What is this electrical vacuum device?

1980-1986 Datsun 720 forums. All 720-specific topics and discussion can be found here.
spddm0n
Posts: 12
Joined: Wed Aug 13, 2014 9:38 pm
Car: Xterra(s) (multiple), 720 Pickup

What is this electrical vacuum device?

Postby spddm0n » Mon May 06, 2019 11:50 am

Hi all -

I just purchased a 1985 Nissan 720 pickup and I'm working to get all the vacuum lines routed correctly and rebuilding the carburetor in order to pass emissions here, and I can't find any good diagrams to identify this device sitting on top of the inner fender liner (apron) inside the engine compartment, nearly underneath the silver data plate (attached to the passenger-side engine bay sidewall), and sitting on top of a small platform that is bolted to the sidewall.

I've seen a variety of other trucks and photos of other trucks and none of them seem to have this device. I Googled the numbers printed on the side of the electrical device, but nothing conclusive comes up.

Anybody know what this is and what the correct route of the vacuum lines should be?

Thanks!!

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