1990 Johnson Evinrude "ES" 9.9 thru 30 Service Manual, P/N 507871, Page 309Get this manual
Functional Tests ill tests must be performed to ensure that all safety-related
fr' After servicing the remote control, the following static
features are functioning so that sudden loss of control over engine speed or direction will be avoided Emergency ignition cutoff switch Key switch Control handle position Neutral start switch Control cable identification Control handle friction Tri mti It switch
1Disconnect the engine battery cables at the battery2Disconnect the throttle and shift cables from the engine3Disconnect the red ten-way connector at the engine