1997 Johnson Evinrude "EU" Electric Outboards Service Manual, P/N 507260, Page 44Get this manual
Speed Control SwitchStandard Foot Control, Except HBF2 Models
To avoid damaging components or troubleshooting equipment, disconnect the battery cables before proceeding1Remove the steering housing cover
2Disconnect the RED 14-Ga, GREEN 18-Ga, and GREENWHITE 18-Ga leads from the steering housing terminal stripsSeparate the switch leads (wires from the foot pedal) from the motor wires
3Use an ohmmeter calibrated on high ohms scale or continuity light to test continuity
4Turn speed control switch to the OFF position
5Connect one meter lead to the RED 16-Galead at terminal "A" on the speed control switchLeave this meter lead connected for all the following tests