1993 Johnson Evinrude "ET" Electric Outboards Service Manual, P/N 508280, Page 139Get this manual
1224 Volt Switch Service24 Volt Models Removal [[] 1Remove the rubber boot
2Remove the switch nut
[]] 3Unsolder the electrical wires from the switchInstallation []] 1Solder wires to switchThe speed control red wire to the center terminal and the battery red wire to the bottom terminalUse diagram at end of section for routing
2Install switch in the foot pedal baseThe white wire must be toward the top of the pedal base3Install knurled nut and tighten securelyIf switch is still loose in base, loosen knurled (outside) nut, turn inside "back-up" nut out turn, and retighten knurled nut