Mercury/Mariner 3.0 MPI ECT User Manual

Section 2 - Getting to Know Your Power Package
90-8M0074347 eng OCTOBER 2012 Page 33
The power trim system is protected from overload by a 110‑amp fuse and a 20‑amp spade fuse on the power trim pump. The
trim pump may also have an in‑line circuit protection device in the power trim positive lead near the battery switch or battery
connection.
Power trim fuses
a - 20‑amp spade fuse
b - 110‑amp fuse
The three‑button power trim control panel is further protected by a 20‑amp in‑line fuse.
mc70527-1
Power trim control panel fuse
The MerCathode system has a 5‑amp fuse which connects to the positive (+) terminal on the controller. If the fuse is open, the
system will not operate, resulting in a loss of corrosion protection.
a - MerCathode
b - Red/purple wire
c - 5‑amp fuse
Audio, Visual, and Engine Warning Systems—3.0 MPI ECT
Audio Warning System
IMPORTANT: The audio warning system alerts the operator that a problem has occurred. It does not protect the engine from
damage.
a
b
9208
a
c
50534
b

Mercury/Mariner 3.0 MPI ECT Specifications

General

Brand	Mercury/Mariner
Model	3.0 MPI ECT
Category	Engine
Language	English