Mercury 305 CID - QSI Series; Gauges; Oil, Fuel and Temperature; Testing

4D-2 - INSTRUMENTATION 90-823225--1 1096
QSI SERIES
These gauges are equipped with optional illumina-
tion lighting. Light bulb socket can be removed and
contacts can be aligned to be used with ignition
switch lighting circuit +12 V or separate instrumenta-
tion lighting circuit LT.
IMPORTANT: Light socket must be removed from
gauge and turned counterclockwise (facing back
of gauge) when adjusting to desired setting.
Turning socket while still installed in gauge
could result in damage to gauge or socket.
NOTE: For different lighting effects, colored sleeves
are available through the Quicksilver Accessories
and can be assembled to the bulb.
72968
a
Ignition Switch Lighting Circuit Position
a - Positive (+) 12 Volt Power Supply From Ignition Switch
72969
b
a
Separate Instrumentation Lighting Circuit Posi-
tion
a - Positive (+) 12 Volt Power Supply From Ignition
b - Positive (+) 12 Volt Power Supply From Separate Instru-
mentation Lighting Circuit
Gauges
Oil, Fuel and Temperature
IMPORTANT: If testing proves gauge to be defec-
tive, it must be replaced as there is no repair
available.
TESTING
1. Turn ignition switch to OFF.
2. Remove wire from terminal S (SEND).
72965
a
Typical
a - Terminal S (SEND)
3. Turn ignition switch to RUN. Gauge being tested
must be at position A.
72747
Position A
Typical
4. Turn ignition switch to OFF.