Garage Door Opener Key Switch
Key switch must be hardwired to garage door opener. Find suitable location and drill 7/8″ diameter hole to a depth of at least 2 5/8. Drill 1/4″ diameter hole, as required, to accommodate lead-in wire. Opener is activated by inserting key and turning. Key is spring-loaded to return to center of position for key removal. Contacts are completely isolated from key and cylinder assembly.