Vacuum thingymabob

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Joined
Aug 26, 2017
Threads
54
Messages
339
Location
Fountain, CO
Hey everyone,

I’m in the process of cleaning up my vacuum lines on my 1hdt but for the life of me I can’t figure out what some of these parts in the engine bay are. Can anyone identify this piece?

The line coming straight off top of the injection pump goes straight to it and then the other end nipple on this weird device goes down to the vacuum pump. It also looks like it has 12v going to it? I don’t think this is original and I also believe that I’m missing components found in the 1hdt diagram. Specifically what I believe to be the solenoids as my overboost light is always lit. Any help is appreciated.

Thanks and happy holidays everyone

6692F2CC-AE40-4930-BB20-F4F57636CF29.jpeg
 
mine also has it, and the boost and overboost pressure switches are over by the brake booster
 

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