Электросхемы тягачей John Deere 250D and 300D
- SE1—Start Circuit
- SE2—Start Circuit and Charge Circuit
- SE3—Cold Start Aid and Unloader Valve Heater Circuits
- SE4—Monitor Display Unit Circuit
- SE5—Monitor Display Unit Circuit
- SE6—Steering Column Switch Circuit and Sealed Switch Module Circuit
- SE7—Chassis Control Unit Circuit
- SE8—Chassis Control Unit Circuit
- SE9—Chassis Control Unit Circuit
- SE10—Output Expansion Unit Circuit
- SE11—Output Expansion Unit Circuit
- SE12—Output Expansion Unit Circuit
- SE13—Engine Control Unit Circuit
- SE14—Engine Control Unit Circuit
- SE15—Engine Control Unit Circuit
- SE16—Transmission Shift Control Circuit
- SE17—Transmission Control Unit Circuit
- SE18—Transmission Control Module Circuit
- SE19—Battery Balancer Circuit
- SE20—Radio Circuit
- SE21—Switched Power Fuses (not used)
- SE22—Rotating Beacon and Dome Light Circuits
- SE23—Service Brake Lights, Park Lights, and Turn Light Circuits
- SE24—Work Lights, Headlights, Backup Lights, and Backup Alarm Circuits
- SE25—Air System Drain Circuit and Horn Circuits
- SE26—Inter-Axle Lock Circuit
- SE27—Park Brake Circuit
- SE28—Hydraulic Temperature Circuit and Hydraulic Cut-Off Circuit
- SE29—Bin Lever Circuit
- SE30—Bin Up and Bin Down Circuits
- SE31— Front Wiper and Washer Circuits
- SE32—Rear Wiper and Washer Circuits
- SE33—Mirror Defroster Circuit and Mirror Positioning Circuit
- SE34—Heating and Air Conditioning Circuit
- SE35—Heating and Air Conditioning Circuit
- SE36—Heating and Air Conditioning Circuit
- SE43 — JDLink ™ Power Circuit
- SE44 — GlobalTRACS ® Terminal (GTT) Circuit
- SE45 —Machine Information Gateway (MIG) Circuit
- SE46 —JDLink™ (MTG/SAT) Power Circuit
- 3 - JDLink™ Option (MIG/GTT)
- 4 - JDLink™ Option (MTG/SAT)
- F35 - Alternator Excitation, Mirror, and A/C 10-Amp Fuse
- F50 - Cold Start Aid and Unloader Valve Heater 20-Amp Circuit Breaker
- F53 - Main 60-Amp Circuit Breaker
- G1 - Batteries
- G2 - Alternator
- K24 - Battery Relay
- M1 - Starter Motor
- R5 - Unloader Valve Heater
- S1 - Key Switch
- S2 - Battery Disconnect Switch
- S5 - Cold Start Aid Switch
- V2 - Starter Solenoid Diode (3-Amp)
- V3 - Alternator Excitation Diode (3-Amp)
- W1 - Main Ground
- W2 - Cab Firewall Ground
- X1 - Main Power Harness-to-Cab Main Harness 9-Pin Connector
- X3 - Front Frame/Engine Harness-to-Cab Main Harness 31-Pin Connector
- X13 - Unswitched Power Terminal (marked as Stud 1)
- X14 - Switched Power Terminal (marked as Stud 2)
- X15 - Front Frame/Engine Harness-to-Cab Main Harness 9-Pin Connector
- X351 - Front Frame/Engine Harness-to-ECU Interface Harness 33-Pin Connector
- Y40 - Cold Start Aid Solenoid

- A14 - Sealed Switch Module (SSM)
- B19 - Fuel Level Sensor
- B20 - Engine Coolant Low Level Sensor
- B23 - Service Brake Low Pressure Switch
- B24 - Secondary Steering Pressure Switch
- F8 - MDU 10-Amp Fuse
- F33 - MDU Ignition Status 10-Amp Fuse
- F37 - 12V Supply Relay, Front Wiper Park Signal, Headlight Switch, Rear Wiper Motor Park Signal 10-Amp Fuse
- F38 - Service Brake Pressure Switch and Secondary Steering 10-Amp Fuse
- H1 - Audible Alarm
- H2 - Monitor Display Unit (MDU)
- S6 - Range Hold Switch
- S8 - Inter-Axle Lock Switch
