Car Stereo Auxiliary Input cheap hack

bugaboo

Well-Known Member
http://www.mattgilbert.net/carstereoauxinput/

Car Stereo Auxiliary Input

Monday, June 06, 2005
I was tired of using a cassette adapter with my iPod, because it added lots of noise. If I tried to turn the iPod up loud to drown out the noise, the levels would get messed up somehow, and the treble would sound painfully loud. After looking around online for auxiliary input things you can install in your car, I found that they all ranged from $80 to $200, plus installation. While this may be nothing to some people, I thought that an aux input can't possibly be that big of a deal. So I poked around with my stereo and figured out how to do it while buying only a toggle switch that I got for 50 cents, and using some wires and stuff that I already had lying around.

I got sort of lucky, because my 2001 Corolla was a little easier to hack than I imagine some cars will be. I'm just using the factory system here, with no aux inputs built into the head unit and no amp or anything like that. The difference is, mine has a CD player unit that's seperate from the head unit. This means that there is audio being passed from the CD player to the head unit, and those wires can be clipped and redirected to other uses. I imagine any car that has a seperate CD player, CD changer, or whatever will be hackable in the same way I did. If not, then I guess you'll have to figure out some other way of doing it.

more ...
 
Re: Car Stereo Auxiliary Input cheap hack

For 3G iPod and beyond, one should use the line-out port to hook up with the HU, the advantage is that you will not get distortion and not having to match the sound level from the iPod to the HU. I have mined hooked up this way via the cassette adapter and it works fine for me.

The cassette adapter definitely has noise, but once the music is playing, the noise is drowned.

I would definitely like to have this wire tapped, but looking at E39 HU wire harness, they are all ribbon cables .. which makes it hard to do.
 
Re: Car Stereo Auxiliary Input cheap hack

KT said:
For 3G iPod and beyond, one should use the line-out port to hook up with the HU, the advantage is that you will not get distortion and not having to match the sound level from the iPod to the HU. I have mined hooked up this way via the cassette adapter and it works fine for me.

The cassette adapter definitely has noise, but once the music is playing, the noise is drowned.

I would definitely like to have this wire tapped, but looking at E39 HU wire harness, they are all ribbon cables .. which makes it hard to do.

Do you know whether the TV monitor (as shown below) has an aux input?
 
Re: Car Stereo Auxiliary Input cheap hack

that's the factory nav unit isn't it?
 
Re: Car Stereo Auxiliary Input cheap hack

bugaboo said:
gab,
the bmw aux input? i think yes for 2003 and newer.

http://www.x5world.com/html.php?file=ipod.htm

Meng, if only available from 2003 onwards, how did u overcome that for your previous 2001 X5? Or did u replace the CD player with DVD player?
 
Re: Car Stereo Auxiliary Input cheap hack

hi andy,
the tv module comes with additional rgb inputs for dvd audio and video, and reverse camera video inputs. but the tvmodule only supports mono channel. so its not ideal. ideal is to use the aux input, which i can't do (MY2001)
 
Re: Car Stereo Auxiliary Input cheap hack

bugaboo said:
gab,
the bmw aux input? i think yes for 2003 and newer.

http://www.x5world.com/html.php?file=ipod.htm

I read the link you provided, it appears to me that the Aux in is probably via the changer port? I may be wrong though.

The description under Aux seems to suggest that as well .. and I do know of a friend's E39 fitted with aux in via the changer port, he bought all the necessary wiring harness from the US, it even has a toggle switch to allow it to operate in three modes; changer, aux 1 and aux 2 .. kinda cool but the intallation is a bitch .. it involved taking out the rear seat, running wires all the way from the rear to the front, etc.
 
Re: Car Stereo Auxiliary Input cheap hack

I think the aux input mod is not via the cd changer port. it adds another source option to the head unit. besides cd, radio, you now have aux option.
18226096.jpg


P8091323.jpg


the bmwipod option does replace the cd changer.

but if you want to use ipod, i think the best is to use the dension icelink-plus
 
Re: Car Stereo Auxiliary Input cheap hack

Wow thanks ... I wonder if they have this harness for 2003 E39 with Business system .. do you know?
 
Re: Car Stereo Auxiliary Input cheap hack

bugaboo said:
gab,
the bmw aux input? i think yes for 2003 and newer.

http://www.x5world.com/html.php?file=ipod.htm

Cool...does that mean if I buy the orig. BMW aux cable, hook it up to the rear of the tv monitor and I am in business? If so, then eBay here I come... I heard that the aux input is also available with the business CD. Can you confirm? That would be a cheaper option and won't involve much ripping off.
 

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