Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 31Get this manual
Overheat Indicator (Red) Test REMOTE CONTROL E Disconnect the thermo sensor connector and connect an 100 fl resistance between the terminals (Greenlblack and Redlblue)Start the engine and check the Indicator ON
OK, test is complete
lndicator OFFCheck the indicat Normal