Nissan Skyline GT-R Replacing the Radio Headunit

Guide on replacing the radio headunit in 1995 Nissan Skyline GT-R. Replacing an old Pioneer CD player for a new Alpine IDA-X100 car stereo.

By Tim Trott | Automotive | May 15, 2008
807 words, estimated reading time 3 minutes.

Standard disclaimer: The instructions given below are intended as guidelines only. Any dismantling of your vehicle you do yourself, and the author of this document cannot and does not accept any responsibility for any damage incurred by you dismantling or refitting components incorrectly.

Tools Required for Replacing the Radio Headunit

  • Phillips Screwdriver
How to Install Your Own Car Stereo System
How to Install Your Own Car Stereo System

Replacing the Radio Headunit Step 1

How To Install A Car Stereo
How To Install A Car Stereo

The first two screws we need to remove are located behind the ashtray. Simply pull the tray out and behind you should see two large screws. These hold the centre panel which we need to remove.

Replacing the Radio Headunit Step 2

How To Install A Car Stereo
How To Install A Car Stereo

Depending on how much room you have, you may be able to get away with only partially removing the centre panel. Once the screws have been removed you can pop the clips and pull the panel away. The panel also goes over the steering wheel and up to the door. You may be lucky and not need to remove it completely.

Replacing the Radio Headunit Step 3

How to install a car stereo, a step-by-step guide
How to install a car stereo, a step-by-step guide

With the panel clear you should be able to see four screws holding the cage on. There are two below the cage and two at the top, one on either side.

Replacing the Radio Headunit Step 4

Replacing the Radio Headunit Nissan Skyline
Replacing the Radio Headunit Nissan Skyline

The cage should now be free from the chassis and you can remove the screws holding the radio to the cage.

Replacing the Radio Headunit Step 5

Install a New Car Stereo
Install a New Car Stereo

Slight problem with the areal connectors, my GTR is fitted with a banana clip-style connector while the areal on the new head unit has a coax-style connector. I don't listen to the radio anyway so I left these loose and wrapped in tape.

Replacing the Radio Headunit Step 6

Replacement is the exact reverse procedure, but you should remember to screw the head unit to the cage again because Nissans ground through the chassis, not the loom. If you put everything back together again and strange things happen like the areal going up and down, no power to the radio and so on, check your grounding.

How to Install Your Own Car Stereo System
How to Install Your Own Car Stereo System

Alpine iDA-X100 - In Car iPod Radio Review

I was looking for an in-car music device where I could change the music I am listening to quickly without hunting down one of many scratched CDs. The solution had to be some kind of digital music management system, either a USB device or a Hard Drive unit, so I set about looking on various websites and forums until I found the Alpine iDA-X100.

Now that I have my iPod all set up how I want it (no thanks to iTunes!) I set about installing my new Alpine iDA-X100.

I was looking for a solution that didn't involve 30+ CDs rattling around in the glove box and getting scratched up. I was looking for a solution that meant that I could change what I am listening to quickly without hunting down a particular CD. It was obvious that the solution had to be some kind of digital music management system, either a USB device or a Hard Drive unit, so I set about looking on various websites and forums until I found the Alpine iDA-X100. Looks great and easy to use, I did a bit more research into the unit and everybody is giving it praise. Only one problem - I didn't have an iPod! After some net trawling, I managed to get the Alpine and a new iPod Nano 8GB delivered for around £330.

The Alpine iDA-X100

The radio itself features a large control dial on the front which functions in the same way as the iPod wheel, as well as a few buttons on the front. The right-hand side of the unit is dominated by a large colour TFT display used for showing track information and album art.

Once the unit was installed I quickly plugged in my iPod, which the unit found immediately and presented me with a list of the music on it. Using the front wheel (double-action encoder) to scroll and pressing it into select made changing the albums lightning fast. The unit also sounds amazing, with clear and undistorted bass with crisp and sharp trebles.

I also tested the unit with a standard USB memory stick (thumb drive) and the unit functions the same as when the iPod is connected except that you do not get album art through a USB stick. Album/Track navigation is just as quick.

So if you are looking for a similar in-car media solution then I can fully recommend the Alpine iDA-X100 iPod USB Digital Media Receiver.

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  1. KB

    On Wednesday 8th of April 2020, Kristen Brown said

    What a great article to share. A great contribution especially for someone looking forward to buying a car subwoofer, amplifier and enclosure. If anybody wants to install a new one, this is the most effective share, that will be very helpful for the best choice. Thanks a lot for the post.

  2. JE

    On Saturday 6th of October 2012, jesse said

    cheers man i didnt know about the grounding thing then done it after reading this as no power would go through my headunit til i screwed it back in now my sounds work :)

  3. FR

    On Tuesday 17th of March 2009, Fred said

    Just had the Alpine iDA-X100 installed and have found out that it will not work with hard drives that are NTFS paritioned. I tried on my 300 gig hard drive to set up a FAT32 parition of 32 gig (I think the MS limit for FAT32) and tried it and the Alpine still does not recognize it.

    The unit works fine with thumb drives. Has any out there figured out hard drive size limitations for this Alpine?

    1. Tim Trott

      On Friday 20th of March 2009, Tim Trott  Post Author replied

      Hi Fred, I think the drive is VERY picky about what it will read. My iPod has been locking up, freezing, disconnecting and causing so much headache recently I have been using USB stick again, except it won't read a drive it did a few months ago!

      From what I can tell, it must be FAT32 and have only ONE partition. The drive must contain only .mp3 file and folders (no .jpg, .ini, playlists or Windows Media Player files).

  4. GR

    On Wednesday 21st of January 2009, Graham said

    What is the maximum capacity of external HD that can be used with the iDA-X100?

    1. Tim Trott

      On Saturday 24th of January 2009, Tim Trott  Post Author replied

      Hi Graham, I'm not sure on the maximum capacity of the hard drive. I have used it with an 8GB usb flash drive without any problems, however I just plug my ipod into the back and leave it there. I'm sure I have a spare HDD some place, I'll see if I can dig it out and hook it up sometime.

  5. BY

    On Thursday 4th of December 2008, Byron said

    i have a CDA-9884 from alpine and want to replace it with a iDA-X100 but don't want to pay for the installation. Because i have already a some what new alpine would it be essayer to replace???

  6. DA

    On Tuesday 25th of November 2008, Dave said

    Hello Tim, thanks for the quick review and congratulations for the great site. I'm also looking to get one of these IDA-X100 units, but I would use it mainly with USB and external HD (I don't have an ipod). Besides not showing the album art while using it with these storage types, can the folders be navigated using the % fuction or how do you navigate large collections with subfolders? My collection is about 15K songs is grouped by Artist/Year/Album, so for example if I wanted to fast scroll to letter "M" and listen to Moby (which would be in the middle of the artists contaning "M") how would this work? Also is the search function only available with the ipod or does it work with HD and USB drives as well? My guess is that the unit would have to index all files and save it somewhere (so it does not have to do it everytime you start the car), but this could also take a while for large collection. Thanks in advance.
    Dave