Chamberlain B1381C Owner's Manual page 24

Installation
STEP 13 Wire the Safety Reversing Sensors
If your garage already has wires installed for the safety reversing sensors, proceed to page 25.
OPTION A - INSTALLATION WITHOUT PRE-WIRING
1. Run the wire from both sensors to the garage door opener. Attach the wire to the wall and ceiling with the
staples.
2. Strip 7/16" (11 mm) of insulation from each set of wires. Separate the wires. Twist the white wires
together. Twist the white/black wires together.
3. Insert the white wires into the white terminal on the garage door opener. Insert the white/black wires into
the grey terminal on the garage door opener. To insert or remove the wires from the terminal, push in the
tab with a screwdriver tip.
Insulated Staple (Not Shown)
1
Staple
3
24
HARDWARE
2
7/16" (11 mm)