TROUBLESHOOTING
SERVICE MANUAL NUMBER 28
90-863160 MAY 2000 Page 1C-15
Trim Control OUT/UP Trim Switch Inoperative
TRAILER SWITCH OPERATES
Cause Special Instructions
Trim limit switch lead bullet connectors
loose or corroded.
Clean and/or tighten connections 14,
15, 16 and 17 as necessary.
Faulty trim limit switch or leads.
Disconnect trim limit switch leads from
trim harness. Connect a continuity
meter between leads 16 and 17.
Continuity should be indicated with
drive unit in full IN/DOWN position. If
not, check for damaged leads or poor
connections. If this is not the cause,
replace limit switch.
Open trim control OUT/UP circuit.
Check for a loose or corroded OUT/UP
circuit connection, damaged OUT/UP
circuit lead or faulty OUT/UP trim
switch. Repair or replace as necessary.
Trim Control Trailer Switch Inoperative
TRIM OUT/UP SWITCH FUNCTIONS
Cause Special Instructions
Open trim control trailer circuit.
Check for a faulty trailer switch, loose
or corroded connections or damaged
trailer circuit lead.
Trim System Functions While Unattended
Cause Special Instructions
Faulty trim or trailer switch. Replace switch.
Shorted trim pump harness or trim
control harness.
Repair or replace as required.
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