Murphy Swichgage EG21 - Manual (Page 3)

Warranty - A limited warranty on materials and workmanship is given with this FW Murphy product. A copy of the warranty
may be viewed or printed by going to www.fwmurphy.com/support/warranty.htm
Page 3 of 4.
Basic Wiring
WARNING: Disconnect battery negative cable before wiring or
service.
*Yellow wire is optional for gage illumination
and does not need to be connected for gage
to operate.
Sender Wiring
Swichgage Wiring
WARNING: DISCONNECT BATTERY NEGATIVE CABLE BEFORE
WIRING OR SERVICE.
CAUTION: Connecting full Battery potential to the brown wire can
damage the Swichgage. Shutdown circuit is rated for 300 mA
continuous, 900 mA inrush. Circuit rounds out at set point.