Murphy Swichgage EG21 Series Installation Manual Download 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. 

 

 

Reviews: