Mercury VesselView 903 - User Manual

90-8M0129930 eng MAY 2017 © 2017 Mercury Marine Page 1 / 5
VESSELVIEW 903
IMPORTANT: This document guides our dealers, boatbuilders, and company service personnel in the proper installation or
service of our products. If you have not been trained in the recommended servicing or installation procedures for these or
similar Mercury Marine products, have the work performed by an authorized Mercury Marine dealer technician. Improper
installation or servicing of the Mercury product could result in damage to the product or personal injury to those installing or
operating the product. Always refer to the appropriate Mercury Marine service manual for component removal and installation
instructions.
NOTE: After completing installation, place these instructions with the product for the owner's future use.
Components Contained in Kit
63125
Qty. Description
1 VesselView multifunction display
1 Sealing gasket
4 Mounting screws—#4 supplied
1 Mounting screw alignment tool
1 NMEA® 2000 T‑connector
1 VesselView power harness
1 NMEA 2000 extension harness
1 Bezel
1 Sun cover
1 Template
1 Quick Start guide
1 Operation manual
Notice to Installer
IMPORTANT: The documentation must be consulted in all cases where the symbol
!
, is marked.
Safety Requirements
IMPORTANT:
!
Always refer to the Operation Manual included with each engine for other important safety information.
Water depth may vary in identical locations at different times of the day or year. As operator, always monitor water depth.
Reduce speed and proceed with caution whenever you're driving a boat in shallow water or in areas where the waters are
suspected of having underwater obstacles that could be struck by the underwater drive components, or the boat bottom. Do
not use mobile devices as the sole source of navigation, or engine and vessel data.

Mercury VesselView 903 Specifications

General

Brand	Mercury
Model	VesselView 903
Category	Monitor
Language	English

Summary

Cutting the Instrument Panel

Preparing the Mounting Location

Steps to prepare the boat's instrument panel for VesselView installation, including checking clearance and surface flatness.

Cutting the Panel

Instructions for cutting the instrument panel using a template and specifying pilot hole sizes for different materials.

Securing VesselView to the Instrument Panel

Mounting and Bezel Installation

Details on installing the sealing gasket, securing the VesselView with screws using an alignment tool, and snapping on the bezel.

DTS Wiring Guidelines

DTS System Wiring Precautions

Warnings against splicing/probing DTS wiring, connecting unauthorized equipment, or tapping for power.

Wiring Guidelines for Electrical Boat Accessories

Accessory Wiring Best Practices

Guidance on avoiding voltage drop and system damage by using a separate switched 12-volt source for accessories.

Harness Installation Guidelines

Harness Routing and Securing

Instructions for routing, securing harnesses with clamps/ties, and ensuring tight, sealed connections.

VesselView 903 Connections

NMEA 2000 and Power Connections

Illustrates the NMEA 2000 T-connector setup, power sources, and optional connections for the VesselView 903.