Section 5 - Maintenance
Page 88 90-8M0069751 eng APRIL 2012
Alpha Sterndrive Continuity Circuit Inspection
The transom assembly and sterndrive unit are equipped with ground‑circuit wires to ensure good electrical continuity between
the engine, transom assembly, and sterndrive components. Good continuity to a ground is essential for the anode and
MerCathode system to function most effectively.
1. Inspect the steering lever ground wire for loose connections, broken connectors, or frayed wiring.
2. Inspect the inner transom plate ground wire for loose connections, broken connectors, or frayed wiring.
3. Inspect the gimbal housing ground wires for loose connections, broken connectors, or frayed wiring.
4. Inspect the flywheel housing grounding stud, ground wire, and the inner transom plate grounding screw for loose
connections, broken connectors, or frayed wiring.
Continuity Circuit—Bravo Sterndrive
The transom assembly and sterndrive unit are equipped with ground‑circuit wires to ensure good electrical continuity between
the engine, transom assembly, and sterndrive components. Good continuity to a ground is essential for the anode and
MerCathode system to function most effectively.
1. Inspect the steering lever ground wire for loose connections, broken connectors, or frayed wiring.
a - Steering lever ground wire
2. Inspect the inner transom plate ground wire for loose connections, broken connectors, or frayed wiring.
3. Inspect the driveshaft housing–to–gear housing ground plate inside the anode cavity for a loose or faulty connection.
a - Inner transom plate
ground wire
b - Ground plate (inside
anode cavity)
7004
a
b
7005
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