Peterbilt Medium Duty Trucks Operator's Manual after 1-07

Operating Instructions
Voltmeter (option)
The voltmeter shows the voltage your vehicle's electrical system
is putting out. Normally, it should show 10 to 16 volts. If
voltage drops, have the electrical system checked.
Instruments and Controls
Transmission Temperature Gauge (option)
Your vehicle may be equipped with a transmission temperature
gauge. It indicates the temperature of the oil in your
transmission. Watch this gauge to know when your transmission
is overheating. If it is, have it checked by an Authorized
Service Center.
02582
Voltmeter
Transmission Temperature Gauge
02579
CAUTION: Maximum allowable transmission
temperature may vary, depending upon your
transmission and type of lubricant. Check your
transmission Owner's Manual.
Medium Duty (R10/06) Y53-6008 – 29 –