1968 Evinrude Starflite 100 HP outboards Service Manual, Page 93Get this manual
cConnect voltmeter or (test light) between the forward (green lead) knife terminal and groundHave an assistant operate the forward remote control, at least to 10 timesThe light or meter should indicate positive on-off operation ofthe switchRepeat for the reverse (blue lead) terminalSee Figure 8-5 NOTE Turn ignition key to ON positionDo not start motor to make the above test