a yellow or amber color but may be any color designated to communicate the appropriate warning the alarm 36 b generates an audible warning of about seventy two decibels or greater the other side of the first float switch 42 is connected by a primary conductor 48 which is in turn connected to a device control switch 50 and a system relay 52 in this illustration the system switch 50 is the on off switch for the system power source not shown which draws on the fluid in the reservoir 18 a person skilled in the art will realize that the switch 50 may comprise an on off switch for any device or machine that may draw fluid from a reservoir when the switch 50 is in the off open position as shown electricity is not supplied to the system when the switch 50 is in the on closed position electricity is supplied from the ignition through the switch 50 to the system the second float switch 44 is configured for a default open position as shown when the second float 24 is in the lower position one side of the second float switch 44 connects to the same primary conductor 48 that connects the first float switch 42 to the switch 50 the other side of the second float switch 44 is connected by a second conductor 54 to the system relay 52 the system relay 52 has four main.