
Tachometer to 2” 
Gauge Connection 
 
PJ0018 
 
Note: To help reduce 
moisture 
in the gauges, be sure to 
install 
plug PJ0018 in all open 
connectors 
2" Gauges 
HN0503 
From 
Tachometer 
4- pin connector 
Pin A Red 
Pin B White 
Pin C Green 
Pin D Black & Sheild 
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