Question about Lightning Audio LA1.300.2 Car Audio Amplifier

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POWER JUST BOUGHT AMP AND HOOKED IT UP AND IT WONT POWER UP WHAT DO YOU THINK THE PROBLEM IS

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Have you connected the remote wire from the stereo to the amp? assuming it has one.
If the stereo has not got a remote wire you can link it from the positive 12 volt on the amp to the remote connection on the amp, usually it's in between the ground connector and the 12volt.

Posted on Mar 23, 2008

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My son bought an amp and subs for his truck. they are second hand without install instructions. I've never hooked up an amp before. This amp xterminator xt1000d has a center port between the positive and...


The 'remote' terminal is powered by a lead that is normally connected off the head unit...if it has this feature...the head unit, if a good quality one' will have a blue wire that will turn on the amp, by providing a signal to it.........if not, you can bypasss this

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Do you have the remote wire connected to the head unit?

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I think the blue wire is a standby "on" to be hooked to separate or system switch. Without knowing how you have system wired, I can' offer much. A bit of caution; having a thousand watt amp hooked to 6x9 dooms their fate

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Your "bumpin" may have killed the amps "bumpin" Was the amp secure when you were sliding? So wires are ok, and lights and finas running. You have power but no output..Check the settings on the amp, also the fuse. Something might be earthing itself to the amp as well.

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With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage drops below ~11 volts, you need to check the wiring feeding whichever line is too low.

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The only effective way to troubleshoot this is with a digital multimeter. Test for voltage on the power terminal and the remote terminal (using the ground terminal for your black probe). If you have voltage on both terminals, check the amp's built-in fuses; if they're good, then you must have a defective amp. If you have voltage on the remote terminal, but none on the power terminal, check your fuse and fuse holder at the front. It's not unusual to have a blown or defective fuse that looks okay.

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