MerCruiser 350 MAG MPI User Manual

Section 7 - Troubleshooting
90-864195070 JUNE 2007 Page 137
Power Trim Does Not Operate (Motor Does Not Operate)
Possible Cause Remedy
Blown fuse.
Replace fuse. Fuses may be located near the dash
trim switch, at the trim pump, in the positive (red)
power trim battery lead near the battery switch, or a
combination of these.
Loose or dirty electrical connections or damaged
wiring.
Check all associated electrical connections and wires
(especially battery cables). Clean and tighten faulty
connection. Repair or replace wiring.
Power Trim Does Not Operate (Motor Operates But Sterndrive Unit
Does Not Move)
Possible Cause Remedy
Trim pump oil level low. Fill pump with oil.
Drive unit binding in gimbal ring. Check for obstruction.

MerCruiser 350 MAG MPI Specifications

General

Engine Type	V8
Horsepower	300 HP
Ignition System	Electronic ignition
Alternator	65 amp
Compression Ratio	9.4:1
Displacement	5.7L (350 cu in)
Fuel System	Multi-Point Injection (MPI)
Bore x Stroke	4.00" x 3.48" (101.6mm x 88.39mm)