Primary Station Switches; Ignition Key Switch - Mercury MerCruiser D2.8L D-Tronic Service Manual

SERVICE MANUAL NUMBER 22
INSTALLATION
1. Apply Perfect Seal to threads of sender.
2. Counter-hold the adaptor with a separate wrench and install the sender and sealing
washer.
3. Torque the temperature sender to the adapter. Maximum torque is 25 Nm (18 lb-ft). Do
NOT overtorque.
4. Connect harness wiring. Apply liquid neoprene to the terminals.
5. Refill closed cooling system.

Primary Station Switches

IMPORTANT: Disconnect battery cables from battery before testing switches with
wires still connected to switches.
IMPORTANT: The decal, or decals, on the side of the toggle switches with the arrow
and the word UP, refer to the position of the switch when installed on the panel.

Ignition Key Switch

REMOVAL
1. Disconnect battery cables from battery.
2. Remove nut retaining ignition key switch to Engine System Monitor Panel.
3. Remove wires from back of switch.
90-860074--1 FEBRUARY 2002
4
a - Panel
b - Switch
c - Nut
c
b
a
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INSTRUMENTATION
Page 4D-15