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Thread: Ultimate GU Stereo Installation - Lots of pics

  1. #1
    Advanced Flex's Avatar
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    Ultimate GU Stereo Installation - Lots of pics

    I love my music and the patrol's factory stereo system wasn't doing it any justice. So I decided to upgrade it, which ended up replacing everything!!!

    Prep & Wiring: I started with wiring an Aeropro adapter (for the patrol's factory stereo connector) to my new head units harness so I could simply plug it in. I planed to install an amplifier to power all the speakers however I found the factory speaker wire to be super thin (~0.3mm2). Then I found out that Nissan had used connectors on all the door grommet which made it impossible to pass speaker wires through them. I inspected on connector and found that there was empty cavities in it, so I tracked down the original terminals and added in new speaker wires into all the grommets. I obtain a bunch of connectors from the wreckers, however to remove the old wire from the terminals wasn't easy as the wires where professional crimped which is basically cold welded. So I had to cut the wires out with the dremel, see below pictures. Then I crimped & soldered the terminals onto my new speaker wire. I ended up using around 20m of speaker wire after I had installed all the wires for my tweeter split, sub woofer feed in the rear and all the door speakers.

    Here I decided to dyna mat all my doors as I wanted the doors to have good mid bass. I bought a package of dyna mat and completely covered the inside of my doors. Then I noticed that the plastic waterproof liner that protected the door trim from water had been damage by the people who installed the window tints. So I thought why not replace it with dyna mat and turn my doors into speaker boxes. After another box of dyna mat I have completely covered the inside and trim side of my doors, see bellow for pictures. I still had to retain the speaker sheilds from the plastic liner as these are needed to protect the speakers from water coming through the window seals
    It also made the doors sound like a European car when I shut them.

    Amplifier
    Where to installed the amp was another issues, I've seen people on the forum put it under the seat, but there's the possibility that it would get soaked during a water crossing, also in the back cabin area was another option but then you have to run speaker wires & RCAs all the way back then forward. I went hunting and found a 50mm space under the center console, this place was perfect, high, close to the head unit and center of all the speakers I went searching for an amplifier that would fit there and I came across a JL 5 channel amp which was really good as I would only need one amplifier. The only thing I had to do was to sand the injection molding peg under neath the center console bin. To mount the amplifier I used male Velcro to attached it to the carpet and foam on the bottom of the center console bin to apply pressure down once re-installed. (Hasn't moved a mm)

    I couldn't find any RCA the size I needed so I made my own. I used Neutrik RCA connectors and Canare cable and red and white heatshrink added strain relief to the cables, see pictures

    Speakers
    For the rear doors I used Apline 6.5" Type R Coaxials. For the front I was going to used Apline Type R Slits, but after listen to the JL C5 splits I was sold. Much better mid to high end sound quality.

    For the split's tweeters I wanted to use the Ti's factory A pillar mounts. I couldn't find any wreckers with a wrecked Ti GU 4+ so I had to buy the A pillar trims brand new. I machined down the JL tweeter mounts and mounted the tweeters with automotive grade double side tape, (see pictures) this stuff was like super glue.

    The crossovers for the splits were another challenge as I didn't want to mount them too far from the speakers, I found a spot just be hide the bottom kick panels (under the auto computer on the passenger side and under my CB radio on the drivers side). I made some foam pockets for them to sit in so they wouldn't rattle.

    I didn't go overboard with the subwoofer as I still wanted my cargo aera, I found this Pioneer 12" ported unit which wedged in just behide the 2nd row seats.

    Headunit
    I used an Apline single DIN head unit as I didn't want a touch screen unit. I bought a Aeropro Nissan pocket to fill the other DIN space, it didn't fit..... As much as I tried couldn't get it to mount correctly. I went to Nissan and they source me the pocket from the DX model pocket from my year and to my surprise it fit perfectly.
    The whole stereo (head unit and amplifier) is powered off my second battery so I can't kill my start.
    As I didn't need two cigarette lighter plugs I removed one and installed a USB socket with 3.5mm AUX in, see head unit picture.

    Sound
    So how does it sound, as it took me 3 months to install, absolutely fantastic!!! I don't even have to run any EQ!! Bass, treble all flat. Plus the dyna mat has made the car sound like it has a stock stereo from outside.

    Wow that was alot of words, haven't written anything that long since university. Hope you guys can learn from this post.














































    Last edited by Flex; 23rd February 2015 at 09:07 AM.

