As far as I know, no you can't - that line is connected back to the EDS. But, having said that, and having a few whiskeys, that shouldn't be a problem. Except, it introduces another point of failure. And you don't need to. There is another hole right next to that one with a standard NPT thread.

I used a standard compression fitting (1/4" I think) from lowes and connected it back to the wastegate actuator. Used a compression fitting so it wouldn't come loose. And used Viton hosing becuase it can take some heat, but I'm sure there are better hoses to use. The point here is to make sure the hose between the actuator and the actual pressure is not interrupted so you don't get overboost.

Anybody know a good hose to use? My only worry is that this system has a single point of failure and is non-failsafe. Anybody else a worry wart?

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1983 240D Silver/Blue "Sadie", unknown miles. 100k miles on WVO single tank, converted to 2 tank about 10k miles ago, FPHE, Injector Heaters, Aux Fuel pump. Alcohol/Water injection. Frantz oil bypass filter
1992 300D 2.5 Turbo Green/Tan "Jade" 267K miles Stock.
1992 300D 2.5 tan/tan "Rocky" on 2 tank WVO. Pressure actuated Turbo "rat's nest" surgery completed. 197k miles