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The first challenge in Chapter Four ofThe Expanse: A Telltale Seriesis to open the mining tunnels on Cassiopeia Station. They’re locked by a century-old passcode system, which you’ll need to power on before you can even think about trying to find the correct code.
Related:The Expanse: A Telltale Series - Chapter Three Collectibles Guide
While this is a deceptively simple challenge, it’s easy to overthink it even when the solution is staring you in the face. If the password isn’t quite clicking, you’re not alone. This guide will step you through the entire process of opening the tunnels so that you can continue Drummer’s quest for survival.
How To Turn The Power On
Activating the password console near the mining cart - located near the tunnels that you used in the previous chapter to head toward the tomb - requiressolving a junction box puzzlesimilar to the ones in Chapter Three. The boxes areon the wall behind youafter you first inspect the console.
Float to the upper-right corner of the power grid and connect the boxes in the following sequence:

Just like before, there isno penalty for making an incorrect connectionbesides the inconvenience of having to disconnect the box and try again. Once the power is on,return to the console.
Related:The Expanse: A Telltale Series - How To Find Arlen’s Medicine

What Is The Correct Password?
The password system requires you todraw a shapeby connecting the diamonds shown on the screen. The shape that you need is actually thegreen wires that you just connected on the junction box wall.Starting in the top-right corner, connect the diamonds in the following sequence:
You should end up on the diamondsecond from the bottom on the far left side.When all the requisite connections are made, you’ll be able topull the lever and move the mining cart, opening the way down into the mines.