200/225 OPTIMAX DTS
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IMPORTANT: Correct ignition key switch must be used. If a non-Mercury Marine ignition
key switch is being used, make sure that the ignition switch being used meets the
requirement listed.
IMPORTANT: Current leakage exceeding 5 mA at 12 volts could cause engine to start
unexpectedly.
• Ignition key switch must pass ingress protection testing per IEC IP66 specification
minimum. Switches that do not pass this specification could leak current.
• Switches must contain an emergency stop circuit.
a
B L K / Y E L
B L K
P P L
Y E L / R E D
R E D
P P L
B L K / Y E L
B L K
P P L
Y E L / R E D
R E D
P P L
c
d
e
f
g
3641
/ WHT
h
/ WHT
b
4 Position Key Switch
a - Connector - Packard Metripack
150 Series Sealed™ (6 pin)
b - Ignition switch
c - Crank
d - + 12V
e - Lanyard stop
f - Ground
g - Run
h - Accessory - 4 position key switch
Wiring Accessories
NOTE: Refer to Mercury Precision Parts Accessories Guide.
System Wiring Reference Points
FEATURES
• DTS power harness - Provides 12V power to the DTS system. Requires connection
to the starting battery. If starting battery is located at the helm, DTS power harness
accessory kit is required to minimize voltage drop. Use cable ties to secure power
harness leads to battery cables, within 15 cm (6 in.) of battery posts.
• Battery cables - Connect to the starting battery.
• Vessel sensor harness - This harness connects to the fuel tank sensor, remote oil
tank sensor and the paddle wheel speed/temperature sensor, if equipped.
• 14 pin data harness - Connects between the command module harness and engine.
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