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Old 01-07-2014, 09:08 AM   #1
vcreation
Scooby Newbie
 
Member#: 377577
Join Date: Jan 2014
Vehicle:
2004 WRXXX

Default 03 WRX, Unknown cables behind the radio? ?

I pulled out the stock 'double DIN' head unit today and put in a cheap single DIN JVC unit with a 'Plastic pocket'

I connected all the wires base on some information off the internet and a help of a multimeter cos website info was not 100% correct, anyway I've gotten everything working correctly on my JVC unit. however there is ONE Yellow/Blue color wire extra has nowhere to go. base on internet it says its a adjustable Dimmer for Illumination (which for the factory head unit, the background light turns on when u turn on the headlight) and it has about 3v of electricity when I switch headlight on.

however for the JVC unit it has only ONE cable(orange/white) for Illuination+ which is a constant 12v when key is on. however the JVC unit is not compatible with adjustable dimmer as it will not light up unless u press the ON button to light the unit up.

I've connect the Violet cable (Illumination+) with the orange cable (Illumination+) on the JVC unit and it will not light up when I turn on the light (WRX wont allow u to turn on headlight without key on). so basically all the illumination will be off on the JVC unit unless I press the key to switch it on. unlike the sony unit I had previously, it will start flashing and showing off it's features even when it's switched off(with ignition key on)

I know it sounds confusing but am I doing anything wrong there? I've blocked off that last cable that had nowhere to go. should that Yellow/blue cable to be connected to 'Illumination' wire on the JVC unit? but I've already got 'Illumination+' conncted to the orange wire, the Yellow/blue cable is called 'Dimmer, Illumination-' based on the factory manual.

on the other hand, I've also found 3 other group of cables that had been disabled. one is a 16pin plug looks like what u can find in a PC, and another looks like a Ethernet cable, and then another 3x black cable that's been cut off... I know that my factory security system is disabled and that 'keypad' below the E-brake is not functioning. remote lock works but no security at the moment.

are those set of cables got anything to do with the factory security units that been disabled/removed/cut off... and can I safely remove the 'keypad' now?
please see below pictures



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Old 01-12-2014, 10:21 PM   #2
SubaruFozzy
Scooby Newbie
 
Member#: 378527
Join Date: Jan 2014
Location: Staten Island, NY
Vehicle:
2002 Forester S
Blue

Default

are you following the wiring diagrams for both the jvc harness and the wrx oem harness most time the colors dont match up exactly or sometimes at all. also most oem harnesses have extra illumination wires that aftermarket units dont need. as far as the other connecters you found that model year might have had an option for an upgraded system and the same harness was used throughout the vehicle extras installed or not.
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