- S9 - Not Used
- S10 - Steering Column Switch (horn, drive lights, turn signals)
- S11 - Headlight Switch
- S14 - 4-Way Flasher Switch
- S15 - Work Light Switch
- S16 - Air Conditioning On/Off Switch
- S17 - Air Recirculation Switch
- S18 - Blower Motor Speed Control Switch
- S19 - Air Flow Control Switch
- S20 - Not Used
- S24 - Temperature Control Decrease Switch
- S25 - Temperature Control Increase Switch
- S26 - Not Used
- S27 - Bin Maximum Position Switch
- S28 - Bin Production Switch
- S29 - Retarder Decrease Switch
- S30 - Retarder Increase Switch
- S31 - Rear Wiper Switch
- S32 - Front Wiper Switch
- W1 - Main Ground
- W2 - Cab Firewall Ground
- W4 - Front Frame Ground (under cab)
- X2 - Hydraulic Harness-to-Cab Main Harness 23-Pin Connector
- X3 - Front Frame/Engine Harness-to-Cab Main Harness 31-Pin Connector
- X29 - 8-Pin Connector (not used)
- X31 - Steering Column Switch (S10) 12-Pin Connector
- X33 - Audible Alarm (H1) 2-Pin Connector
- X37 - Monitor Display Unit (H2) 16-Pin Connector
- X38 - Monitor Display Unit (H2) 14-Pin Connector
- X50 - 3-Pin Connector (not used)
- X560 - Sealed Switch Module (SSM) (A14) 4-Pin Connector
- X563 - 3-Pin Connector (not used)
- X565 - 4-Pin Connector (not used)

- 3 - JDLink™ Option (MIG/GTT)
- 4 - JDLink™ Option (MTG/SAT)
- A8 - Chassis Control Unit (CCU)
- B15 - System Air Pressure Sensor
- F4 - Left Turn Light and Right Turn Light 20-Amp Fuse (marked as CCU2)
- F25 - Bin Pressure Reduction Solenoid, Inter-Axle Lock Solenoid, Front Wiper Low Speed, and Rear Wiper Low Speed
- 20-Amp Fuse (marked as CCU2 Output Driver Supply 3)
- F26 - Park Lights and Work Lights 30-Amp Fuse (marked as CCU2 Output Driver Supply 6)
- F27 - Rear Wiper High Speed, Air System Drain Solenoid, Bin Lever Detent Magnet, and Backup Lights 20-Amp Fuse
- (marked as CCU2 Output Driver Supply 4)
- F28 - Horn, Headlights (low and high beam), and Flashing Beacon Light 20-Amp Fuse (marked as CCU2 Output Driver
- Supply 5)
- F29 - CCU Ignition Status 10-Amp Fuse
- F30 - Park Brake Solenoid, Overspeed Control, Front Washer Pump, Front Wiper High Speed, and Artic Reverse Light
- 25-Amp Fuse (marked as CCU2 Output Driver Supply 2)
- F31 - Bin Control, Hydraulic Cut-Off Solenoid, A/C Clutch Solenoid, Mirror Heating, and Recirculation Vent Actuator 15-
- Amp Fuse (marked as CCU2 Output Driver Supply 1)
- F36 - Hardware Detection, Park Brake Switch, Park Brake Pressure Switch, and JDLink™ (S.N. 617193— ) Switched
- Power 10-Amp Fuse
- K6 - Not Used (marked as R4)
- W2 - Cab Firewall Ground
- W31 - System Air Pressure Sensor Ground
- X2 - Hydraulic Harness-to-Cab Main Harness 23-Pin Connector
- X3 - Front Frame/Engine Harness-to-Cab Main Harness 31-Pin Connector
- X4 - Hydraulic Harness-to-Cab Main Harness 21-Pin Connector
- X9 - 18-Pin Connector (not used)
- X29 - 8-Pin Connector (not used)
- X44 - 3-Pin Connector (not used)
- X254 - 3-Pin Connector (not used)
- X265 - 12-Pin Connector (not used)
- X406 - CCU (J3) (A8) 32-Pin Connector
- X407 - CCU (J2) (A8) 48-Pin Connector
- X408 - CCU (J1) (A8) 32-Pin Connector
- X564 - 6-Pin Connector (not used)

- A13 - Output Expansion Unit (OEU)
- F3 - OEU 20-Amp Fuse
