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Install Garage & Help Desk You've got the radio, now which cable goes where? Got questions about factory installed radios in your car? Ask any installation or help questions here and someone will get to you soon.

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Old 02-15-2005, 11:40 AM   #1
vw mofo
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Default Got a newer Pioneer headunit? Aux in without paying for it.

This is for newer Pioneer headunits that use IP-Bus for communication to external devices.

I just bought a used pioneer head unit for my car based on the specs I saw on crutchfield. Had everything I was looking for. 3 preouts, high and low pass filters, aux in*, sat ready (so I can run the sirius box at a later time), etc etc...

Not paying attention to the specs, the asterix after aux in means that it's optional. According to Pioneer there are two options. the CDRB10 ($35) and CDRB20 ($80). The CDRB10 is just an auxilary adapter for pioneers IP-Bus. The CDRB20 allows the use of a other ip-bus capable devices in addition to aux.

I found a free or nearly free solution over at Cost of this depends on what you may or may not have laying around the house, I just happened to have everything I needed so this didn't cost me a dime. This also assumes you are somewhat comfortable with a soldering iron.

Parts list:

- Computer CD-ROM Audio cable, or any other kind of computer connectors such as hd led light, reset button, etc...
- any kind of female RCA cables.

*Note: That pinout is of the actual IP-bus cable connector and is a mirror image of the socket on the back of your unit. The pins you are concerned with on your head unit are in top two rows when looking at the back of your unit. The three on the top right are pins (right to left) 11,10, and 9. Pin 7 is directly to the right of the larger pin in the socket.

Cut both of the CD-ROM audio cable ends off leaving enough wire on the leads to solder to. My cd-rom audio connector had 4 pins. I hacked off one pin and then hacked off three from the other end. Soldered the three to my new three pin connector and the remaining one wire to the other one pic connector. Plugged it in and it works perfect.

Your cable should look something like this.

You may have to turn the auxilary in source on before you can select it. To do this (instructions are for my unit, but I assume all pioneers are similar), turn the unit completely off. Press and hold the func button for 3 seconds. Hit func until aux is selected and turn it on.

I have simplified the instructions quite a bit. Click here, here, or here for more detailed instructions. Just so you all know, I cannot take credit for this in any way. I just thought I'd pass it along to help as many of you get away from those lame ass FM modulators as possible and to stick it to pioneer for making you pay $35 for a cable that can be made for less than $5.
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Old 02-15-2005, 03:40 PM   #2
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Got a newer Pioneer headunit?  Aux in without paying for it.
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Great info, thanks.

I can see why they have to charge $35 for such a complicated piece of equipment! :roll:
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Old 02-15-2005, 04:41 PM   #3
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Thanks a ton!

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