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Thread: First Build Advice for 2000 Pontiac Montana Mini Van Power PC

  1. #1
    Newbie GamerGirlAlice's Avatar
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    Cool First Build Advice for 2000 Pontiac Montana Mini Van Power PC

    ok i want to do a power build with a i3 or i5 build. i have a 2000 Pontiac Montana mini van with a head unit that tied in to chime and theft system. just to put a aftermarket head unit in i would need to install the Metra GMOS-01 wiring harness to retain chimes and not throw security haywire. my question is can i hook up to stock speaker wiring and make it work for sound. i build computers for myself so the build isn't the hard part for me, its the car integration.

    the concept for the build is a powerful car pc i could add a second monitor too for rear seat passengers to play games watch movies, front seat music, navigation ect.

    Thanks in Advance, GamerGirlAlice
    P.S. im a handicapped computer geek that loves her car.

  2. #2
    FLAC SNOtwistR's Avatar
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    Hey welcome to the forum! You will need sort of amplifier, but you can use your built-in speakers without problems. I use the 4 factory speakers along with a logitech x540 sub and centre. I replaced the power supply in the x-540 to automotive dc-dc. It works excellent for my old ears and gives me a remote volume control I have near my seat. Be sure to setup a worklog to follow your progress. SNO

  3. #3
    Newbie GamerGirlAlice's Avatar
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    so i would still need a amp then huh. would i need to do a complete speaker rewire too then so i can use it?
    Last edited by GamerGirlAlice; 01-07-2013 at 08:14 PM.

  4. #4
    FLAC PhilG's Avatar
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    If there is no external amplifier in your vehicle, you should be able to connect to the factory speaker wires behind the factory radio with a small amp connected to the PC. I'm not sure if you can just tee onto the factory wires without the adapter or not though.

    If you use the GMOS-01, then tapping in through it will be no problem, you would need to add at least a small amp right at the PC and run the speaker level output wires right to this adapter. That would allow you to leave all of the vehicle wiring in tact even if there is a factory amp as well.
    My 2007 Ford F350 Work Log located HERE

  5. #5
    Newbie GamerGirlAlice's Avatar
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    Quote Originally Posted by PhilG View Post
    If there is no external amplifier in your vehicle, you should be able to connect to the factory speaker wires behind the factory radio with a small amp connected to the PC. I'm not sure if you can just tee onto the factory wires without the adapter or not though.

    If you use the GMOS-01, then tapping in through it will be no problem, you would need to add at least a small amp right at the PC and run the speaker level output wires right to this adapter. That would allow you to leave all of the vehicle wiring in tact even if there is a factory amp as well.
    what kind of amp are we taliking about? a full blown car amp or something else entirely??? i am looking at geting the "Power Bundle - Mobile Car Computer System" & "Direct Fit Double Din LCD Touch Screen for 2000-2005 Pontiac Montana" in the store
    Last edited by GamerGirlAlice; 01-07-2013 at 10:42 PM.

  6. #6
    Newbie GamerGirlAlice's Avatar
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    i compiled a list of componets maby you all can tell me if i missed someting.

