VESSELVIEW 703
Page 4 / 6 © 2017 Mercury Marine 90-8M0124492 eng MARCH 2017
• Never attempt to connect any type of communication or navigation equipment into the DTS wiring harnessing other than
at the designated connection point.
• Always install boat accessory equipment using an appropriate power source connection, such as a fuse panel or junction
box.
• Never attempt to tap directly into any of the DTS electrical wiring harnesses for a source of power.
Wiring Guidelines for Electrical Boat Accessories
!
WARNING
Excessive voltage drop may compromise the DTS system, leading to serious injury or death from loss of throttle and shift
control. Do not wire any electrical accessory into the 12‑volt ignition key switch circuits of the DTS system.
IMPORTANT: Do not connect boat accessories to the ignition key switch. Use a separate, switched 12‑volt source for wiring
boat accessories.
IMPORTANT: The DTS system requires a consistent 12‑volt power source. Splicing or connecting accessories to the 12‑volt
or ignition key switch DTS circuits (purple, purple/white, or red wires) could blow a fuse or overload circuits, causing
intermittent or complete loss of operation.
Harness Installation Guidelines
• Locate an appropriate path for routing the harness connections to their installation points.
• Inspect the routing path to ensure that surfaces are free of any sharp edges or burrs that could cut the harness.
• Fasten and support the harness with clamps or cable ties every 45.8 cm (18 in.) along the routing path. A clamp or cable
tie must be used within 25.4 cm (10 in.) of any connection in a DTS system.
• Ensure that all connections are tight. Seal all unused connectors with weather caps.
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