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86 Firebird - Underdash vacuum line/harness - where does it connect?

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Old Jun 23, 2013 | 11:07 PM
  #1  
Corellian Vette's Avatar
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From: Woodinville, WA
Car: 1986 Firebird
Engine: 305
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Axle/Gears: 3.42
86 Firebird - Underdash vacuum line/harness - where does it connect?

Hey folks!

Doing some under-dash cleanup this weekend to fix a squeaky clutch pedal, and there was a loose hose /harness with a clamp that I can't figure out where it's mounted.

I assume this hose is to release the cruise control, and you'll notice there is a hose clamp there that at some point was removed from it's proper location.

Pictures attached

Can anyone assist where that hose clamp is supposed to connect?

Thanks!
Attached Thumbnails 86 Firebird - Underdash vacuum line/harness - where does it connect?-wp_20130623_001.jpg   86 Firebird - Underdash vacuum line/harness - where does it connect?-wp_20130623_002.jpg  
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Old Jun 24, 2013 | 03:50 PM
  #2  
mantaguy's Avatar
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Car: 1 Owner 1986 TA with a WS6 package
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Axle/Gears: 277 Posi Speedo
Re: 86 Firebird - Underdash vacuum line/harness - where does it connect?

I think that goes to one of your brake peddle switch's,it's some kind of vacuum line for sure,might be for the Cruise Control Unit.You should have two switch's on the brake,side by side.
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Old Jun 25, 2013 | 03:30 PM
  #3  
Corellian Vette's Avatar
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From: Woodinville, WA
Car: 1986 Firebird
Engine: 305
Transmission: T5
Axle/Gears: 3.42
Re: 86 Firebird - Underdash vacuum line/harness - where does it connect?

Thanks Manta

I understand that part. I'm just trying to figure out what POST is used to connect that hose clamp. I can't see where it's supposed to go from the factory..
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Old Jun 25, 2013 | 04:17 PM
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From: Mantua NJ
Car: 1 Owner 1986 TA with a WS6 package
Engine: 5.0 EFI
Transmission: THM700R4
Axle/Gears: 277 Posi Speedo
Re: 86 Firebird - Underdash vacuum line/harness - where does it connect?


Maybe this will help you out,
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Old Jun 29, 2013 | 12:58 AM
  #5  
Corellian Vette's Avatar
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Joined: Jun 2013
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From: Woodinville, WA
Car: 1986 Firebird
Engine: 305
Transmission: T5
Axle/Gears: 3.42
Re: 86 Firebird - Underdash vacuum line/harness - where does it connect?

Thanks!
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