- F18 - Range Hold and Blower Speed Low 20-Amp Fuse (marked as OEU Output Driver Supply 3)
- F19 - Starter Solenoid 30-Amp Fuse (marked as OEU Output Driver Supply 6)
- F20 - Automatic Neutral Relay, Engine Overheat/Preselect 2nd, and Blower Speed Medium 20-Amp Fuse (marked as OEU Output Driver Supply 4)
- F21 - Blower Speed High 20-Amp Fuse (marked as OEU Output Driver Supply 5)
- F22 - OEU Ignition Status 10-Amp Fuse
- F23 - Fan Low Solenoid and Fan Medium Solenoid 25-Amp Fuse (marked as OEU Output Driver Supply 2)
- F24 - Heater Valve, Floor Vent Actuator, and Middle Vent/Defrost Actuator 15-Amp Fuse (marked as OEU Output
- Driver Supply 1)
- K8 - Not Used (marked as R2)
- K26 - Not Used (marked as R3)
- R3 - 120-Ohm CAN Termination Node
- W2 - Cab Firewall Ground
- X3 - Front Frame/Engine Harness-to-Cab Main Harness 31-Pin Connector
- X4 - Hydraulic Harness-to-Cab Main Harness 21-Pin Connector
- X7 - Transmission Control Harness-to-Cab Main Harness 12-Pin Connector
- X249 - 4-Pin Connector (not used)
- X253 - 3-Pin Connector (not used)
- X409 - OEU (J3) (A13) 32-Pin Connector
- X410 - OEU (J2) (A13) 48-Pin Connector
- X411 - OEU (J1) (A13) 32-Pin Connector

- A3 - Engine Control Unit (ECU)
- B2 - Engine Coolant Temperature Sensor
- B3 - Fuel Temperature Sensor
- B5 - Engine Oil Pressure Sensor
- B9 - Crankshaft Position Sensor
- B10 - Accelerator Pedal Position Sensor
- B34 - Injection Pump Position Sensor
- B35 - EGR Mixed Air Temperature Sensor
- B40 - Fuel Transfer Pump Pressure Sensor
- B41 - Fresh Air Temperature Sensor
- B42 - Exhaust Temperature Sensor
- B43 - Turbo Speed Sensor
- B44 - Water In Fuel (WIF) Sensor
- B45 - Manifold Air Pressure (MAP) Sensor
- B47 - Compressor Inlet Air Temperature Sensor
- B48 - Fuel Rail Pressure Sensor
- F2 - ECU Unswitched Power 20-Amp Fuse
- F17 - ECU Switched Power 10-Amp Fuse
- M14 - Exhaust Gas Recirculation (EGR) Actuator
- M15 - Variable Geometry Turbocharger (VGT) Actuator
- W1 - Main Ground
- W2 - Cab Firewall Ground
- Y32 - Fuel Transfer Pump
- Y33 - Pump Control Solenoid
- Y34 - Injector Solenoid (Cyl #1)
- Y35 - Injector Solenoid (Cyl #2)
- Y36 - Injector Solenoid (Cyl #3)
- Y37 - Injector Solenoid (Cyl #4)
- Y38 - Injector Solenoid (Cyl #5)
- Y39 - Injector Solenoid (Cyl #6)
- X8 - ECU Interface Harness-to-Cab Harness 21-Pin Connector
- X10 - ECU Interface Harness-to-Cab Harness 15-Pin Connector
- X308 - Electronic Fuel Injectors Harness 10-Pin Connector
- X350 - Front Frame/Engine Harness-to-ECU Interface Harness 23-Pin Connector
- X351 - Front Frame/Engine Harness-to-ECU Interface Harness 33-Pin Connector
- X352 - Engine Control Unit (ECU) 32-Pin Blue Connector
- X353 - Engine Control Unit (ECU) 48-Pin Connector
- X354 - Engine Control Unit (ECU) 32-Pin Brown Connector

- 3 - JDLink™ Option (MIG/GTT)
- 4 - JDLink™ Option (MTG/SAT)
- A4 - Transmission Shift Control
- A5 - Transmission Control Unit (TCU)
- A6 - Transmission Control Module
- B11 - Retarder Temperature Sensor
- B12 - Transmission Sump Temperature Sensor
- B13 - Turbine Speed Sensor
- B14 - Output Speed Sensor
- F1 - TCU Unswitched Power 10-Amp Fuse
- F7 - Diagnostic Connector Unswitched Power 10-Amp Fuse
- F15 - TCU Switched Power 10-Amp Fuse
