Troubleshooting Chart
Problem: Warning Horn Does Not Sound When Ignition Key is Turned to “ON” Position.
Possible Cause Corrective Action
Horn malfunction or open (tan/blue) wire between horn and
engine.
Disconnect tan/blue warning module lead (engine over-
heat sensor) located in cylinder head. Use a jumper wire
to ground tan/blue warning module lead to engine ground.
Warning horn should sound. If not, check tan/blue wiring
between engine and warning horn for open circuit. Check
horn.
Faulty Warning Module Check if all warning module leads are connected
Using incorrect side mount remote control or ignition/
choke assembly.
See info above
Problem: Warning Horn Stays On When Ignition Key is Turned to “ON” Position (Engine Cold).
Possible Cause Corrective Action
Faulty Engine overheat sensor. If warning horn sounds a continuous “beep”, the engine
overheat sensor may be faulty. Disconnect tan/blue over-
heat sensor lead at bullet connection. Turn ignition key to
“ON” position. If horn stops sounding, the engine overheat
sensor is faulty.
Faulty Warning Module Check connections-replace module.
Possible Cause Corrective Action
Problem: Warning Horn Sounds (Intermittent Beep) When Engine is Running and Oil Tank is Full.
Disconnect both low oil sensor leads (blue) at bullet con-
nections. Connect an ohmmeter between sensor leads.
There should be no continuity through sensor. If continuity
exists, sensor is faulty
Defective low oil sensor (located in bottom of oil tank).
If all of the checks are positive, the Warning Module is faulty. Replace Module and re-test.
90-817643R1 DECEMBER 19963D-10 - FUEL SYSTEMS
Required Side Mount Remote Control
or Ignition Key Switch Assembly
Boats Equipped with a Side Mount Remote Control
A Quicksilver Commander Series Side Mount Remote
Control equipped with a warning horn, must be used with
this outboard. This warning horn is necessary for both the
oil injection warning system and the engine overheat warn-
ing system.
Boats Equipped with Panel or Console Mount Remote
Controls
A Quicksilver Ignition Key/Choke Assembly equipped with
a warning horn is necessary for both the oil injection warn-
ing system and the engine overheat warning system.
Oil Injection System
Troubleshooting Chart
Troubleshooting the Oil Injection
System
If a problem occurs with the oil injection system and the
warning horn sounds in a intermittent manner, stop engine
and check if problem is caused by (1) low oil Level, or (2)
a faulty warning sensor of module.
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