1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 263Get this manual

1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 263

Tachometer Circuit Tests Perform the following tests if the tachometer does not operate INote The tachometer circuit is driven
harness gray lead and black lead at the dash If voltmeter shows volt, go to Step If voltmeter shows any voltage, replace
the rectifierregulator4With the engine running at 1000 RPM, check for voltage between the instrument harness gray lead and
black lead at the dash If voltmeter shows volt, go to Step If voltmeter shows less than volts, leave the voltmeter connected
to the boat harness gray lead and go to Step If voltmeter shows more than volts, replace the tachometer5Disconnect the 2-pin
connector between engine harness and rectifierregulatorWith the engine NOT running and the key switch ON, check for battery
voltage at the engine end of 2-pin connector purple lead If voltmeter shows battery voltage, replace the rectifierregulator
If voltmeter shows NO battery voltage, check instrument harness and engine harness purple and purplered circuits, engine