Boat Harness Installation Guidelines—MPI Sterndrive
Boat Harness Connector to Engine
Select the boat harness by length.
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.
Installation
90-8M0099748 eng DECEMBER 2015 © 2016 Mercury Marine Page 2B-21
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