- F32 - Diagnostic Connector Switched Power 10-Amp Fuse
- R4 - 120-Ohm CAN Termination Node
- R8 - Retarder Resistor
- W2 - Cab Firewall Ground
- X2 - Hydraulic Harness-to-Cab Main Harness 23-Pin Connector
- X7 - Transmission Control Harness-to-Cab Main Harness 12-Pin Connector
- X11 - 12-Pin Connector (not used)
- X62 - Diagnostic 9-Pin Connector
- X200 - 12-Pin Connector (not used)
- X219 - Transmission Control Unit CAN Connector
- X233 - Transmission Control Module (A6) Connector
- X234 - Transmission Control Harness-to-Transmission Harness Connector
- X236 - Transmission Shift Control (A4) Connector
- X237 - Transmission Diagnostic Connector
- X238 - Transmission Control Unit (A5) Connector
- Y1 - Clutch G Solenoid
- Y2 - Clutch F Solenoid
- Y3 - Clutch E Solenoid
- Y4 - Clutch D Solenoid
- Y5 - Clutch C Solenoid
- Y6 - Clutch B Solenoid
- Y7 - Clutch A Solenoid
- Y8 - Clutch WK Solenoid
- Y9 - Throttle Pressure D1 Solenoid
- Y10 - Retarder On Solenoid
- Y11 - Retarder Proportional Solenoid

- A9 - Battery Balancer (S.N. 609166
- A10 - AM/FM Radio
- B29 - Left Speaker
- B30 - Right Speaker
- F6 - Battery Balancer 10-Amp Fuse (S.N. 609166—617192)
- F9 - 10-Amp Fuse (not used)
- F11 - Spare 10-Amp Fuse (marked as SPARE 1) (S.N. 609166—617192)
- F12 - Spare 10-Amp Fuse (marked as SPARE 2)
- F13 - Spare 10-Amp Fuse (marked as SPARE 3)
- F14 - Spare 10-Amp Fuse (marked as SPARE 4)
- F34 - Not Used
- F39 - Not Used
- F40 - Electrical Seat 10-Amp Fuse
- F41 - Not Used
- F43 - 12V Radio (switched) 10-Amp Fuse
- F44 - Not Used
- F45 - 12V Power Socket and 12V Cigarette Lighter 10-Amp Fuse
- F46 - CCU 12V Input 10-Amp Fuse
- F47 - 12V Radio (unswitched) 10-Amp Fuse
- F49 - Spare 15-Amp Fuse
- F51 - Battery Balancer 20-Amp Circuit Breaker
- K15 - 12V Supply Relay (marked as R1) (S.N. 609166—617192)
- R9 - Lighter
- R17 - Seat Cushion Heater
- R18 - Back Cushion Heater
- S40 - Seat Heater Switch
- U1 - Voltage Converter
- W2 - Cab Firewall Ground
- X2 - Hydraulic Harness-to-Cab Main Harness 23-Pin Connector
- X4 - Hydraulic Harness-to-Cab Main Harness 21-Pin Connector
- X42 - Inter-Axle Lock Solenoid (Y16) 3-Pin Connector
- X63 - 12-Volt Accessory Power Socket
- X64 - Battery Balancer (A9) 6-Pin Connector
- X65 - 24 Volt Converter (U1) 4-Pin Connector
- X66 - Converter 6-Pin Connector
- X69 - 2-Way Radio 2-Pin Connector
- X74 - AM/FM Radio (A10) 3-Pin Connector
- X274 - TCU Programming Socket (marked as ZF EOL)
- X556 - AM/FM Radio (A10) 16-Pin Connector
- X561 - Cab Harness-to-Seat Heater Harness 2-Pin Connector
- X564 - 6-Pin Connector (not used)
- X590 - Seat Heater 2-Pin Connector
- E1 - Left Front Park Light
- E2 - Right Front Park Light
- E3 - Left Headlight
- E4 - Right Headlight
- E19 - Left Brake/Park Light
- E20 - Right Brake/Park Light
- E21 - Left Front Turn Light
- E22 - Right Front Turn Light
- E23 - Left Rear Turn Light
- E24 - Right Rear Turn Light
- E25 - Dome Light
- E27 - Rotating Beacon
- E28 - Left Work Light
- E29 - Right Work Light
- E30 - Articulation Backup Light
- E31 - Left Backup Light
- E32 - Right Backup Light
- F10 - Dome Light, Service Brake Light Switch, and 4-Way Flasher Switch 10-Amp Fuse
- H3 - Backup Alarm
- S12 - 4-Way Flasher Switch
