TM 5-3805-280-24-1
System Diagrams
R1--Not Used
K11--Starter Protection Relay (Marked R11) (SE2,
R2--Heater Blower Motor Dropping Resistor Block
W3)
K12--Start Aid Relay (Marked R12) (SE2, W3)
(Without Air Conditioner) (SE16, W2)
R3--Not Used
K13--Starter Relay (SE2, W1)
R4--Engine Coolant Temperature Gauge Resistor
K14--Battery Relay (SE1, W1)
K15--Fuel Shutoff Relay (SE3, W1)
(150 ohms) (SE5, W3)
R5--Fuel Gauge Resistor (220 ohms) (SE5, W3)
K16--Overload Alarm Relay (SE19, W1)
K17--Not Used
R7--Not Used
K18--Not Used
R8--Not Used
K19--Not Used
R9--Not Used
K20--Not Used
R10--Engine RPM Dial (SE4, W2)
K21--Not Used
R11--Air Conditioner and Heater Blower Motor
K22--Not Used
K23--Not Used
Dropping Resistor Block (SE17, W9)
K24--Air Conditioner Blower Motor and Main Power
S1--Key Switch (SE1, W2)
(Low Speed) Relay (SE17, W9)
9015
S2--Horn Switch (SE15, W2)
10
S3--Dome Light Switch (SE15, W2)
(SE17, W9)
6
K26--Air Conditioner Blower Motor (Low Medium
S4--Heater Blower Motor Switch (Without Air
Conditioner) (SE16, W2)
Speed) Relay (SE17, W9)
K27--Air Conditioner Blower Motor (Medium Speed)
S5--Fluid Level Check Switch (SE5, W3)
S6--Buzzer Stop Switch (SE5, W3)
Relay (SE17, W9)
K28--Air Conditioner Blower Motor (High Speed)
S7--Work Mode Selection Switch (SE5, W3)
S8--Propel Speed Change Switch (SE5, W3)
Relay (SE17, W9)
S9--Wiper Speed Switch (SE5, W3)
S10--Drive and Work Light Switch (SE5, W3)
M1--Starter (SE2, W1)
S11--Economy (E) Mode Switch (SE4, W2)
M2--Engine Control (EC) Motor (SE8, W1)
S12--High Power (HP) Mode Switch (SE4, W2)
M3--Windshield Wiper Motor (SE11, W3)
S13--Auto Idle Switch (SE5, W3)
M4--Windshield Washer Motor (SE11, W1)
S14--Windshield Wiper Enable Switch (SE4, W2)
M5--Heater Blower Motor (Without Air Conditioner)
S15--Windshield Washer Switch (SE5, W3)
(SE16, W2)
S16--Learning Switch (SE9, W2)
M6--Air Conditioner and Heater Blower Motor
S17--Travel Alarm Cancel Switch (SE10, W2)
(SE17, W9)
S18--Start Aid Switch (SE2, W2)
M7--Not Used
S19--Power Boost Switch (SE9, W2)
M8--Not Used
S20--Rear Lights Switch (SE13, W2)
M9--Air Conditioner Internal and External Cab Air
S21--Quick Hitch Switch (SE19, W2)
Servomotor (SE17, W9)
S22--Low Idle Sense Switch
M10--Air Conditioner Blower Port Change
S23--Hand Held Tool Switch
Servomotor (SE17, W9)
M11--Air Conditioner Air Mixer Servomotor (SE17,
V1--Start Aid Diode (SE2, W1)
W9)
P1--Hour Meter (SE5, W3)
(SE3, W2) (Red/Wht and Red/Blk)
P2--Engine Coolant Temperature Gauge (SE4, W3)
P3--Fuel Gauge (SE4, W3)
Continued on next page
CED,OUOE012,123
1915MAR993/5
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