Honda BF35A-BF45A Outboard Motors Shop Manual., Page 207Get this manual
REMOTE CHOKE SOLENOID (Remote control type only) Measure the resistance between the terminals
Resistance
OIL PRESSURE SWITCH
1) Remove the oil pressure switch wire[
1 PRESSURE SWITCH I
2)Attach the tester leads the terminal joint and switch body
and check for continuityThere should be continuityPULSER COIL
It is not necessary remove the coil:
IL PRESSURE SWITCH WIRE
Remove the engine cover and disconnect the pulser coil connector from the right side of the engine (P.6-3)Attach the tester lead each terminal and measure the resistance between the terminals