Mercury D4.2L D-Tronic Service Manual

WIRING DIAGRAMS
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 4E-25
Quicksilver Primary Instrumentation Wiring - Page 4 Of 4
Later Model D2.8L D-Tronic and D4.2L D-Tronic Harness - Deutsch Connector
1-Voltmeter Gauge
2-Tachometer Gauge
3-Water Temperature Gauge
4-Oil Pressure Gauge
5-Wires Not Used On This Model
6-Engine System Monitor Panel
7-Malfunction Indicator Lamp (Check Engine)
8-Coolant High Temperature
9-Oil Pressure Warning Lamp / Low Gear Lube Monitor Level Lamp
10 - Charge Indicator Lamp
11 - Preheat Indicator Lamp
12 - Panel Lights/Audio Warning Test Switch
13 - Key Switch
14 - Neutral Start Safety Circuit - Refer To Transmission Neutral Start Safety Switch
Circuit On Inboard Models
15 - Spare Wires (Optional Hour Meter Gauge)
16 - Audio Warning Horn - Oil
17 - Audio Warning Horn - Temperature
18 - Instrument Harness Connector (21-Pin Deutscht)
19 - Fuel Gauge (Optional)
20 - Connector With Relay (If Second Station Equipped)
21 - Connector Jumper (If Single Station Only)
22 - 20 Amp Fuse
23 - Audio Warning Delay Relay (During Pre-Heat)
24 - Diode Pack
1.
Keep wires separated. Not used on this model. Tape each wire separately with
at least two layers of electrical tape.
2.
Spare wire.
INSTRUMENT HARNESS CONNECTOR
NOTE: Refer to Item Number 18 from preceding page.
Terminal
Letter
Wire Color
Code
Terminal
Letter
Wire Color
Code
Terminal
Letter
Wire Color
Code
A YEL/RED H TAN R YEL/WHT
B RED J LT BLU S ORN
C TAN/BLK K BLU/TAN T BRN/WHT
D BLK L BLK/YEL U (NOT USED)
E GRN/RED M YEL V (NOT USED)
F TAN/BLK N PPL/ORN X RED/YEL
G PPL P GRY W BRN

Mercury D4.2L D-Tronic Specifications

General

Brand	Mercury
Model	D4.2L D-Tronic
Category	Engine
Language	English