Continuity Wire Connection; Electrical Connections; Instrumentation Connections - Mercury MerCruiser 3.0 MPI Installation Manual

Table of Contents

Advertisement

SECTION - 6
3. Connect the following:

CONTINUITY WIRE CONNECTION

IMPORTANT: The transom continuity circut is incorporated into the transom harness.

Electrical Connections

NOTE: Refer to Section 7 for additional electrical information.
To avoid damage to the electrical system, observe the following when working on or around the
electrical harness, or when adding other electrical accessories:
Do not icorporate accessories into the engine harness.
Do not probe or puncture wires for testing.
Do not reverse the battery leads.
Do not splice wires into the harness.
Do not attempt diagnostics without the proper, approved service tools.
IMPORTANT: Route and secure all wires and hoses to avoid contact with hot spots and moving
parts.
Tube Ref No.

INSTRUMENTATION CONNECTIONS

We recommend using Quicksilver Instrumentation and Wiring Harnesses. On dual station
applications, oil pressure and water temperature senders on the engine must be changed. Refer
to the appropriate Mercury Precision Parts Accessories Guide for assistance.
The four basic gauges that must be used with the engine are:
Tachometer
Oil pressure
Water temperature
Voltmeter
NOTE: An accessory kit is available to provide accessory power up to 40 amps.
90-899883183 DECEMBER 2007
a
b
a -
14‑pin harness connector
b -
Transom harness connector
c -
Paddle wheel and tank level
connector
d -
Diagnostic connector
Description
Liquid Neoprene
25
DRIVE SYSTEM AND ENGINE INSTALLATION
g
c
d e
f
e -
f -
g -
Where Used
All electrical connections
32633
Power harness connector
Fuses
Fuses
92- 25711 3
Part No.
Page 31 / 54

Advertisement

Table of Contents
loading

Table of Contents