Note: You're going to need 4 players.

As the Tranzit begins on the bus depot, all four players are needed to build a turbine (all 4 of them). Collect all the parts and use them to build it. Before you leave, you are going to need an EMP grenade that will come handy at the end. You can have one from the mystery box. Yes, its luck dependent.

After you have the grenade, take the bus to the power station (third stop). Leave the bus and open the door to get to the power station below. Here, you need to turn on the power (you need to find a zombie arm, a circuit board and the lever).

After you turn on the power, now is the time that you start following the voice. When you hear the voice, you need to turn off the power through the level. The green lights activated after turning on the power are the teleporting points you can use to move around.

Your next step is to find the Pylon hidden in the smoke in between the farm and the power station. Dont take the bus this time rather go on foot. You will be able to spot a large structure in the cornfields.

Here, you need to take care of the zombies until the electric boss appears. You need to set-up two turbines below the pylon and wait for the voice to say kill the electric zombie. Keep in mind that you should not shoot it rather use the EMP grenade you have to take him out. You can also knife him multiple times to kill it.

After the electric undead has been dealt with, two of the players should stay at their turbines while the other two should head to the green lights (teleporting points) at the Diner and the Bank Area.

After these two players place their turbines there, Achievement Unlocked!