1988 Johnson Evinrude CC 60 thru 75 outboards Service Manual, Page 323Get this manual
8 Push trim switch UP and check for voltage at Point V6 If voltage, go to Step If no voltage, check condition of connector and trim switch9Push trim switch UP and check for voltage at Point V7 If voltage, go to Step 10 If no voltage, check condition of relayRefer to Relay Ohmmeter Tests, this Section10Push trim switch UP and check for voltage at connector C2 If voltage service trim motor If no voltage, check trim harness Blue lead 10- 18