amp problems!!!!!!!!!!!

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Nov 3, 2004

JoshLuke

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amp problems!!!!!!!!!!!

I have a JBL 1200 watt mono amp that I have not had any problems with for more than a year. I went to start my car and the battery was dead. I went to the trunk to get jumper cables and I saw that the power light on the amp was on. Now all of a sudden the amp stays on when I turn off the car! Does anyone know reason for the amp to stay on while the car is off. Also when I start my car I hear some thumping noises coming from my subs. Thanks Alot!!!!!!!!!!!!!

Nov 3, 2004

J187

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2 questions

1. are you sure it was the power led and not a protection led?
2. Do you have a capacitor?

Nov 3, 2004

MegaHurtz

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just check that everything is hooked up properly

are you sure it wasnt always on like that before? maybe the battery never died

Nov 3, 2004

PopcornPlaya

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Make sure your remote wire is hooked up to a switched source.

Nov 3, 2004

MegaHurtz

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ya maybe the remote wire somehow came a bit loose and it could have bridged over to the power terminal?

even if it was the protect light it shouldnt be on if the amp is capable of turning on

Nov 4, 2004

coop

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definitely sounds like the remote wiring is wrong - it needs to be connected to a switched source not constant - or you'll definitely get battery drain. Switched means when you turn the key off, it turns off.

Nov 4, 2004

J187

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Quote:

Originally Posted by MegaHurtz

ya maybe the remote wire somehow came a bit loose and it could have bridged over to the power terminal?

even if it was the protect light it shouldnt be on if the amp is capable of turning on

Unless it's hooked up to cap, hence my second question.
Recently, I saw that someone had their remote hooked up to a intelli-cap capacitor. It stayed on after the car was off. Funky wiring.

Nov 4, 2004

coop

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why would a cap be installed for a remote connection?

Nov 4, 2004

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The cap probably had some sort of LED display that needed to be remote turned on/ off, and they could have jumped it from there.

Nov 4, 2004

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JoshLuke

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i checkeded all the wiring by the amp and it is fine. It is the power light that is on and i don't have a capacitor. I also have a breaker switch instead of a fuse on the power cable.