Switching the Supply is one of many water-related quests to complete in ARC Raiders, and this one takes place on the Spaceport map.
Switching the Supply begins after you obtain it from Celeste. The quest involves turning on a valve in the tunnels of Spaceport. The location of the valve can be pretty confusing, and this guide will make it easy for you to finish the tasks.
ARC Raiders Switching the Supply quest walkthrough
The Switching the Supply quest can be broken down into the following parts.
- Find the tunnels under the Spaceport
- Find and turn the valve in the tunnels under Spaceport
Our first task is to find the tunnels that run under the Spaceport map. There are multiple ways of entering the tunnels. I have marked the entrance from where it will take the least amount of time for you to reach the valve.
You’ll find that a part of the tunnel’s upper surface has caved in at the spot that I have marked above. The Spaceport tower will be to your exact left, and you can use the opening to get down into the tunnel. Once done, turn back, and the valve will be to your right on the wall.

Go close to the valve, and you’ll be able to interact with it. The valve is hard to miss as it’s highlighted by a gas lamp on the wall. Switching the Supply doesn’t require a successful extraction. Just speak with Celeste when you’re back in Speranza, and you’ll be able to complete the quest.
All Switching the Supply quest rewards in ARC Raiders
Here’s the complete list of rewards you get from completing the Switching the Supply quest.
If you’re close to approaching the endgame quests, try completing Power Out and Armored Transports for more rewards.
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