How to Install an AUX Relay Board on LiftMaster Industrial Operators JDC, JHDC, and TDC

This video demonstrates how ...
This video is intended for demonstration purposes only. The procedures demonstrated should only be performed by trained, professional installers and service technicians. Safe operation and servicing requires that you follow all instructions and safety advisories found in the manual.
To locate a trained, professional installer or service technician go to LiftMaster.com/locate-a-dealer.
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