  2. The Following 23 Users Say Thank You to Flex For This Useful Post:

    Big Gags (16th March 2018), Bigcol (25th February 2015), Bulbous (22nd February 2015), Evo (4th May 2015), Family4x4 (24th February 2015), Hardyards (23rd February 2015), katwoman (23rd February 2015), LaughingBeagles (15th April 2015), lucus30 (22nd February 2015), MEGOMONSTER (24th February 2015), MudRunnerTD (22nd February 2015), my third 256 (28th April 2015), Navarra (15th July 2015), Nick-o-larse (23rd April 2018), NissanGQ4.2 (22nd February 2015), oncedisturbed (22nd February 2015), Punderhead (23rd February 2015), rusty_nail (15th April 2018), threedogs (22nd February 2015), TPC (23rd February 2015), wildgu6 (22nd October 2015), willkenobi (19th April 2015), Winnie (24th February 2015)

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  4. #2
    Apprentices Rule!!! Punderhead's Avatar
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    Wow man, a lot of work. I feel bad for just replacing my speakers and head unit now......

    Aside from time, what would you say it cost you $$$$ wise?
    GO HARD OR GO HOME!!!
    My rig HERE http://www.nissanpatrol.com.au/forum...Moneypit-89-GQ
    WARNING: Towballs used in a recovery can and DO KILL people!!!

  5. #3
    Patrol Goddess katwoman's Avatar
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    very nice job. Especially love the tweeters in the pillars.
    KATROL- The 2nd
    GU TD42TGi
    Not as pretty, but a whole lot tougher
    Silent member 1208
    Yes Michael, I bought a JEE.....60.

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  7. #4
    Patrol God
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    Bloody hell. That is some awesome audio work. Well done.
    2005 TD42TI

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    The 747 Winnie's Avatar
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    Great work. Need to do this as I am still listening to paper speakers from Nissan... lmao
    How did you go with putting the Dynamat inside the doors? Are you worried about it getting wet or holding water?

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    .......... TPC's Avatar
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    Very professional job, well done.

    Has it improved the off road ability?

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    Patrol God bigguwesty's Avatar
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    Quote Originally Posted by Winnie View Post
    How did you go with putting the Dynamat inside the doors? Are you worried about it getting wet or holding water?
    The dynamat is a solid rubber layer so no chance of it absorbing water.
    If you install it over the drain holes in the bottom of the door then that's a different issue and id say the water would then be trapped.
    I installed mine all 1' from the bottom of the door. So if anything pools it has a bit before it touches.
    But in saying that even the foam I used is closed cell so won't absorb the water.
    Cheers
    Kallen Westbrook

  11. #8
    The 747 Winnie's Avatar
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    Quote Originally Posted by biggqwesty View Post
    The dynamat is a solid rubber layer so no chance of it absorbing water.
    If you install it over the drain holes in the bottom of the door then that's a different issue and id say the water would then be trapped.
    I installed mine all 1' from the bottom of the door. So if anything pools it has a bit before it touches.
    But in saying that even the foam I used is closed cell so won't absorb the water.
    I definitely want to Dynamat the doors when I get around to doing the stereo. How hard was it to cover the inside of the door? Not much access room. Just cut into small pieces and do it that way?

  12. #9
    Advanced Flex's Avatar
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    Thanks guys for the praise.

    The dyna mat doesn't hold water as biggqwesty stated. It's basically tar with an aluminium backing and I didn't cover up the drain holes in the bottom of the doors. It wasn't too hard to install the dyna inside the doors. Just had to cut it into smaller pieces, say 300 * 300mm

    Well the stereo installation has increased the weight of my Patrol, which goes against off road ability. But doesn't every mod we do increase weight.

    As for cost I'll try to sum it up tonight and post a list of gear I used.
    Last edited by Flex; 24th February 2015 at 08:45 AM.

  13. #10
    Patrol God bigguwesty's Avatar
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    Quote Originally Posted by Winnie View Post
    I definitely want to Dynamat the doors when I get around to doing the stereo. How hard was it to cover the inside of the door? Not much access room. Just cut into small pieces and do it that way?
    I wiped my doors out with soapy water then metho. Don't use kero..

    And the halved the sheets so they fit in nicer. I pre pealed the top couple of inches and peeled and stuck as I went. With the window up and all electronics out its not to bad in the gq.
    A bit more cutting and shaping in the rears of course.
    Cheers
    Kallen Westbrook

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