Ecobee ecobee3 lite - Step 9: Disconnect Labeled Wires; Step 10: Connect Wires to PEK

STEP 9
Disconnect the labeled R, Y, G and W wires
from the control board.
Y
G
W
R
Y
W
G
C
R
Y
W
G
C
R
STEP 10
Connect the wires you disconnected from
the control board into their matching gray
terminal blocks on the Power Extender Kit.
TIP:
Press the buttons to insert the wires more easily.
R
G
Y
W
W
G
Y
R