CONTROL SYSTEM
DIAGNOSTIC CHART
Problem Possible Cause
No Reading On Gauge or Gauge
Is Inaccurate
Faulty gauge
Faulty wiring to gauge
Faulty sender
Gauge Reads Erratic Loose ground or hot wire connection
Binnacle Control Lever Stiff
/ Inoperative / Stalls When
Shifting
Shift system bushings and seals broken
Kinked, broken, damaged cable
Friction brake is too tight and must be
loosened
Control box jammed
Depth Gauge Inaccurate Blocked transducer sight hole
Bad gauge
Bad transducer
Stern Drive Trim Not
Functioning
Bad motor in trim control unit
Faulty wiring
Water in bellows / power trim fl uid
Steering System Not Functioning Uneven load
Poorly lubricated steering system
Lack of power steering fl uid
Kinked, broken, damaged cable
8-5
Troubleshooting
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