Installation manual

1-33
90-898305
Installing Standard Water Pressure Gauge to Digital
Optimax Engines
1. Remove the RED plug P/N 22-859732 from the connector at the end of the
water pressure hose (gray color). This will allow a direct connection of later
style Mercury water pressure gauge.
NOTE: If older Mercury or after market water pressure gauge is used, barb
fitting adapter P/N 22-859731 must be installed into the coupler.
SmartCraft Boat Sensor Harness 84-865891T03
Notes
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
_______________________
34