1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 210Get this manual

1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 210

MOTOR and ELECTRICAL TESTS TRIM PUMP MOTOR TEST
1Disconnect blue-white (motor) wire from termina n

AWARNING
DO NOT perfo rm this ne.r flammabl.s (or exploslves},.1 spark may occur when makIng connectionsRemove pump from boat, It nec.u.ry, before performing t
"Up" solenoid2Connect 12-volt suppl to motor (positive (+) wire to blue-white wi re, and negative (-) wire to motor mounting stud (ground)]Motor shou ld ru n3If motor does not ru n, test ther mal overl oad swi tchRefer toTes ting Therma Overload Switch", followi ngIf thermal overload switch lesls O.K disassemble motor and check componen tsRefer to "Motor Repair ", see Index
THERMAL OVERLOAD SWITCH TEST
IMPORTANT: Ulrlm pump haJUI been operateddo not run pump for approximately one minute

before tel tlng thermal overload switch After thl,

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