1998 Johnson Evinrude "EC" 150, 175 FFI Service Manual, P/N 520211, Page 45Get this manual
Main Power Relay
W The main power relay is located at the starboard rear of the
powerheadIt supplies switched 12V to the Power Distribution Panel, and maintains the circuit necessary to charge the batteryPower Distribution Panel]The Power Distribution Panel is located on the upper starboard side of the powerheadIt receives battery 12V from the solenoid, 26V from the rectifierregulator, and switched 12V from the main power relayIt's responsible for the operation and protection of virtually all FFI engine circuitsIt mounts four 40 amp relays and seven automotive style mini-fusesIt's covered and sealed to prevent water damage[] The Panel relays and fuses function as follows:
Oil InjectorRegulator 26V 10 Amp Fuel Injectors No.1 andRegulator 26V 10 Amp Fuel Injectors No.3 andRegulator 26V 10 Amp Ignition CircuitRegulator 26V 10 Amp Key Switch, T'nT, Accy, and ECUBattery 12V 10 Amp