![background image](http://html1.mh-extra.com/html/tesla/powerwall-2/powerwall-2_installation-manual_1091230019.webp)
17
Step 5. Wire the Powerwall Units
1. Connect the communication ports of the two Powerwalls by doing the following:
•
Run the provided 5-conductor communication harness between the Powerwall wiring
compartments. The end with the shield/drain wire should be in the second Powerwall.
NOTE: The orange conductor is unused in Powerwall 2 AC installations.
•
Attach the provided Phoenix connector to one end of the harness, and attach the extra
Phoenix connector that came with the Powerwall to the other end of the harness,
according to the following table and diagram.
Figure 23: Communication Connector Wiring
Communication Connector Wiring
Terminal
Connector Terminal Name
Recommended Wire Color
Wire Gauge
1
12V + (Logic +)
Brown
0.2–1.5 mm
2
(24–16 AWG)
2
GND (Logic –)
White
0.2–1.5 mm
2
(24–16 AWG)
3
CAN HI
Blue
0.2–1.5 mm
2
(24–16 AWG)
4
CAN LO
Yellow
0.2–1.5 mm
2
(24–16 AWG)
Cable Shield/Drain Wire
(Terminate at second Powerwall chassis ground lug)