Chamberlain C203 Owner's Manual page 26

1
Pre-installed
wires
Safety reversing
sensor wires
3
Safety reversing
sensor wires
White
White/Black
4
Yellow
Purple
7/16" (11 mm)
2
7/16" (11 mm)
Wire nuts (not provided)
Pre-installed wires
Yellow (for example)
Purple (for example)
5
Yellow
To insert or remove the wires from the terminal,
push in the tab with a screwdriver tip.
Purple