1997 Johnson Evinrude "EU" 40 thru 55 2-Cylinder Service Manual, P/N 507265, Page 300Get this manual
Circuit Verification, OMC Tester, PIN 437274 Verify the condition of the boat modular wiring system using OMC 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
rn Verify condition of terminals Then, connect of both theharness in connectors instrument harness and tester harnessthe tester
to engine end of the instrument harness
Turn the tester ON for all tests
Important These tests must be performed in sequence and as