    • Direct Fit Double Din LCD Touch Screen for 2000-2005 Pontiac Montana
    • Microso​ft Windows​ 7 Home Premium​ by Microsoft Software
    • ASUS DDR3 Intel Z77 2400 Socket Motherb​oard P8Z77-I​ DELUXE/​WD by Asus
    • Kingsto​n Technol​ogy HyperX 8 GB (2x4 GB Modules​) 1600 MHz DDR3 Dual Channel​ Kit (PC3 12800) 240-Pin​ SDRAM KHX1600​C9D3K2/​8GX by Kingston H. Corporation
    • Intel Core i5-3570​K Quad-Co​re Process​or 3.4 GHz 4 Core LGA 1155 - BX80637​I53570K​ by Intel
    • Samsung​ Electro​nics Samsung​ 840 Series Solid State Drive (SSD) 250 sata_6_​0_gb 2.5-Inc​h MZ-7TD2​50BW by Samsung
    • Panason​ic UJ240 6x Blu-ray​ Burner BD-RE/8​x DVD±RW DL SATA Drive (Black)​ Offered by MLC Distribution, Inc.
    • M2-ATX 160W Intelli​gent DC-DC PSU Offered by Mp3Car Store by Mini-Box
    • VoomPC-​2 CarPC Enclosu​re Offered by Mp3Car Store
    • Legacy LAMP4 1600 Watt 4 Gauge Amplifi​er Install​ation Kit by Sound Around
    • Alpine KTP-445​U 4-chann​el Power Pack Amplifi​er Offered by Car Audio Dealers
    • Axxess GMOS-01​ 02-Up Onstar Harness​ Adapter​ with Chime Offered by Electronic Express
    • Boyo VTL300C​IR Zinc Metal Full Frame License​ Plate Camera (Black)​ Offered by E&B Electronics


    Thanks in Advance, GamerGirlAlice

  7. #7
    FLAC PhilG's Avatar
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    That KTO-445U amp should work perfect for what it sounds like you trying to accomplish. I think a 4 guage wire kit is over kill at this point but you would future proof yourself if you fall into the "more power" trap later on.

    I believe the GMOS-01 is for non amplified systems with Onstar so if that is how your your Montana is equipped, it should work fine. Make sure you buy that component from a place with good warranty & easy exchange policy, these adapters seem to have more trouble than most other components including DOA right out of the box. In fact I have a Scosche GM09SR sitting on the shelf that was DOA and too difficult to return. I bought the replacement locally and switched brands.

    The next issue could become the speakers. That amp is only 45w /ch but hat is still more than enough power if you want to abuse the factory speakers so your listening habits will determine the fate of the GM speakers.

    Regarding your PC specs, hopefully others will chime in on that, my car PC experience is limited to a laptop at this point.
    My 2007 Ford F350 Work Log located HERE

  8. #8
    Newbie GamerGirlAlice's Avatar
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    Quote Originally Posted by PhilG View Post
    That KTO-445U amp should work perfect for what it sounds like you trying to accomplish. I think a 4 guage wire kit is over kill at this point but you would future proof yourself if you fall into the "more power" trap later on.
    well the amp doesn't require that the 4 gauge will be set up for computer power. i know its over kill but better safe then sorry and if i upgrade i have the hd wire ready.

    Quote Originally Posted by PhilG View Post
    The next issue could become the speakers. That amp is only 45w /ch but hat is still more than enough power if you want to abuse the factory speakers so your listening habits will determine the fate of the GM speakers.
    i herd the Polk Audio db651s are good speakers for the amp i chose according to Crutchfield. but i can get up and running using factory speaker and factory wiring harness for now.

    Quote Originally Posted by PhilG View Post
    Regarding your PC specs, hopefully others will chime in on that, my car PC experience is limited to a laptop at this point.
    its a nice build i know but the power phase riser card is where im worried it touching the case. but best mini itx board i seen so far.

  9. #9
    Newbie GamerGirlAlice's Avatar
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    in my last post i mentiond the asrock mobo but not sure if psu can power it since board has a 8pin

  10. #10
    Constant Bitrate eugenweij's Avatar
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    8 pin 12V isnt an issue , you can get molex to 4 pin cables and and the M2 supports 4 a 4pin to 4pin cable , wich is basically the same as 8 pin, also the pin configuration wont need to be changed.

    http://store.mp3car.com/4_Pin_P4_Mol..._p/cbl-056.htm

    http://store.mp3car.com/P4_12V_to_P4..._p/cbl-014.htm



    as for your proc , I see it is rated at 77W , wich should be low enough for the power supply .
    Last edited by eugenweij; 01-10-2013 at 03:52 AM.
    View my worklog here

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