GAUGES PART 4: CONTROLS AND DISPLAYS
– 50 – Y53-6007 (R10/06)
Pyrometer
11467
Your vehicle may be equipped with a pyrometer gauge.
The pyrometer gauge indicates engine exhaust gas tem
-
perature. Since it responds almost immediately to
changes in exhaust gas temperature, the pyrometer is an
excellent indicator of engine output.
Monitor it in conjunction with the tachometer and manifold
pressure gauge. The pyrometer can be a useful aid to
operating your vehicle more efficiently and avoiding sud
-
den changes in engine operating temperature. See your
engine owner’s manual for maximum temperature recom
-
mendations.
Voltmeter
11497
Your voltmeter displays the battery voltage. Normally, it
should show 12V to 14V (volts).
NOTE: Even with a healthy charge/start system,
the voltmeter may fall well below 12V during
engine cranking. If voltage drops below 12V and
stays there, have the electrical system checked.
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