1993 Johnson Evinrude "ET" 60 degrees LV Service Manual, P/N 508286, Page 299Get this manual
Trim Gauge Troubleshooting 1Turn key switch ON and use voltmeter to check for voltage between trim gauge terminals "I" and "G" If voltage, go to Step If no voltage, go to Step 22With key switch ON, check for voltage between trim gauge "G" terminal and V1 If voltage, check condition of accessory harness's purple 16-gauge lead If no voltage, go to Step 33With key switch ON, check for voltage at key switch "A" terminal If voltage, check condition of remote control's purple 16-gauge leads If no voltage, check condition of key switch and motor harness 20-amp fuse4Turn key switch OFF
To avoid immediate meter damage, never apply an ohmmeter to an electrical circuit where voltage is present