1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 271Get this manual

1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 271

Circuit Verification, Instrument Harness To make sure the OMC System CheckTM engine monitor can alert the operator during
OFFDisconnect the gauge 8-pin connector and turn the key switch ONTest for battery voltage between instrument harness purple
wire, terminal"1", and black wire, terminal "2" If battery voltage is present, replace the gauge If no battery voltage, check
condition of the instrument harness, key switch, and engine 20-amp fuse3If the lights worked, but the warning horn did not
sound for 112 second, turn the key switch OFFDisconnect the warning horn 2-pin connectorSubstitute known good warning hornTurn
the key switch ON Ifthe substitute horn beeps, the original horn is defective and must be replaced If the substitute horn
does not beep, check for battery voltage at the instrument harness 2-pin connector, terminal "2", purple wire with the key
switch ONAlso, check the tanblue wire for an open between the instrument harness 8-pin connector and 2-pin connector If battery