1997 Johnson Evinrude "EU" Accessories Service Manual, P/N 507270, Page 198Get this manual
Circuit Verification, OMC Tester, PIN 437274 Verify the condition of the boat modular wiring system using CIVIC 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
m Verify harness andoftester harnessconnectors of the tester condition terminals in both the instrument Then, connect
harness to engine end of the instrument harnessTurn the tester ON for all tests