way it turns off it i take the fuse out the power line or if i disconnect the remote wire. I have check the remote wire behind the head unit it everything is...


connect the red wire of the amp to a car battery (+). the black to a car metal and the remote cable to the blue wire in radio. when you turn on the radio the amp turn of--when you turn off the radio the amp turn off.

Apr 26, 2010 | Lanzar Vibe 1200D Car Audio Amplifier

1 Answer

I have a linear amp 1600 I ahve power to it but it wont work and what is the remote wire supose to be connected to?


The remote wire is supposed to be connected to the remote output on the back of the head unit that is feeding the amp.
Without the remote wire hook up the amp will not turn on.
Reason for this is, the Head Unit tells the AMP to turn on, without the remote connected the AMP is going to do nothing, find the remote switch wire on the back of your Head Unit and run the wire to the remote input on the AMP.

Sep 16, 2009 | Ultra Linear UL-1600M Car Audio Amplifier

3 Answers

My amp is not working! i have a live from battery and a good earth,but still nothing,does it need to be earthed to back of head unit?


Do you have the remote turn-on lead hooked up?

There should be 3 wires on the power side of the amplifier.

Ground - to the car chassis
Power - to the car battery
Remote - to the remote turn on lead from the head unit. (this emits a 12V signal to a relay inside the amplifier for it to turn on when the radio does)

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Sep 05, 2009 | Car Audio & Video

1 Answer

Amp not staying on


Hello lyttle_matt1,

Connect a DC voltmeter between the "remote" (+) terminal and the "ground" (-) terminal on the amp. When you turn on your Pioneer, you should read 12-14V. If you get voltage for a second and then it goes away, either the incorrect wire from the head unit is connected, or the head unit remote turn-on is defective. If the voltage remains on the terminal and the amp immediately turns back off, it's possible that the remote turn-on is not supplying adequate current for the amp. To determine if that is the case, run a separate wire from a positive (+) accessory terminal (cigarette lighter or fuse box) to the amp remote terminal. If the amp then turns on and stays on, you'll need to wire a relay into the turn-on wire. The wiring for such a relay is shown here. Most any 12V SPST or SPDT relay from an auto parts store or Radio Shack will work OK.

May 11, 2009 | Sony Xplod XM-554ZR Car Audio Amplifier

1 Answer

Infinity Reference Amps stay illuminated


Hello shaymus_hoos,

No, it isn't supposed to work that way. Although amps are usually wired with the positive directly to the vehicle battery, they aren't supposed to turn on unless power is supplied on the remote wire.

The problem is most likely in either the head unit or one of the amps. And if not corrected, the amps will sooner or later, completely drain the battery.

First see if it works properly with just one amp connected. Remove the remote turn-on from 1 amp at a time and test with the vehicle and head unit off and then on. If the problem is still there with just one amp connected, either the head unit is at fault or the remote wire is picking up 12V somewhere along it's path to the amps. Make sure you have it connected to the right wire on the Kenwood. Every Kenwood I've seen uses blue/white for the remote wire.

If both amps work OK separately, one of the amps is causing the problem. You may be able to correct it by using a relay to electrically separate the turn-on signal for each amp. You'll need a "double-throw, single-throw" type of relay. Here's a link to the Basic Car Audio Electronics web site that details the connections http://www.bcae1.com/. Connect the remote wire coming from the head unit to one side of the relay coil and ground the other side. Bring 12V positive from an "accessory" lead that is hot only when the ignition is in either the "ON" or "ACCESSORY" positions to one side of both sets of relay contacts (it doesn't matter which side). Connect the other sides of the relay contacts, one to each amp turn-on connector.

Hope this helps.

Apr 22, 2009 | Infinity Reference 7541a Car Audio...

1 Answer

Turns on 1 out of 4 times?


The problem might not be with the amp. You will need to check the "remote" output from your head unit at the amp end using a voltmeter. It should be ~12.5 volts dc when the head unit is turned on. If there is no voltage when the head unit is turned on, then the problem is not the amp. The head unit may be bad or there may be an intermitant short somewhere in the remote wire.

You can test the amp by removing the remote wire and connecting the remote input directly to the +12v terminal. Use a short scrap of wire. This will (should) manually turn on the amp. Don't forget to return the remote wire to the remote input or the amp will never turn off.

A friend of mine had his remote wire shorted to ground once after he replaced his head unit. Turns out when he slid the new one into the dash opening he pinched the remote wire against the chassis. Frustrating but an easy fix.

Sep 03, 2008 | Kicker 06ZX750.1 Car Audio Amplifier

2 Answers

Rampage amplifier


The amp is supposed to turn on and off with the head unit. The remote wire on the amp should be connected t othe amp control/power antenna wire of the head unit.

The pop should go away when the remote is being switched on with the head unit.

If the amp is staying on with the key removed, it will drain your battery. You need to re-wire it so you don't get stranded.

Nov 29, 2007 | Audiovox Rampage 1200 Watt Amplifier Car...

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