1998 Johnson Evinrude EC 5 thru 15 HP Four Stroke Service Manual, Page 333Get this manual
Circuit Verification, OMC Tester, PIN 437274 Verify the condition of the boat modular wiring system using OVIC 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[] The circuitry in the tester is protected from an overload condition by circuit breaker
Verify condition of terminals in connectors of both the instrument harness and tester harnessThen, connect the tester harness to engine end of the instrument harness
[] Turn the tester ON for all tests
Important These tests must be performed in sequence and as