1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, Service Repair Manual P/N 507875, Page 131Get this manual

1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, Service Repair Manual P/N 507875, Page 131

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Blocking Diode
rv 3 Calibrate ohmmeter on Rx100 scale pin Note readingand connect between either tan lead and engine harness tan
4 Reverse meter connections or press "polarity" buttonNote