Gauges; Oil, Fuel And Temperature - Mercury MerCruiser MCM 454 Mag MPI Service Manual

SERVICE MANUAL NUMBER 23

Gauges

Oil, Fuel and Temperature

IMPORTANT: If testing proves gauge to be defective, it must be replaced as there is
no repair available.
TESTING
1. Turn ignition switch to OFF.
2. Remove wire from terminal S (SEND).
3. Turn ignition switch to RUN. Gauge being tested must be at position A.
4. Turn ignition switch to OFF.
5. Connect jumper wire from terminal G (GND) to terminal S (SEND).
Index
90-861326--1 MARCH 1999
Downloaded from https://needmanual.com/
Typical
a - Terminal S (SEND)
Position A (Typical)
Typical
INSTRUMENTATION
a
72965
72747
72748
Page 4D-5