4. Tighten the switch using a 7/8 in. wrench 1 to 1‑1/2 turns.
DTS electronic shift transmission
a - Audio warning temperature switch
5. Connect the black and blue/tan wires.
DTS electronic shift transmission
a - Audio warning temperature switch
b - Black wire
c - Blue/tan wire
NOTICE
Without sufficient cooling water, the engine, the water pump, and other components will overheat and suffer damage. Provide
a sufficient supply of water to the water inlets during operation.
6. Supply cooling water to the engine.
7. Start the engine and check for oil leaks at the threaded connection.
Boat Harness and Instrumentation Connections—Inboard
IMPORTANT: The maximum accessory load on the engine harness is 15 amps. If additional accessory load is needed, an
accessory kit is available.
1. If an extension harness is required, connect the boat harness to the extension harness and connect the extension harness
to the engine harness. Ensure that the harness does not rub or get pinched.
2. Fasten the harnesses to the boat at least every 46 cm (18 in.) using appropriate fasteners.
3. Connect the 14‑pin harness to the engine. Turn the locking ring until a firm snap is felt.
Typical 14-pin connection
Installation
Page 2B-44 © 2016 Mercury Marine 90-8M0099748 eng DECEMBER 2015
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