TROUBLESHOOTING SERVICE MANUAL NUMBER 28
Page 1C-14 90-863160 MAY 2000
Power Trim Pump Motor Runs In The OUT/UP Direction, But Not In The
IN/DOWN Direction
IN/DOWN SOLENOID CLICKS
Cause Special Instructions
Loose or dirty solenoid connections.
Check connections 4 and 5. Clean
and/or tighten as necessary.
Faulty solenoid.
Check for battery voltage at terminal
5 while trimming IN/DOWN. If no
voltage is indicated, replace solenoid.
Faulty IN/DOWN field winding. Replace field and frame assembly.
Power Trim Pump Motor Runs In The IN/DOWN Direction, But Not In The
OUT/UP Direction-Both Trim And Trailer Switches Inoperative-
OUT/UP SOLENOID DOES NOT CLICK
Cause Special Instructions
Loose or dirty solenoid connections.
Check connections 8 and 9. Clean
and/or tighten as necessary.
Open OUT/UP circuit trim control or
pump wiring harness.
Check for battery voltage at terminal
8 while trimming OUT/UP. If no
voltage is indicated, check for a loose
or corroded OUT/UP circuit connection,
blown fuse (if trim control is
equipped), damaged OUT/UP circuit
lead or a faulty OUT/UP trim switch.
Repair or replace as necessary.
Faulty solenoid. Replace solenoid.
Power Trim Pump Motor Runs In The IN/DOWN Direction, But Not In The
OUT/UP Direction-Both Trim And Trailer Switches Inoperative
OUT/UP SOLENOID CLICKS
Cause Special Instructions
Loose or dirty solenoid connections.
Check connections 2 and 3. Clean
and/or tighten as necessary.
Faulty solenoid.
Check for battery voltage at terminal
3 while trimming OUT/UP. If no
voltage is indicated, replace solenoid.
Faulty OUT/UP field winding. Replace solenoid.
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