1999 "EE" Evinrude 70HP 4-Stroke Service Manual, P/N 787023, Page 51Get this manual
30A Fuse: This fuse protects most major components on the engine and dash such as the PTT circuit, rectifier regulator, ECU main relay, and the key switchIt's located on the top right of the electric parts holderOne spare fuse is included in the fuse box
RectifierRegulator
[] The rectifierregulator assembly consists of an HIC (Hybrid Integrated Circuit), diodes, etcIt's on the starboard side of the cylinder block, behind the electric parts holder next to the exhaust manifoldIt's air cooled, not water cooledRegulated voltage is 15.0 0.5 volts
[] The stator charges the battery and provides voltage for all engine electrical needsThe ignition system is battery powered, solid state, full transistor type Maximum output is approx21 amps (300 watts)Starter Motor Relay
[] The starter motor relay is on the bottom right side inside the electric parts holder, under the two PTIT relaysIt's key switch actuated, and its only function is to crank the engine48344
Engine Control Components