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I see two different wiring diagrams. One for trucks with separate amp, and one for trucks with a built-in amp.

I have the JBL, and while its OK, it is not awesome. I think the cost of a OEM JBL receiver would be better spent getting a much better 3rd party system.

I'm not an audiophile, but hopefully someone will tell you what to look for.
 

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Nope it's not there, the wiring at the head unit is completely different in a jbl truck. And like others have said its not worth the effort, jbl isn't bad for factory but for all the time and $ it would take to swap it in you could get aftermarket equipment and have far better sound, if your concerned with the factory look you can run amps etc off the factory head unit without losing sound quality if you use the correct products.


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Wondering if there is such a "conversion" harness. Haven't dove into the dilemma with both feet yet. I'll think it over, and see if its worth the effort. Think this is why most people shy away from this type of swap, and just go aftermarket.

If I do that, I'd look further to find an aftermarket unit with ability to add and amp/sub setup for a more full sound. Def have to dog through the many threads here, and sift through all the posts for beneficial info.


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Wondering if there is such a "conversion" harness. Haven't dove into the dilemma with both feet yet. I'll think it over, and see if its worth the effort. Think this is why most people shy away from this type of swap, and just go aftermarket.

If I do that, I'd look further to find a Mac unit with ability to add and amp/sub setup for a more full sound. Def have to dog through the many threads here, and sift through all the posts for beneficial info.


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All you need is the oem (JBL) amplifier that came with that JBL HU.
The JBL amplifier input is the common Toyota trucks 6-pin (rear speakers, illumination wire) and 10-pin connectors (+& constant/switched power, ground, front speakers' power antenna,) and the output is a 20-pin connector to the JBL HU.
 

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All you need is the oem (JBL) amplifier that came with that JBL HU.
The JBL amplifier input is the common Toyota trucks 6-pin (rear speakers, illumination wire) and 10-pin connectors (+& constant/switched power, ground, front speakers' power antenna,) and the output is a 20-pin connector to the JBL HU.
Is not exactly that simple the plugs are the same the wiring is completly different, to me it doesn't seem worn the effort when even cheap aftermarket stuff will sound better

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Is not exactly that simple the plugs are the same the wiring is completly different, to me it doesn't seem worn the effort when even cheap aftermarket stuff will sound better

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That's why I think I'll ebay the JBL unit, and find a descent aftermarket HU that doesn't take away from the factory functionality (steering controls, BT audio, etc).


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Lol, yeah its not the cheapest unit or but I put one in my truck as a demo and will be keeping it I love the system.

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Hey Platinumb,
this is totally off topic, but I tired to PM you and it tells me I can't because your box is full. will you send me a message when you've cleared some space. I need to get a Maestro from you.

Sorry for hijacking guys!!
 
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