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Mercury D4.2L D-Tronic Service Manual

Mercury D4.2L D-Tronic
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WIRING DIAGRAMS
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 4E-23
Quicksilver Primary Instrumentation Wiring - Page 2 of 4
1-Oil Pressure Gauge
2-Tachometer Gauge
3-Wires Not Used On This Model
4-Engine Coolant Temperature Gauge
5-Voltmeter Gauge
6-Cruise Log (Engine Hour Meter)
7-Engine System Monitor Panel
a-Preheat Indicator Lamp
b-Charge Indicator Lamp
c-Oil Pressure Warning Lamp / Low Gear Lube Monitor Level Lamp
d-Coolant High Temperature Lamp
e-Malfunction Indicator Lamp
8-Panel Lights/Audio Warning Test Switch
9-Key Switch
10 - 20 Amp Fuse
11 - Audio Warning Horns - Oil Pressure and Engine Coolant Temperature
12 - Neutral Start Safety Circuit - Refer To Transmission Neutral Start Safety Switch
Circuit On Inboard Models
13 - Instrument Harness Connector (Standard)
1.
Keep wires separated. Not used on this model. Tape each wire separately with
at least two layers of electrical tape.
The following circuits on some very early instrumentation harnesses may have alternate
color codes as follows.
Ignition (+) - PINK
Positive(+) - PINK
Key Switch B Terminal - ORANGE
Key Switch I Terminal - PINK
Key Switch S Terminal - YELLOW
Sender Coolant Temperature - BLUE or GRAY
Tachometer Signal - BROWN/BLACK

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Mercury D4.2L D-Tronic Specifications

General IconGeneral
BrandMercury
ModelD4.2L D-Tronic
CategoryEngine
LanguageEnglish

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