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Part 4040: 2003+ Saab 9³ MOST Loopback Connector

This product is designed to enable your 2003, 2004 or 2005 Saab 93 to bypass certain Optical bus modules in your car.

In the O-bus, there are 2 optical fibres connected to each unit (one for incoming data & the other for outgoing).  There are various devices connected in a certain order in the loop.  They are connected serially, one to the next.  Since each unit receives information, and then sends it, if a module is removed the loop is broken.

The devices in the O-bus that are connected are: ICM (Infotainment Control Module, or the radio control panel), EHU (Entertainment Head Unit, the actual radio inside the dashboard), CD Player/changer, Trunk CD Changer/DVD Player, Amp1 (under the driver seat), Amp2 (in the trunk), Communication Unit (for Navigation/Onstar under the parcel shelf).  You may have some or all of these.

Chances are, if you are here, you already know what this will do.  If you remove any of the above modules from your car, they will all cease operation.  While you may think that may not be important, here are some drawbacks:

bulletRadio will not work
bulletCD player will not work
bulletNavigation will not work
bulletOnstar will not work as well as error messages will appear periodically
bulletThe notification tones will not work.  This includes turn signal, parking lamp still on warning, etc.

This device, along with a little "rewiring", can fix that.  Once installed, the modules will again function by providing a continuous unbroken path.

Here's what is included in this kit:

bullet

One (1) piece 2003+ Saab 9³ MOST Loopback Connector,

bulletInstallation instructions for how to install it, also located here,
bulletPart # 4040 currently retails for $9.00, and includes shipping to anywhere in the world.
easily using Paypal (which you may use credit cards with)

...or pay by check/money order by clicking here.

Please review our FAQ and return policy before selecting your product to ensure it is what you are looking for.

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Please note: Before purchasing this product, your Saab dealer may need to change a Tech II feature disabling a specific module on the optical bus.  You can find info here.

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This website & the contents advertised are independently developed products and are not affiliated in any way to Saab Automobile AB.
Last modified: 10/07/07.