1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 297Get this manual

1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 297

Circuit Verification, Instrument Harness To make sure the OVIC System CheckTM engine monitor can alert the operator during
turn the key switch OFFgauge lights not turn Disconnect 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 12 second, turn the key switch OFFDisconnect the warning horn 2-pin connectorSubstitute known good
warning hornTurn the key switch ON If the 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 voltage is present at the purple wire and the tanblue wire is not open, replace System Check gauge4Turn