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Mercury D4.2L D-Tronic

Mercury D4.2L D-Tronic
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INSTRUMENTATION
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 4D-9
5. Connect jumper wire from terminal G (GND) to terminal SEND (S).
72748
a
a-Jumper Wire
6. Turn ignition switch to the RUN position. Gauge being tested must be at position B.
73289
a
a
Typical
a- Needle at Position B
CRUISELOG (ENGINE HOUR METER)
1. Remove cables from battery and fully charge battery.
2. Remove wires from back of gauge.
3. Connect positive (+) jumper lead from battery to gauge terminal + (12 V).
4. Connect negative () jumper lead from battery to gauge terminal GND (ground).
72815
72750
5. Observe gauge run indicator on face of gauge. If indicator is turning, the gauge is
operable. If indicator is not turning, replace gauge

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