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INTERACTIVE SCHEMATIC
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Cover Page
Information
Schematic
Machine Views
Component Table
Tap Table
Fluid Power Symbols
Electrical Symbols
Front Frame
Rear Frame
Tap Views
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EC-C3
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SENR5924March 1993
966F Series II
Electrical System
8BG2000-23399YJ1-1077
1SL1-506
Wheel Loader
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COMPONENT LOCATION
Component Schematic
Location
Machine
Location Component
Schematic
Location
Machine
Location
Alarm (CMS) Sensor - Lift Cyl Pressure
Alarm - Backup Sensor - Lift Position
Alternator Sensor - Trans Oil Temp
Battery Sensor - Trans Speed
Battery Shifter - Transmission
Breaker - Alternator (80A) Solenoid - A/C Clutch
Breaker - Blower Motors (15A) Solenoid - Engine Shutdown
Breaker - Engine Shutdown (15A) Solenoid - Float Detent
Breaker - Main (80A) Solenoid - Lift Detent
Breaker - Running Lamp (15A) Solenoid - Ride Control Valve
Breaker - Seat Air Comp (1 5A) Solenoid - Start Aid
Buffer - Fuel Level Solenoid - Tilt Detent
Control - Autoshift Trans Solenoids - Trans Valves (6)
Control - Engine Shutdown Switch - Auto Ride Control
Control - Payload Measurement (ECM) Switch - Battery Disconnect
Converter - Voltage Switch - BeaconDisplay - Payload Measurement Switch - Blower Motor
Dryer - Brake Air Switch - Bucket Positioner
Flasher Switch - Dimmer
Fuses (1OA) Switch - Eng Coolant Temp (Ether Aid)
Fuses (1OA) Switch - Engine Oil Press
Horn - Forward Switch - Flood Lamp
Lamp - Action Switch - Front Intermittent Wiper
Lamps - Indicator Switch - Hydraulic Oil Level
Meter - Service Switch - Key Start
Monitor - Computerized System (CMS) Switch - Lift Positioner
Motor - Front Washer Switch - Parking Brake
D-4 A A-2 16
D-15 1 A-2, E-1 17
E-13 2 B-14 18
F-14 3 C-12 11
E-14 4 F-3 A
C-15 D F-13 19
C-10 B E-13 11
C-15 D B-6 B
C-15 D B-5 B
C-15 D B-2, E-1 16
C-10 B A-14 8
D-1 5 B-6 B
E-12 6 C-12 20
C-13 D E-7 B
F-12 6 F-14 19
D-6 A D-10 BD-3 7 D-4 C
A-13 8 A-2, E-1 21
D-4 A C-1 A
C-10 B A-15 14
C-15 D A-15 14
B-1, E-1 9 E-11 B
D-4 C E-8 B
F-4 C A-3 15
E-11 B E-9 B
E-4 C A-2, E-1 9
C-13 10 D-1 22
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CONNECTOR LOCATION
Schematic
Connectors Location
Machine
Location
CONN 1
CONN 2
CONN 3
CONN 4
CONN 5CONN 6
CONN 7
CONN 8
CONN 9
CONN 10
CONN 11
CONN 12
CONN 13
CONN 14
CONN 15
CONN 17CONN 18
CONN 19
C1E-5
B-4 27
B-7 27
B-11 27
B-15 DC-12 28
C-10 27
D-10 27
F-10 29
F-10, D-11 29
D-7 29
D-8 B
B-3 30
B-3, E-2 30
A-15 31
A-3, E-2 30C-2 30
D-15 32
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CID / MID / FMI
Component Identifiers (CID) ListCID Component
096 Fuel Level Sensor
100 Engine Oil Pressure Sensor
110 Engine Coolant Temperature Sensor
168 Electrical System Voltage
177 Power Train Oil Temperature Sensor
190 Engine Speed Sensor
248 Data link
270 Harness Code
271 Action Alarm
324 Action Lamp
362 Ride Control Solenoid
600 Hydraulic Oil Temperature Sensor
601 Brake Air Pressure Sensor
621 Down Shift Switch
627 Parking Brake Switch
631 Solenoid 1 (Reverse)
632 Solenoid 2 (Forward)
633 Solenoid 3 (Gear 4)
634 Solenoid 4 (Gear 3)
635 Solenoid 5 (Gear 2)
636 Solenoid 6 (Gear 1)
650 Harness Code
668 Shift Handle
671 Transmission Speed Sensor
680 Ride Control Switch685 Service Information Code
687 Options Identification Code
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SPECIFICATIONS AND RELATED MANUALS
Off Machine Switch SpecificationPart No. Function Actuate Deactuate Contact Position
2M-9346 Stoplamp Pressure45.0 kPa MAX
(6.5 psi MAX)
5.0 kPa MIN
(0.5 psi MIN)Normally Open
8N-1 693 Engine Coolant Temp (St Aid)37.8 2.8C
(100.0 5.0F)
26.7C MIN
(81.0F MIN)Normally Closed
9X-0378 Engine Oil Pressure62.0 kPa MAX
(9.0 psi MAX)
38.0 20.0 kPa
(5.5 3.0 psi)Normally Open
9X-1 159 Steering (Primary & Supplemental) Flow4.0 Grams
(.14 oz)
1.5 Grams
(.05 oz)Normally Open
9X-941 8 Transmission Neutralizer Pressure103.020.0 kPa
(15.0 3.0 psi)
69.0 kPa MIN
(10.0 psi MIN)Normally Closed
Resistor, Sender and Solenoid Specifications
Part No. Component Description Resistance (Ohms)
9G-1950 Resistor - Blower SpeedOverall 2.00 .10
Tap_1.00 .05
6T-221 7 Resistor - Starter/Diagnostic Conn 150.0 7.5
8T-8813 Solenoid - A/C Clutch 14.4 0.6
6T-4122 Solenoid - Engine Shutdown 5.12 0.26
6T-5859 Solenoid - Ride Control 33.7 1.0
9G-4365 Solenoid - Start Aid 6
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HARNESS and WIREElectrical Schematic Symbols
PressureSymbol
T
TemperatureSymbol
LevelSymbol
FlowSymbol
Circuit BreakerSymbol
Symbols
Symbols and Definitions
T
Fuse: A component in an electrical circuit that will open the circuit if too much current flows through it.
Switch (Normally Open): A switch that will close at a specified point (temp, press, etc.). The circle indicates that the component has
screw terminals and a wire can be disconnected from it.
Switch (Normally Closed): A switch that will open at a specified point (temp, press, etc.). No circle indicates that the wire cannot be
disconnected from the component.
Ground (Wired): This indicates that the component is connected to a grounded wire. The grounded wire is fastened to the machine.
Ground (Case): This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the
machine.
Reed Switch : A switch whose contacts are controlled by a magnet. A magnet closes the contacts of a normally open reed switch; it
opens the contacts of a normally closed reed switch.
Sender: A component that is used with a temperature or pressure gauge. The sender measures the temperature or pressure. Its
resistance changes to give an indication to the gauge of the temperature or pressure.
Relay (Magnetic Switch): A relay is an electrical component that is activated by electricity. It has a coil that makes an electromagnet
when current flows through it. The electromagnet can open or close the switch part of the relay.
Solenoid: A solenoid is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current
flows through it The electromagnet can open or close a valve or move a piece of metal that can do work
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