1993 Johnson Evinrude "ET" Electric Outboards Service Manual, P/N 508280, Page 42Get this manual
Speed Control SwitchHBF2 Note To avoid damaging components or troubleshooting equipment, disconnect the battery cables before proceeding1Remove speed control switch from foot pedalRefer to Section for disassembly information2Unsolder and remove the RED, GREEN, and GREENWHITE wires from terminals "2" thru "4" of the speed control switch3Use an ohmmeter calibrated on high ohms scale or continuity light to test continuity[}] 4Connect one meter lead to the terminal "A" for all of the following testsWith the switch OFF, the meter must show no continuity between terminal "A" and terminals "2" thru "4"5At no time should the meter show continuity between any terminal and the metal switch case6With the switch at speed 1: