Wiring Diagrams - Cessna 177 SERIES Service Manual

SECTION 20
WIRING DIAGRAMS
Page No.
TABLE OF CONTENTS Aerofiche/Manual
12 VOLT
CIRCUIT FUNCTION AND SPECIFIC
Dome and Courtesy Lights .......
2H17/20-41
CIRCUIT CODE LETERS .............
2G2/20-2
Dome and Courtesy Lights ....... 2H18/20-42
D. C. POWER
Flashing Beacon ................ 2H19/20-43
Battery ...........................
2G4/20-4
Flashing Beacon ................ 2H20/20-44
Alternator ........................
2G5/20-5
Control Wheel Map Light ........ 2H21/20-45
Circuit Breakers ...................
2G6/20-6
Control Wheel Map Light ........ 2H22/20-46
Ground Service Receptacle ......... 2G7/20-7
Strobe Light ...................
2H23/20-47
Alternator System .................
2G8/20-8 Strobe Light ....................
2H24/20-48
Alternator System ................. 2G9/20-9
Instrument Lights ............... 211/20-49
Circuit Breakers ................... 2G10/20-10
Instrument Lights ...............
212/20-50
Circuit Breakers ...................
2G1120-11 Post Lighting ...................
213/20-51
Circuit Breakers ...................
2G12/20-12
Post Lighting .................. 214/20-52
IGNITION
Electroluminescent Panel ........ 215/20-53
Magneto System ................ 2G13/20-13
Post Lighting ................... 216/20-54
Magneto System ................ 2G14/20-14
HEATING, VENTILATING, AND DE-ICING
ENGINE CONTROL
Cigar Lighter ...................
217/20-55
Starter ........................
2G15/20-15
Pitot Heat ...................... 218/20-56
FUEL AND OIL
CONTROL SURFACE
Fuel Pump ..................... 2G16/20-16
Flap System ....................
219/20-57
ENGINE INSTRUMENTS
Flap System ....................
2110/20-58
Fuel Gage and Transmitter ...... 2G17/20-17
Flap System ....................
2111/20-59
Hourmeter ....................
2G18/20-18
Carburetor Air Temperature ..... 2G19/20-19
24 VOLT
Cylinder Head Temperature ...... 2G20/20-20
Oil Temperature ................ 2G21/20-21
D. C. POWER
Cylinder Head Temperature ...... 2G22/20-22 Battery
.......................... 2112/20-60
Oil Pressure ..................
2G23/20-23
Ground Service Receptacle .......... 2113/20-61
Fuel Gage and Transmitter ...... 2G24,'20-24
Alternator System .................
2114/20-62
FLIGHT INSTRUMENTS
Circuit Breakers ...................
2115/20-63
Turn and Bank ..................
2H1/20-25 IGNITION
Brittain Wing Leveler ........... 2H2/20-26
Magneto System ................ 2116/20-64
Turn Coordinator ............... 2H3/20-27
ENGINE CONTROL
Turn and Bank .................. 2H4/20-28
Starter ........................
2117/20-65
Brittain Wing Leveler ..........
2H5/20-29 FUEL AND OIL
Encoding Altimeter .............
2H6/20-30 Fuel Pump ....................
2118/20-66
OTHER INSTRUMENTS
ENGINE INSTRUMENTS
Blind Encoder ................. 2H7/20-31
Hourmeter .....................
2119/20-67
Clock . ...... ...............
2H8i20-32
Carburetor AirTemperature ..... 2120/20-68
Ammeter ....................... 2H9/20-33
Oil Temperature ...............
2121/20-69
Ammeter .......................
2H10/20-34
Cylinder Head Temperature ...... 2122/20-70
LIFGTING
Fuel Gage and Transmitter ...... 2123/20-71
Instrument Lights .
........... 2H11/20-35
FLIGHT INSTRUMENTS
Landing and Taxi Light ..........
2H1220-36
Turn Coodinator/
Landing Light ................
2H13/20-37
Turn and Bank ................ 2124/20-72
Dual Landing Light ............
2H14/20-38
OTHER INSTRUMENTS
Landing and Taxi Light ..........
2H15/20-39 Clock .........................
2J1/20-73
Navigation Lights .............. 2H16/20-40
Ammeter .......................
2J2/20-74
Change 8 20-1