CONTROL SYSTEM
DIAGNOSTIC CHART
Problem
No Reading On Gauge or Gauge
Is Inaccurate
Gauge Reads Erratic
Binnacle Control Lever Sti /
Inoperative / Stalls When Shi ing
Depth Gauge Inaccurate
Stern Drive Trim Not
Functioning
Steering System Not Functioning
Troubleshooting
Possible Cause
Faulty gauge
Faulty wiring to gauge
Faulty sender
Loose ground or hot wire connection
Shi system bushings and seals broken
Kinked, broken, damaged cable
Friction brake is too tight and must be
loosened
Control box jammed
Blocked transducer sight hole
Bad gauge
Bad transducer
Bad motor in trim control unit
Faulty wiring
Water in bellows / power trim uid
Uneven load
Poorly lubricated steering system
Lack of power steering uid
Kinked, broken, damaged cable
7-5