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Old 09-20-2008, 07:27 PM   #1
BonesDT
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Default DIY Aux Input Kit for $1.99

I have pictures! Will a supported member help me post them please?

This is a How-To make your own Aux Input jack kit like the OEM part no. H6210FG000 for a 2007-2008 Impreza without Premium sound. I do not know what else it will work for, but if the 8-pin port in the back of the stock headunit looks like the one in the pictures, then it should work.

The MSRP for the OEM kit is $75 (you can find it easily for $62). This includes a module housing a 3.5mm TRS female connector for a headphone-style jack and a specialty cable that connects the module to the back of the factory headunit. It is of note that this $75 kit does not include the necessary TRS cable needed to play any audio device such as an MP3 player.
H6210FG000 Installation Instructions

I don't think I'm alone on this when I say this is a GIANT rip-off. This thread is a little F-you to Subaru.

I spent $9.50 at Radioshack for the 2 parts, and since one would have to buy the $7.50 cable anyway, I duplicated the OEM kit for $1.99. The car is leased, so the setup is super easy to remove and does not leave a trace of tamperage.

Refer to the "Real" Aux Input on 2007 OEM Radios section of
Stock head unit information -- pin-outs, aux inputs, and more

I have confirmed the pin assignments are identical for the 2008; Pin-1 is left stereo, Pin-2 is right stereo, Pin-5 is audio ground, and Pin-6 is a special Aux enable switch.

When looking at the back of your headunit, with the 8-pin connection port clip recess pointing upwards, the top row, left to right goes Pin-4, 3, 2, 1. The second row, left to right goes Pin-8, 7, 6, 5.

You will notice that when you press the CD/Aux button on your radio as it is, it will not go into the Aux mode. There is a +5-volt source at Pin-6 and when you ground it, it enables you to enter the Aux mode. I'm assuming the OEM kit has a switch in the female jack that senses when you plug a wire in and then enables the Aux mode. Since disabling the Aux mode is practically a useless feature, I will permanently enable the Aux mode by grounding Pin-6.

1) The hardest part is finding suitable connectors to attach intermediate wires to the pins. The connectors need to have an internal diameter small enough to fit snugly on the tiny pins, have an external diameter small enough so you can fit all four connectors on all four adjacent pins, and need to be completely insulated all around.

I found these tiny connectors "Telephone Butt Connectors" at Radioshack for $1.99. If you have scrap wire laying around, then you have successfully saved at least $60. Celebrate. I cut the extra plastic off one end of these connectors so that the internal metal sleeves would slide all the way onto the headunit pins. The inside of the connectors were still too loose for the skinny pins, so I hooked the intermediate wires under the bottom of the connectors so the wire and the pin would both fit very snugly inside the metal sleeve.

2) I used a 6-foot cable that had a 3.5mm TRS connector (standard headphone jack) on each end. I lopped off one of the jacks to expose the 3 wires. The uninsulated wire is the audio ground. I don't think there is a standard with the wire coloring (red, black, sometimes white), I've seen them reversed on cables, so it's best to use a ohm-meter to determine which is left stereo and which is right stereo. The tip of the jack is left stereo, the ring (middle section) is right audio, and the sleeve is ground.
http://en.wikipedia.org/wiki/Jack_plug

3) Now that you have a solid connection with the pins and 4 intermediate wires are sticking out of the back of your headunit, you can connect the stripped end of the TRS cable to the appropriate terminals. Attach the 4th Enable wire to one of the Phillips screws on the headunit brackets, similar to the instructions for the OEM kit.

4) Test everything before you start putting things back, then route the cable under the console just as the OEM kit instructions have you do. Plug in your MP3 player, laugh at the fools who bought the OEM version, and celebrate again.
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Old 02-26-2009, 03:06 AM   #2
subySerb
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does this work for the sinlge din CD player found in 2.5i and TR?
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Old 02-26-2009, 09:42 AM   #3
djosbun
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Damn, I wished this would work on an '04 so I can hook up my Sirius SatRad. Well, that has no 'aux' button on the radio, anyway.
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Old 02-26-2009, 09:46 AM   #4
Mechie3
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Host your pictures on www.photobucket.com and then post the [img] tag url here.
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Old 02-26-2009, 03:28 PM   #5
soob ftw
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i would also like to know if this works for the TR

and pictures would be amazing too

thank you!
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Old 02-28-2009, 12:34 PM   #6
BonesDT
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http://s29.photobucket.com/albums/c2...Impreza%20Aux/

I don't know what a TR is. I don't know what else it will work for. Check out the Stock Head Unit Information link I posted. If Subie makes a simple Aux Input kit like the model number above, then you can get this to work. They are just selling you the wire.
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Old 02-28-2009, 05:23 PM   #7
subySerb
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Quote:
Originally Posted by soob ftw View Post
i would also like to know if this works for the TR

and pictures would be amazing too

thank you!
it seems that pics are for the double din unit and i don't think that we have Aux button on our players.
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Old 03-05-2009, 08:21 PM   #8
fprinz
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great tip!
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Old 07-01-2009, 12:59 AM   #9
chimps46
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is there a way to use the satellite hookup for an additional line in?
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Old 07-01-2009, 04:57 PM   #10
SVXdc
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Quote:
Originally Posted by chimps46 View Post
is there a way to use the satellite hookup for an additional line in?
Yes, but not for $1.99 unfortunately... link (post #169 in that thread).

