If wiring the relay remote from the detector use a maximum of 1000 feet of 18awg or larger wire rated at least 300v. Wiring diagram inspection procedure notice.

Download Mack Truck Fuse Panel Diagram
Brk relay wiring diagram. To install this relay to an alarm connect the power wires as listed below. Alarm relay black wire hot black wire white wire neutral white wire orange wire interconnect gray wire. Measure the resistance of the relay. If wiring the relay remote from the alarm use a maximum of 1000 feet 300 meters of 18awg or larger wire rated at least 300v alarm relay black wire hot black wire white wire neutral white wire orange wire interconnect orange wire danger. To install this relay to an alarm connect the power wires as listed below. If wiring the relay remote from the alarm use a maximum of 1000 feet 300 meters of 18awg or larger wire rated at least 300v.
See diagram for connections. Remove the brk relay from the engine room no. If the result is not as specified replace the relay. Fog light relay. It is necessary to register an id code after replacing the tire pressure monitor valve. When alarm is sounded.
120v ac smart relay when connected to brk or first alert alarms this relay is designed to activate an auxiliary device like a bell siren strobe light exhaust fan door closer etc. The relay contacts will activate whenever any interconnected alarm. Relay is intended for use with brk electronics models 4120sb 4120b 4120 4919 5919 5919th and first alert models sa4121b sa4120 and sa4919b. To install this relay to a brk ac smoke or carbon monoxide alarm connect the power wires as listed below. Alarm connection relay black wire hot black wire white wire neutral white wire.