Boat Harness
Length of the Boat Harness
Boat Harness and Key Switch
Three Position (off/run/start)
Boat Harness
(key switch is not included)
61 cm (2 ft) 84‑896537 K02 84‑896537 A02
4.6 m (15 ft) 84‑896537 K15 84‑896537 A15
6.0 m (20 ft) 84‑896537 K20 84‑896537 A20
7.3 m (24 ft) 84‑896537 K24 84‑896537 A24
8.8 m (29 ft) 84‑896537 K29 84‑896537 A29
12.2 m (40 ft) 84‑896537 K40 84‑896537 A40
NOTE: Extension harnesses are available if longer length is needed.
Key Switch Connector
• A mounting bezel is not available for the three position key switch.
NOTE: Decal and washer kit 899203A01 is available for the three position key switch if needed.
Typical three position key switch (off/run/start)
• The four position key switch is available with mounting hardware.
Typical four position key switch (off/accessory/run/start)
NOTE: When installing the key switch, verify that the drain hole in the barrel of the key switch is positioned downward for
proper drainage.
•
For non‑DTS applications: For dual helm installation, a key switch is used at the upper and lower station. The key
switches must operate independently.
•
For DTS applications: For dual helm installation, a start and stop switch is used at the upper station. The lower station
can use either a key switch at the helm, or a key switch at the main panel and a start and stop switch at the lower helm.
IMPORTANT: For dual helm installation, both key switches used must be modified to operate independently.
IMPORTANT: Cutting the black/yellow stripe wire disconnects the E‑stop circuit incorporated in the key switch. Do not alter
key switches on DTS applications.
• To modify the non‑DTS key switches, cut the black/yellow stripe wire at each key switch and cover both open wire ends
with heat shrink tubing.
Typical key switch
a - Black/yellow stripe wire
Instrumentation and Controls
90-8M0099748 eng DECEMBER 2015 © 2016 Mercury Marine Page 4D-9
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