Trim Limit Switch Connection; Transom Harness - Mercury MerCruiser 3.0 MPI Installation Manual

SECTION - 6
2. Connect power trim pump control harness to trim pump.
a

Trim Limit Switch Connection

1. Connect the trim limit switch wires and secure with a wire retainer and tie strap.

Transom Harness

The Transom harness connects to the engine harness and the following transom connections;
engine to transom ground, analog trim, and the MerCathode. Wires are color coded and
connections are tagged for easy installation.
IMPORTANT: Secure ground ring terminal (black wire) to screw on port side of transom plate.
1. Ensure that the transom harness ground ring is secured with the continuity circuit wire on
transom plate.
2. If equipped, connect the transom harness MerCathode connector to the MerCathode
connector from transom.
3. Analog trim: Connect transom harness analog connector to the analog connector from
transom.
90-899883183 DECEMBER 2007
b
a - Control harness
a - Fill cap assembly (top and
underneath side views)
a - Trim limit switch wires
DRIVE SYSTEM AND ENGINE INSTALLATION
a
b - Trim pump connector
7701
b - Fill cap on trim pump reservoir
a
b
7700
b - Wire retainer and cable tie
7699
b
Page 13 / 54