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no green light on the amp only red

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=66737
Printed Date: July 05, 2025 at 5:55 AM


Topic: no green light on the amp only red

Posted By: kundi13
Subject: no green light on the amp only red
Date Posted: November 21, 2005 at 11:26 AM

hi, ive got 2x500watt spl subs and 500watt toxic 2channel amp bridgeable.  the sub and the amp works great when i play it indoors and the amp produces a green light (connected to a transformer). but when i connect it in the car the amp shows a protection bright red light and no sub works but everything else works fine so why doesnt it work in tha car???? thanks.



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kundi



Replies:

Posted By: KarTuneMan
Date Posted: November 21, 2005 at 11:56 AM
Check the ground connection....first!   Is the turn on signal from your deck working? turn the deck on and check at the amp for voltage at the power connecter and the turn on connector.  Also, if you some how toasted one of your subs, that can open the flood gates on the amp and it will go into protect mode. Check the voice coils on the subs with a multi meter. Make sure you wired them correctly also!

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Posted By: DYohn
Date Posted: November 21, 2005 at 12:03 PM

Please don't post multiple threads with the same question, kundi13.

As stated in several responses, your problem is either bad wiring (power and/or ground,) too low impedence load, bad speaker wiring, a blown speaker, or too low voltage from your vehicle.



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Posted By: kundi13
Date Posted: November 21, 2005 at 1:00 PM
hi thanks for your replys. by the way when i play the sub indoors it dont connect to any decks because i dont have any lolz. i just connect using a transformer with plus and negative on it and connect it to a mp3 player and listen. but thanks. i try rewire it in the car again i mean like its total 1500watts im using which really aint that big is it so i dont think i be needing 2 batteries as it is a clio with a 12v battery. hopefully the red protection light can piss off and let the green light appear.

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kundi





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