Does anyone with MDI also have a working Aux-in socket?

I am retro-fitting an MDI to my Octavia (with Columbus) and would be interested to know if anyone has both working?

I dont know how to switch between MDI and Aux-in. It only plays from the Aux-in socket if I unplug my USB hard drive, which isnt exactly ideal!

I dont have a manual so thats my excuse for not knowing that! At least it means I havent made an error while fitting it all.

What a pain the *** though, I wish some things with cars were easy.

Any info on your MDI installation Keith? I too am going to be retrofitting MDI so all help/hints would be greatly appreciated.

Thanks

Its very easy, just follow the wiring instructions with the kit and you cant go wrong. Took me about an hour.

Of course you need the headunit out, I also took out the glovebox to hide the MDI unit above it and feed the Ipod cable through into the glovebox.

You'll need to extract some pins (CAN H+L, power, earth, and the Aux-in pins (x3)) from the plugs at the rear of your current headunit - I dont have the official wiring extractor tools so I used a combo of very fine 'watchmaker' screwdrivers and a needle from the wife's sewing kit to release the locking tabs.

You should also code you car with VCDS, my MDI worked without this being done but did log a fault code until it was coded.

When you say instructions that came with the kit, which kit do you mean and if it was just parts from skoda which part numbers did you order?

I'm asking because you are the first person I have seen that has had to remove certain pins from the connectors, all other people who have done the retro-fit have said its a straight fit of the harness and then a re-code with VCDS.

Cheers.

5N0 057 342 was the kit I used. (I have another for sale in the classifieds if you need one!) It is not 'plug and play', you need to move the pins as I described above but the manual that comes with it explains it fully, its fairly simple to do.

Its a straight fit with retro-fit kits from people like Kufatec.de who make their own PnP harness to go between the radio and the car's harness(but they charge extra money for it of course)

Done this myself too, as Keith says, theres nothing to it.

the MDI kit leaves you with a plug for your aux socket, my car didnt have an aux socket built in so i went to a scrappy, found the right plug from another VAG car and soldered it to an inline 3.5mm jack socket and volia, MDI + Aux in

as already mentioned, the only way to access the Aux in is by unplugging the MDI. This is because the MDI sends audio signals to the headunit by the Aux in, unplugging it puts it into bypass mode