2006 tundra 4 dr JBL / Alpine 9857

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=79368
Printed Date: May 20, 2024 at 10:14 AM

Topic: 2006 tundra 4 dr JBL / Alpine 9857

Posted By: flune
Subject: 2006 tundra 4 dr JBL / Alpine 9857
Date Posted: June 20, 2006 at 12:40 PM

I bought the head unit on features and sound - now the dudes at Best Buy are telling me that I can't use the factory JBL amps... I think they are on crack - Any thoughts or experience here?

thanks!!!

Replies:

Posted By: dwarren
Date Posted: June 20, 2006 at 3:02 PM

We had one the other day, however we were not able to use the factory amp (the amp on the passenger side under the back seat in the storage box). We cut the plugs and tried to use a hi-lo converter but we were unsucessful. We simply bypassed it and used an aftermarket amp, but caught all the speaker leads there.

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Posted By: flune
Date Posted: June 23, 2006 at 12:52 PM

can you tell me why you bypassed the amp?

Help me understand a bit here - is the arrangement in the Toyota strange or something? Is it one power amp for the whole car, or just for the back seats? It seems strange to just cut that out of the circuit and use the head-unit's power section (or buy another power amp) unless there is something really odd about it. Help me out here...

thanks!

Harry

Posted By: jstruckman
Date Posted: June 23, 2006 at 1:06 PM

The JBL system has a digital amp turn on. The factory head unit turns the amp on and off digitally. You have to relocate the factory head unit to keep the factory amp, or bypass the amp.

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Posted By: yogilopez
Date Posted: June 24, 2006 at 1:02 PM

I wonder if there's a way to simulate the digital signal???

I just got an 2006 tundra double cab with the JBL.

Hmmmmm.

Yogi

Posted By: flune
Date Posted: June 27, 2006 at 11:37 AM

Yeah - good idea, simulating the power up...

So let's assume that if I change the head unit - does the amp now need to be replaced??? Will this alpine unit have enough umph to make the factory speakers work well?

Posted By: JIMMY 2 TIMES
Date Posted: June 27, 2006 at 11:56 AM

why don't you just disonnect botht he input and output of the facorty amp, and run jumper wires from one plug to another?