- S23 - Service Brake Light Switch
- W1 - Main Ground
- W2 - Cab Firewall Ground
- W4 - Front Frame Ground (under cab)
- X2 - Hydraulic Harness-to-Cab Main Harness 23-Pin Connector
- X3 - Front Frame/Engine Harness-to-Cab Main Harness 31-Pin Connector
- X157 - Hydraulic Harness-to-Artic Harness 21-Pin Connector
- X158 - Artic Harness-to-Rear Frame Harness 21-Pin Connector
- X248 - Work Light Harness-to-Cab Main Harness 3-Pin Connector
- B18 - Park Brake Pressure Switch
- B25 - Inter-Axle Lock Pressure Switch
- H4 - Electric Horn
- S7 - Park Brake Switch
- V9 - Air System Drain Solenoid Diode
- V18 - Park Brake Solenoid Diode
- V19 - Inter-Axle Lock Solenoid Diode
- W2 - Cab Firewall Ground
- W4 - Front Frame Ground (under cab)
- X3 - Front Frame/Engine Harness-to-Cab Main Harness 31-Pin Connector
- Y15 - Park Brake Solenoid
- Y16 - Inter-Axle Lock Solenoid
- Y17 - Air System Drain Solenoid
- Y19 - Air Horn Solenoid
- B17 - Bin Position Sensor
- B21 - Hydraulic Temperature Sensor
- B36 - Bin Lever Position Sensor
- V8 - Bin Down Detent Magnet Clamping Diode
- V10 - Bin Up Solenoid Diode
- V11 - Bin Down Solenoid Diode
- V12 - Bin Pressure Reduction Solenoid Diode
- V16 - Hydraulic Cut-Off Solenoid Diode
- W2 - Cab Firewall Ground
- W4 - Front Frame Ground (under cab)
- X2 - Hydraulic Harness-to-Cab Main Harness 23-Pin Connector
- X4 - Hydraulic Harness-to-Cab Main Harness 21-Pin Connector
- X261 - 2-Pin Connector (not used)
- X570 - Bin Lever (B36) 6-Pin Connector
- Y18 - Hydraulic Cut-Off Solenoid
- Y25 - Bin Pressure Reduction Solenoid
- Y26 - Bin Up Solenoid
- Y27 - Bin Down Solenoid
- Y31 - Bin Lever Detent Magnet
- M2 - Front Wiper Motor
- M3 - Front Washer Pump Motor
- M9 - Left Mirror Servo Motors
- M10 - Right Mirror Servo Motors
- M12 - Rear Wiper Motor (S.N. 609166—617192)
- M13 - Rear Washer Pump Motor (S.N. 609166—617192)
- R12 - Left Mirror Defroster
- R13 - Right Mirror Defroster
- S21 - Mirror Positioning Switch
- W2 - Cab Firewall Ground
- X34 - Front Wiper Motor (M2) 6-Pin Connector
- X39 - Mirror Positioning Switch (S21) 8-Pin Connector
- X67 - Left Mirror (M9) 6-Pin Connector
- X68 - Right Mirror (M10) 6-Pin Connector
- X405 - Rear Wiper Motor (M12) 6-Pin Connector
- 1 - Blower Motor Resistor/Thermofuse Original Configuration
- 2 - Blower Motor Resistor/Thermofuse Configuration (if equipped)
- A16 - Air Conditioning Actuator Control Unit
- B31 - Air Conditioning High/Low Pressure Switch
- B32 - Air Conditioning Freeze Control Switch
- B37 - Air Conditioning Evaporator Temperature Sensor
- B38 - Air Conditioning Evaporator Inlet Sensor
- M4 - Blower Motor
- M5 - Heater Control Valve Actuator
- M6 - Recirculation Vent Actuator
- M7 - Defrost and Middle Vent Actuator
- M8 - Floor Vent Actuator
- R10 - Blower Motor Resistor/Thermofuse (if equipped)
- R11 - Blower Motor Resistor/Thermofuse
- W1 - Main Ground
- W21 - Air Conditioning Ground
- X3 - Front Frame/Engine Harness-to-Cab Main Harness 31-Pin Connector
- X58 - Cab Main Harness-to-A/C Actuator Harness 12-Pin Connector
- X284 - Air Conditioning Actuator Control Unit (A16) 8-Pin Connector
- X285 - Air Conditioning Actuator Control Unit (A16) 6-Pin Connector
- Y20 - Air Conditioning Compressor Clutch