Piper Navajo Chieftain PA-31-350 Service Manual page 619

Various configurations for the cigar lighter have been used on the aircraft, refer to the electrical
schematics for proper serial number identification and wiring.
Each pitot tube is controlled independently by a circuit breaker type switch located in the pilot's switch
panel.
Other circuits that operate in conjunction with the surface controls, hydraulic system, fuel system, etc..
are explained in their respective sections.
11-3. TROUBLESHOOTING. Troubles peculiar to the electrical system are listed in Table XI-VI along
with their probable causes and suggested remedies. The wiring diagrams included in the manual will give a
physical breakdown of the different electrical circuits used in the airplane. Refer to Table XI-I for list of
Electrical System Schematics.
After the trouble has been corrected, check entire electrical system for security and operation of its
components.
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NAVAJO CHIEFTAIN SERVICE MANUAL
Reissued: 9/23/80
ELECTRICAL SYSTEM
3C17