Cessna T188C - Page 485

MODEL 188 & T188 SERIES SERVICE MANUAL
SECTION 20
WIRING DIAGRAMS
THRU 1977 MODEL
Page
No.
TABLE OF CONTENTS Aerofiche/Manual
Circuit Function and
Specific
LIGHTING
Circuit Code Letters
...... 3A3/20-2
Compass and Instrument
Lighting. . 3C1/20-48
D C. POWER
Compass and Instrument
Lighting
Battery and External Power System. 3A6-20-5 (24V) ..... .... . 3C2/20-49
Battery
and External
Power System
Landing
Lights ........
3C3/20-50
(24V, 60 AMP) ...
3A8/20-7
Landing Lights ..........
3C4/20-51
Alternator
System
(14V, 60 AMP).
. 3A10/20-9
Landing
Lights (24V)
... ...
3C5/20-52
24 Volt,
60 AMP
Regulator,
Landing
and Taxi
Lights (12V
and
Alternator
& Warning Lt
. . . . 3A11/20-10
24V) .............
3C6/20-53
Alternator System
(14V, 60
AMP) . 3A12/20-11
Navigation Lights
........
3C7/20-54
Alternator System (14V, 60 AMP) . 3A13/20-12 Navigation Lights (24V) ..... . 3C9/20-56
Alternator System (14V, 60 AMP) . 3A14/20-13 Flashing Beacon Light ...... 3C10/20-57
24 Volt 60 AMP Regulator, Flashing Beacon Light (24V) .... 3C11/20-58
Alternator & Warning
Lt .. . .3A16/20-15
Wing Tip Strobe
Lights (12V and
Alternator System (24V, 60 AMP) . 3A17/20-16 24V) ......... 3C12/20-59
Alternator System (24V,
60 AMP) . 3A18/20-17
Flashing Beacon
Light (12V and
Alternator System (14V, 100 AMP) . 3A20/20-19 24V). ........... . 3C14/20-61
Alternator System (24V, 100 AMP) . 3A21/20-20 Flashing Beacon Light .... .. 3C15/20-62
Bus Bar
... . ....
3A23/20-22
Map and Auxiliary Instrument
Bus Bar ..... .3B1/20-24 Light (12V and 24V) ...... 3C16/20-63
Battery
and External Power
System. 3B3/20-26
Compass and Instrument
Lighting
IGNITION (12V and 24V) ........ 3C17/20-64
Magneto ...... ....... 3B4/20-27 Compass and Instrument Lighting
ENGINE CONTROL (12V and 24V) ........ 3C18/20-65
Starter
System ..
.3B5/20-28 Turn
Lights .......
3C20/20-67
Starter System (24V)
....... 3B6/20-29
Spray Lights (24V) .......
3C22/20-69
FUEL AND OIL
Spray Lights (24V) ........
3C23/20-70
Fuel Pump System ........ 3B7/20-30 Hopper Light. ... ...... 3C24/20-71
Fuel Pump System (24V). .... . 3B8/20-31 HEATING, VENTING AND DE-ICING
Fuel Pump
System (12V and 24V).
. 3B9/20-32
Heated Pitot Tube &
Heated
Fuel Pump System (12V and 24V) . 3B10/20-33 Stall Warning System .... .. 3D1/20-72
Fuel Pump System (12V and 24V) . 3B12/20-35 Cigar Lighter ........ .. 3D2/20-73
ENGINE INSTRUMENTS Cigar Lighter (24V). ....... 3D3/20-74
Fuel Quantity Indicator
..... 3B13/20-36
Air Conditioner
......... 3D4/20-75
Fuel Quantity Indicator (24V). . . 3B14/20-37 WARNING AND EMERGENCY
Fuel Quantity Indicator, Wing Tank. 3B15/20-38 Stall Warning System
Fuel Quantity
Indicator, Wing Tank
(Non-Heated)
......... . 3D5/20-76
(24V) .......... ... 3B16/20-39 Stall Warning System
Cylinder Head Temperature . . . . 3B17/20-40 (Non-Heated( (24V) ...... -3D6/20-77
Cylinder Head Temperature (24V) . 3B18/20-41 MISCELLANEOUS SECTION
FLIGHT INSTRUMENTS Electric Spray Valve (12V) .... . 3D7/20-78
Turn and Bank Indicator.
..... 3B19/20-42
Electric Spray Valve (12V)
.... . 3D8/20-79
Turn and Bank Indicator
(24V) . . . 3B20/20-43
Electric Spray Valve
(24V) .. ... 3D10/20-81
Brittain Wing Leveler
.. . .. .3B21/20-44
Agitator (12V and
24V) ...... 3D11/20-82
Turn Coordinator (12V) .. .... .3B22/20-45 Electric Spray Valve ....... 3D12/20-83
Turn Coordinator (24V) ....... 3B23/20-46 Automatic Flagman ....... 3D14/20-85
OTHER INSTRUMENTS
Automatic
Flagman . .... 3D15/20-86
Ammeter
..... ... ....
. 324/20-47 Agitator
(12V and 24V) .....
. 3D16/20-87
Electric Spray
Valve .......
3D17/20-88
Beginning
With 1978
Models
D C POWER Alternator System (60 AMP &
Bus Bar . ... ..
.. . . . . . 3D19/20-90
95 AMP) . ....
. . .. . . . 3E1/20-96
Alternator System
(60 AMP &
Alternator
System (60 AMP
&
95 AMP) . ....... 3D20/20-91 95 AMP) ......... 3E2/20-97
Alternator System (60
AMP &
Battery and External
Power System. 3E3/20-98
95 AMP) . ...... . .3D21/20-92 Battery and External Power System. 3E4/20-99
Battery
and External
Power System.
3D23/20-94
Battery and
External Power
System
Battery and External Power
System. 3D24/20-95
(T188C) ... ...
.... 3E5/20-100
20-1