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  1. #1

    Exclamation Disconnecting OnStar in Onstar-equipped 99-06 Silverados/Sierras

    To kick Big Brother out of your truck, permanently, fuse removal is not enough, as that only disables audio functionality for OnStar. In Onstar-equipped 99-06 NBS trucks, the OnStar unit should be located behind the passenger side air bag and be accessible via the glove box. This simple, 5-step process will let you drive wherever you like, however you like -- without OnStar tracking it. You can undo this any time you like to re-enable OnStar; simply reverse the process.

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    Notes:
    Older (analog) OnStar units may not look like this or have the same number of connections, but the principle should be the same.

    Also, if you plan to re-enable OnStar or want to reserve the ability to do so, then please pay attention which multi-pin ports on the OnStar unit your connections are using PRIOR to disconnecting them. You can see from the 4th picture, above, that there are more multi-pin ports than I have connectors. I will never re-attach mine so I didn't label anything. If you think you might want to reconnect yours, inspection prior to disconnection ... followed by labeling ... would be prudent.
    Last edited by SurrealOne; 01-25-2012 at 12:15 AM.

  2. #2
    Legend

    Red Z71 Max's Avatar
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    Nice Post!!!! @SurrealOne!!!!!

    (Scott) Myrtle Beach, SC
    January 2012 ROTM WINNER
    2011 GMC Sierra Z71 MAX 6.2 L w/ Trailering Package
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  3. #3
    Sr. Mechanic 747's Avatar
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    Nice! Im going to take a look at the onstar unit on my NBS and see if I can do the same!
    2011 Silverado, ext cab, LT, Z71, 4X4, leather interior, color matched mirror caps & bowtie.



  4. #4

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    LOL. Great post and soooo technical.
    2010 Chevy Silverado Z71 ext cab.4x4
    72 Monte Carlo 350-415 hp- sold (June 2011) to pay medical bills
    79 Impala 350 4bbl 375 hp- sold (June 2011)to pay medical bills
    oldfart2413@gmail.com

    "If He asks you to go a mile go two"

  5. #5

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    Also worth mentioning is that the blue connector in the photos is for the GPS antenna (which makes it potentially re-usable for aftermarket GPS nav head-units) while the large coaxial-like connector is the cellular antenna (which is what's wound around your radio antenna ).
    Last edited by SurrealOne; 01-25-2012 at 12:24 AM.

  6. #6

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    well i dont have onstar but its nice to know of all that empty space for anyhitng else i might plan to put there!
    2000 Chevrolet Silverado

    Powertrain:
    4.3L V6, 4L60E, 2WD, Single Cab
    Performance:
    Airaid CAI
    Poweraid TB Spacer
    Flowmaster 10-series exhaust (dumped)
    BLACKBEAR TUNED!!!
    Edge CS insight monitor
    4.10 gears
    Limited-slip differential
    LS-1 Dual Electric fans
    Corvette tranny servo swap

    Audio:
    Head Unit: Alpine
    Speakers: Alpine SPR-60C 6.5" component set, 4X6 Infinity Kappas
    Subs: 2-12" Kicker CVT's
    Amps: Alpine-M1000 (subs), Alpine MRX-F65 (Speakers)


    Tires/Wheels:
    305/70R16 NITTO Terra Grapplers
    16" PROCOMP 7089's
    Suspension:
    2" leveling kit
    3" Fabtech Spindle Lift Kit
    Front/Rear-Bilstein 5100 shocks

    Lighting:
    FRONT
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    RECON LED smoked roof cab lights
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    Accessories:
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    Russell braided steel brake lines
    Powerstop-red powdercoated brake calipers
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