# What's this cable??

**URL:** <https://forums.speedlife.net/t/whats-this-cable/11458>\
**Category:** NYSpeed Automotive\
**Created:** [April 30, 2006, 8:43am UTC](https://forums.speedlife.net/t/whats-this-cable/11458 "2006-04-30T08:43:44Z")\
**Posts on this page:** 5\
**Page:** 2

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**Author:** ![Minglor](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/minglor/32/7373_2.png) [@Minglor](https://forums.speedlife.net/u/Minglor)\
**Post date:** [May 1, 2006, 8:16am UTC](https://forums.speedlife.net/t/whats-this-cable/11458/21 "2006-05-01T08:16:37Z")

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> [@Zer0DazE](#):
>
> is your APC plugged in?
> 
> if your boost gauge is only going to mid yellow, then thats it.

mmm base boost  
that how I check if the wastegates working  
but it is plugged in  
the apc is mounted on the radiator  
and has three hoses that run to it (it is plugged in just not shown in pictures due to the fact the car is only half back together)

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**Author:** ![Zer0DazE](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/zer0daze/32/7624_2.png) [@Zer0DazE](https://forums.speedlife.net/u/Zer0DazE)\
**Post date:** [May 1, 2006, 8:33am UTC](https://forums.speedlife.net/t/whats-this-cable/11458/22 "2006-05-01T08:33:06Z")

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> [@Minglor](#):
>
> mmm base boost  
> that how I check if the wastegates working  
> but it is plugged in  
> the apc is mounted on the radiator  
> and has three hoses that run to it (it is plugged in just not shown in pictures due to the fact the car is only half back together)

thats just the solonoid, there is controller for that. your cars older right, as in not T5? i am pretty sure you have a seperate box for the APC. its under the seat or kick panel or something.

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**Author:** ![Minglor](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/minglor/32/7373_2.png) [@Minglor](https://forums.speedlife.net/u/Minglor)\
**Post date:** [May 1, 2006, 8:41am UTC](https://forums.speedlife.net/t/whats-this-cable/11458/23 "2006-05-01T08:41:04Z")

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> [@Zer0DazE](#):
>
> thats just the solonoid, there is controller for that. your cars older right, as in not T5? i am pretty sure you have a seperate box for the APC. its under the seat or kick panel or something.

Under the seat I believe (i would have to double check the saab site as I havent sought it out yet)  
And the APC is plugged in  
When I disconnect the solonoid I only get base boost  
and with it plugged in I tend to overboost (vaccum leak/bad solonoid)  
I think it might be a bit of both

I thought you meant that plug would run to the solonoid (it does have one)

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**Author:** ![Zer0DazE](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/zer0daze/32/7624_2.png) [@Zer0DazE](https://forums.speedlife.net/u/Zer0DazE)\
**Post date:** [May 1, 2006, 10:07am UTC](https://forums.speedlife.net/t/whats-this-cable/11458/24 "2006-05-01T10:07:03Z")

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then it must be for the canuter valve

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**Author:** ![Dr.Stevil](https://avatars.discourse-cdn.com/v4/letter/d/da6949/32.png) [@Dr.Stevil](https://forums.speedlife.net/u/Dr.Stevil)\
**Post date:** [May 1, 2006, 10:32am UTC](https://forums.speedlife.net/t/whats-this-cable/11458/25 "2006-05-01T10:32:31Z")

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possibly diagnostic link/harness?

either that or I’m gonna guess something with alarm

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