Where is the DI cassette on a 1999 9-3?

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Martin Lowe - 06 Dec 2005 20:44 GMT

Hi chaps

I'm thinking of getting a second hand cruise control unit for my year 1999
9-3, but I understand that it will only work if my Saab has a black DI
cassette.

Not being mechanically minded, where would I look for this to see if I have
it or not?

Thanks in anticipation

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Martin

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Dave Hinz - 06 Dec 2005 20:58 GMT

> Hi chaps
>
[quoted text clipped - 3 lines]
> Not being mechanically minded, where would I look for this to see if I have
> it or not?

RIght on top of the engine, it covers up the spark plugs. Assuming the
I-4 engine, it's rectangular, and, well, either red or black.

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news07 - 06 Dec 2005 21:14 GMT

>RIght on top of the engine, it covers up the spark plugs. Assuming the
>I-4 engine, it's rectangular, and, well, either red or black.

Here's a red one as fitted to Trionic 5 engines, black ones go on
Trionic 7 engines (like my 9-5).

http://www.ukcar.com/road_tests/saab/saab-9-3/saab-9-3-engine.jpg

Apparently, you can use the black DI cassettes in place of red ones but
not the other way round!

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Andrew Sinclair http://www.smellycat.org

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Henrik B. - 06 Dec 2005 21:27 GMT

> Hi chaps
>
> I'm thinking of getting a second hand cruise control unit for my year 1999
> 9-3, but I understand that it will only work if my Saab has a black DI
> cassette.

The DI has nothing at all to do with getting a cruise control.

You will however have to tell the Trionic engine management afterwards, that
it now has CC. This can only be done with the Tech-II tester.

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Colin Stamp - 06 Dec 2005 22:21 GMT

>> Hi chaps
>>
[quoted text clipped - 3 lines]
>
>The DI has nothing at all to do with getting a cruise control.

[snip]

I think the colour of the DI cassette is just being used as an easily
checkable way of telling the two engine management systems apart.

Black cassette = Trionic 7 = electronic throttle.
Red cassette = Trionic 5 = cable throttle.

Not sure how foolproof it is though. Were there any Trionic 5s with
electronic throttles but no cruise, or Trionic 7's with cable
throttles, etc?

Cheers,

Colin.

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Henrik B. - 07 Dec 2005 12:45 GMT

>>The DI has nothing at all to do with getting a cruise control.
> [snip]
>
> I think the colour of the DI cassette is just being used as an easily
> checkable way of telling the two engine management systems apart.

Correct.

> Black cassette = Trionic 7 = electronic throttle.
> Red cassette = Trionic 5 = cable throttle.
>
> Not sure how foolproof it is though. Were there any Trionic 5s with
> electronic throttles but no cruise,

Yes!

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Colin Stamp - 07 Dec 2005 18:10 GMT

>>>The DI has nothing at all to do with getting a cruise control.
>> [snip]
[quoted text clipped - 11 lines]
>
>Yes!

We'd better get in touch with the manufacturer - there could be a
market they haven't tapped yet!

Cheers,

Colin.

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