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Thread: 2002 SLS not starting after radio install ***update***

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    daddyruiz820 is offline Cadillac Owners Member
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    2002 SLS Aftermarket double din installed

    Just had a double din installed and now car won't start. I can hear the relay but no crank what so ever. Any ideas?Guy says it's the factory security but I'm not sure. Never had a problem like that. Need help asap


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    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: 2002 SLS Aftermarket double din installed

    Quote Originally Posted by daddyruiz820 View Post
    Just had a double din installed and now car won't start. I can hear the relay but no crank what so ever. Any ideas?Guy says it's the factory security but I'm not sure. Never had a problem like that. Need help asap
    ---------------------
    Cadillacs do NOT like their electronics messed with - by amatures -
    the security system goes throughtout the entire car - and through MOST modules -
    do a simple radio install WRONG - without the special adapters/modules -
    and you WILL be PLAGUED with electronic problems - FOREVER -

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    daddyruiz820 is offline Cadillac Owners Member
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    I'm hoping not. They installed one on another car and it worked fine. Looking for a solution here.

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    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: 2002 SLS Aftermarket double din installed

    Quote Originally Posted by daddyruiz820 View Post
    I'm hoping not. They installed one on another car and it worked fine. Looking for a solution here.
    --------------------------
    They installed one on another car and it worked fine
    but - was the other car a Cadillac?

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    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    It's almost definitely not the factory anti theft system (PassKey III) Look on your receipt. Do you see the words "integration module" or "GMOS-06 anywhere?

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    daddyruiz820 is offline Cadillac Owners Member
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    Yes other car was exactly same year and model.

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    @moistcabbage no I don't see that anywhere. What exactly is that so I know what I'm talking about when I talk to these guys.

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    MoistCabbage's Avatar
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    Your original HU was part of the anti theft system and data serial bus. The module allows everything to continue to "talk to one another" even though the HU is no longer there. Without it (or with a bad install/wrong module/faulty module), you'll have all kinds of electrical issues.

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    cadi509's Avatar
    cadi509 is offline Cadillac Owners Connoisseur
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    But did the other car have Bose or non Bose that is the key

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    daddyruiz820 is offline Cadillac Owners Member
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    Not really sure. It was actually STS.

    ----------

    @moistcabbage so I should have them install GMOS? That will make it ok?

  11. #10
    MoistCabbage's Avatar
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    An integration module is required weather the car has Bose or not.

    You need to find out what they installed. You NEED an integration module. The GMOS-06 is the Metra unit, PAC makes one as well.

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    daddyruiz820 is offline Cadillac Owners Member
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    Sounds good. Will look into it in the morning and post back. Thanks to all.

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    vincentm's Avatar
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    Is it
    STS = Bose

    SLS = Base

    ??

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    vincentm's Avatar
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    If they didnt offer or advise having a module be installed, id say might've spliced into the wiring at the rim to bypass the amps.

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    MoistCabbage's Avatar
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    No, many SLSs have the Bose system.

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    Quote Originally Posted by MoistCabbage View Post
    No, many SLSs have the Bose system.
    Ah ok. So the OP might want to pull the top trunk liner to get access to the RIM and inspect the wiring. The C2 connector has the data lines.

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