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Thread: Purple /black and white/ black wires behind head unit Reply to Thread
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  Topic Review (Newest First)
07-07-2020 05:25 PM
kg6mov You can run an aftermarket head with the factory amp, just make sure the remote power wire is correct, harnesses will label it power antenna.

Otherwise you just run the power outputs of the new radio to the factory amp.
07-07-2020 01:09 PM
98Jeep4.0 I had the infinity sound system
07-07-2020 12:00 PM
98Jeep4.0 what if I wanted to run the factory amp to a aftermarket radio?
05-30-2020 05:48 PM
phatbuddha Personally I would bypass the factory amp. Instead of hacking the wires on the amp look into buying a plug-n-play bypass. One recommendation is the "Amplifier Bypass - Scorpion CHR-5622". I found this information from a Youtuber Project Dan H. I went on Ebay and did a search and got a bypass and radio wire harness set for less than $9 bucks. I was running a Sony head unit with JVC speakers but once I bypassed the factory amp it sounded much more powerful and fuller.

Youtube link:
05-29-2020 08:29 PM
kg6mov
Quote:
Originally Posted by 98Jeep4.0 View Post
how do you connect them to aftermarket radio?
You don't.
05-29-2020 08:15 PM
98Jeep4.0 how do you connect them to aftermarket radio?
07-30-2015 05:37 PM
jasonak I have done the amp bypass,,,installed new radio have power but no sound,,,the ground wire is installed to back of radio,,,the on that had the little clip on it. ANyideas ?
06-10-2013 12:49 AM
Scopez
Quote:
Originally Posted by dusterdude View Post

Scopez,how and why
Quote:
Originally Posted by Mad-Duke View Post
Using the image below, I connected the Green/Red Striped to the Radio Blue/White Amp power and I can now hear sound.
However, After googling it seems like it would be best to bypass the Amp as it could cause impedance issues. Anyone know if there is a connector I could buy so I don't have to butcher my amp-side wires and splice them together?

Image Originally Posted: https://www.jeepforum.com/forum/f20/s...j-here-673244/
Mad duke practically explained it for me.
06-09-2013 08:34 PM
Mad-Duke Using the image below, I connected the Green/Red Striped to the Radio Blue/White Amp power and I can now hear sound.
However, After googling it seems like it would be best to bypass the Amp as it could cause impedance issues. Anyone know if there is a connector I could buy so I don't have to butcher my amp-side wires and splice them together?


Image Originally Posted: https://www.jeepforum.com/forum/f20/s...j-here-673244/
06-09-2013 07:20 PM
Mad-Duke My new aftermarket radio spex should handle the ohms and wattage better then the amp, now I just need to figure out the easiest way to bypass the amp

lol googling like crazy now !
06-09-2013 06:04 PM
dusterdude
Quote:
Originally Posted by Scopez
Don't forget to bypass the factory amp if you have the infinity gold package!
Scopez,how and why
06-09-2013 04:56 PM
Mad-Duke
Quote:
Originally Posted by kensnelling View Post
If I'm not mistaken those are the wires for the steering wheel radio controls. I have the OE radios in mine, but I've read on here that if you install an afternarket radio in a jeep with steering wheel controls and don't use an adapter you'll have no audio.

Ken
Ya I currently have no audio.. I have an adapter inbound so hopefully this fixes my no audio issues when it arrives and I set it up.

Quote:
Originally Posted by Scopez View Post
Don't forget to bypass the factory amp if you have the infinity gold package!
As a matter of fact I do. Do I have to bypass it? and how do I go about doing that?
06-09-2013 07:46 AM
Scopez Don't forget to bypass the factory amp if you have the infinity gold package!
06-09-2013 07:26 AM
kensnelling
Quote:
Originally Posted by Mad-Duke View Post
So Does anyone know what the Purple/Black and White/Black wires do exactly?
If I'm not mistaken those are the wires for the steering wheel radio controls. I have the OE radios in mine, but I've read on here that if you install an afternarket radio in a jeep with steering wheel controls and don't use an adapter you'll have no audio.


Ken
06-08-2013 01:03 PM
Mad-Duke So Does anyone know what the Purple/Black and White/Black wires do exactly?
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