Oh, and please don't cross-post the same message in multiple threads.
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Old 07-02-2009, 01:35 PM   #11
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Quote:
Originally Posted by djosbun View Post
Damn, I wished this would work on an '04 so I can hook up my Sirius SatRad. Well, that has no 'aux' button on the radio, anyway.
There is a kit you can buy that uses your CD changer interface, to allow you to install an aux input. I don't know where to find it, but i know its out there.
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Old 07-25-2009, 11:56 AM   #12
Deeez
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This sounds great, but I have a question for the OP:

Permanently enabling the aux input, does that affect the CD player's functionality?

Thanks for your ingenuity, OP.
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Old 07-25-2009, 12:04 PM   #13
MF-DIF
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Subscribed for when pics come up.
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Old 07-26-2009, 12:22 AM   #14
SVXdc
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Quote:
Originally Posted by Deeez View Post
Permanently enabling the aux input, does that affect the CD player's functionality?
Not at all. The two audio sources go into separate inputs. The only thing the aux enable line does is permit you to select the aux input. It's just software in the radio's microprocessor ("does the CD/AUX button just do CD or does it toggle between CD and AUX").
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Old 08-01-2009, 02:49 AM   #15
j-scott
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Default Many thanks

Just wanted to thank the OP for this DIY. Hooked up my radio yesterday and no more having to deal with a crappy fm modulator for sirius or burning cd's just to listen to mp3's.

Many Thanks!
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Old 08-01-2009, 03:55 AM   #16
Terrible Juan
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Quote:
Originally Posted by BonesDT View Post
This thread is a little F-you to Subaru...

...laugh at the fools who bought the OEM version...
Or laugh at the ones who leased a car.

You're sure showing them!
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Old 08-10-2009, 07:28 AM   #17
Organic_MK
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is there anyway to get this to work on a tr?
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Old 10-11-2009, 07:40 PM   #18
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Thank you very much. I just did this and I must say it even looks professional. I took the plastic piece from the center console, used a dremel to remove the extra plastic from the back side, drilled a hole and mounted a plug.

The hardest part was removing the paneling without using excessive force, simultaneously wanted to get it off and not wanting to harm my less than 1 month old car
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Old 02-07-2010, 03:38 PM   #19
p2adan
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Good work, works flawlessly! Thank you for the write-up.
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Old 05-26-2011, 03:17 PM   #20
mickfo
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Thank You!

This worked perfectly. I couldn't be happier with the result. The dealer wanted $500 to install the aux wire and best buy wanted $200, but instead I got it working perfectly for like $10 total. Thanks again!
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Old 06-15-2011, 01:14 PM   #21
n_bart
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Default Great Post

Just wanted to let anyone who was wondering know that this DIY also works on the 2011 Impreza base head units. I just installed mine last night and it works perfectly. Thanks again for this post!
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Old 12-08-2011, 01:43 PM   #22
cleardaze
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Thanks for giving the pin assignments. I've looked everywhere for them and this is the first time I found them. Hell Cartoys tried to charge me $180 for the cable. yuck. It works great but I'm a fan of the aux in the glove box, plus it's so much easier to route the wire. Just a quick handoff. I also used a wire crimper and a 26-22 guage telephone butt so it just fit like a glove onto the pins. I would have used aircraft cannon plug pins but don't have a crimper for them. Thanks again for the thread. I know it's three years old but it worked on my 2011
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Old 02-07-2012, 11:30 PM   #23
rafael_rahme
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Default Alternative Way

That was great man, many thanks!

I wanted to do something like that for a while now, but I didn't know what to to with the the "ENABLE" cable,

I did something similar, but instead of using butt connectors, I soldered the cables straight to the main board, the result was good.

Soon I will post a step-by-step with lots of pictures!

Thanks Again man!
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Old 02-08-2012, 12:22 AM   #24
SVXdc
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I'd be interested to see pictures of the blank that you get instead of the aux pod. Is it just a plate like the one shown here? (translated)
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Old 02-08-2012, 04:31 PM   #25
rafael_rahme
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Hello friends, first off, Im from brazil so excuse me my english

As I promised, here goes a step-by-step, guide to you if you want to do what I did, It isn't hard, Im not a pro nor anything like that, Im just an engineering student, you will have to know how to solder to get it done right, that was the only hard part for me, because I am not very good with solders

The original Idea was to drill a hole on the back plate of the stereo and pass a female TRS connector through that hole, I bought that connector to the equivalent to USD $0.25
That way the stereo would be still really compact in case I decide to remove it to sell and get one of those multimedia things, but I don't have a drill right now, I couldn't wait to get my hands working so I left the drill for a possible other time.

In this step-by-step tutorial I only routed the AUX input to under the dash, on that place with the 12V output, someday I will route it to the central console too and have a selector switch, so I have two inputs, and a switch to select which one is being used to avoid crossed signals, and MAYBE, let the ladies in the back choose what they want to listen to lol.

Unfortunately the order of the pics got inverted, so start with the pic number 79 (the last pic is the first)
so here it goes folks:




http://s925.photobucket.com/albums/a...DIO/?start=all

Please let me know what you think about it : )
Any inputs or questions are welcome.

PS.: My Stereo is the regular one, not the 6 CD changer, but I'm pretty positive it can be done with the 6 CD changer as well.


Last edited by rafael_rahme; 02-12-2012 at 11:36 PM.
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