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Discussion Starter #1
looking for a place to source Vacuum boost harness. GM part 12554090. Discontinued by GM.
Any ideas?
 

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looking for a place to source Vacuum boost harness. GM part 12554090. Discontinued by GM.
Any ideas?
Welcome to DieselPlace
You can use rubber vacuum line in place of the OEM vacuum lines.
 

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thanks! ideas on connecting to the solenoid?
Connect the hose straight to the solenoid. Take off the OEM plastic vacuum hose from the Vacuum Actuator located on the Turbo. Cut off the larger end and take it to your local auto parts store and ask the staff for vacuum line in that size.
 

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1995 GMC Suburban
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There is nothing special about the vacuum tube/harness in this truck.
They will crumple at this age.
 

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Discussion Starter #7
yep. pretty brittle. I was looking for vacuum leak and made a huge one.
 

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I put a TurboMaster on my truck so I don't need those vacuum lines anymore.
 
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