1996 Johnson Evinrude "ED" Electric Outboards Service Manual, P/N 507119, Page 49Get this manual
[] 8With the speed control switch in the highest speed position, connect the ohmmeter between the RED lead terminal "A" on the speed control and the forward reverse switch BLACK 14-Galead from the motor tube: The meter must show continuity If the meter shows no continuity, inspect the motor tube wiring for damageMotor Tube WiringResistorStandard Foot Control, Except HBF2 Models
INote To avoid damaging components or troubleshooting equip-
ment, disconnect the battery cables before proceeding1Remove the steering housing cover
2Turn speed control switch to OFF3Use an ohmmeter calibrated on low ohms scale to test the condition of the resistor assembly and motor tube wiring
4Connect the ohmmeter between the RED 14-Gaand GREEN 18-Galeads: The meter should show 0.17-0.23 ohm resistance If measured resistance is significantly different AND motor does not respond to speed control change, refer to Resistor AssemblyExcept HBF2 in this section