1996 Johnson/Evinrude Outboards 50 thru 70 3-Cylinder Service Manual, Page 272Get this manual
Circuit Verification, OMC Tester, PIN 437274 Verify the condition of the boat modular wiring system using ONIC Tester, PIN 437274Power to the tester is supplied by: 110 VAC adapter supplied with the tester
Internal batteries (two rechargeable 6-volt batteries)To recharge batteries, move tester power switch to OFF position and plug in A.Cadapter
circuitry in the tester is protected from an overload condition by circuit breaker
rn Verify harness andoftester harnessconnectors of the tester condition terminals in both the instrument Then, connect
harness to engine end of the instrument harness
IJJ Turn the tester ON for all testsThese tests must be performed in sequence and as complete procedure to ensure that the entire system is verifiedTrim Switch Function