345C electric.pdf part of Caterpilar Excavator 345CL 345C electric.pdf, Electrical schematic diagram excavator caterpilar 345CL text manual preview

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Connector Location
Component Location
Connector Number
Schematic Machine RENR7327-02
Location Location Schematic Machine Schematic Machine
Component
Location Location
Component
Location Location May 2009
CONN 1 D-17 18A
CONN 2 H-17 20B Alarm - Action D-3 1C Socket - 12/7A B ATCH C-7 22C
CONN 3 H-17 20B Alarm - Travel ATCH C-13 1B Solenoid - 1 / 2 Way Control ATCH D-11 8A
CONN 4 I-17 20B Alternator K-18 1A Solenoid - 1 / 2 Pump Exchange 1 ATCH D-11 8A
CONN 5 I-17 20B Base - Fuse 1 E-9 2C Solenoid - 1 / 2 Pump Exchange 2 ATCH D-11 8A
CONN 6 H-16 18D Base - Fuse 2 B-9 2C Solenoid - 1 / 2 Pump Check Valve 1 ATCH F-13 9A
CONN 7 D-14/D-15/E-15 18D Battery - LH L-18 1D Solenoid - 1 / 2 Pump Check Valve 2 ATCH E-13 11B
CONN 8 G-14 18D Battery - LH ATCH L-18 1D Solenoid - A/C Clutch K-18 10A
CONN 9 G-14+15/F-15+16 18D

RENR7327-02 Vol 1 of 2
Battery - RH L-18 1D Solenoid - Auto Reverse Fan ATCH H-15 14B

(Dimensions: 56 inches x 35 inches)
CONN 10 B-13 21B
Battery - RH ATCH L-18 1D Solenoid - CWTE Removal ATCH C-14 15B
CONN 11 C-13 22B
10 Block Assembly K-16 2D Solenoid - Double Action ATCH F-13 16B
CONN 12 D-13 8B
1 Breaker - Alternator K-17 3D Solenoid - F2 Single Config. 12,16 ATCH B-18 16B
CONN 13 B-12 23B
CONN 14 B-12 24B Breaker - Main L-17 4D Solenoid - Fan Speed Control H-17 17B
14
CONN 15 B-12 22B Coil - Exciter ATCH G-1 3C Solenoid - Fine Swing ATCH H-10 11A
15
CONN 16 B-12 22B Coil - Ferrite ATCH L-11 5D Solenoid - Flow Limit ATCH A-18 16B
CONN 17 A-11 22B Control - Engine I-18 2B Solenoid - Flow Limit Config. 1 ATCH B-18 16B
8 9 CONN 18 A-11 22B Control - Engine/Pump D-15 6D Solenoid - Flow Limit Config. 11 ATCH C-18 16B
13 16
18 CONN 19 K-10 19D Control - Gateway Worldview Module ATCH L-9 7D Solenoid - Flow Limit Config. 12,16 ATCH B-18 16B
CONN 20 J-10 19D Control - Joystick LH ATCH L-2 4C Solenoid - Heavy Lift ATCH E-18 9A
CONN 21 H-10 19A Control - Joystick LH (3 Way) ATCH L-2 4C Solenoid - Hydraulic Lock D-18 9A
21 CONN 22 A-9 20C
Control - Joystick RH (3 Way) ATCH H-1 5C Solenoid - Medium Double ATCH C-18 16B
3 CONN 23 G-9 40C
Control - Joystick RH ATCH H-1 5C Solenoid - Medium Single ATCH B-18 16B
7 CONN 24 J-9 19D
20 Control - Machine Security ATCH L-13 8D Solenoid - Power Shift Control C-13 11B
5 CONN 25 J-9 19D
Control - Valve ATCH I-12 9D Solenoid - Quick Coupler ATCH C-17 8A
4 CONN 26 K-9 19D
19 Control - Wiper C-3 6C Solenoid - Relief 1 ATCH E-11 13B
CONN 27 L-8 18D
CONN 28 L-8 18D Converter - 12V Power ATCH C-8 7C Solenoid - Relief 2 ATCH D-11 8A
12 CONN 29 L-8 18D Converter - 12V/7A 1 ATCH H-9 8C Solenoid - Relief Check 1 ATCH E-11 13B
2 CONN 30 K-8 18D Converter - 12V/7A 2 ATCH H-9 8C Solenoid - Relief Check 2 ATCH D-11 8A

345C Excavator
CONN 31 K-8 18D Converter - Radio ATCH C-7 7C Solenoid - Single Action Check 1 ATCH E-13 13B
6 CONN 32 K-8 18D Dial - Engine Speed H-1 39C Solenoid - Single Action Check 2 ATCH E-13 8A
CONN 33 K-8 18D Diode - Lamp D-9 3B Solenoid - Smart Boom EC1 ATCH H-11 12A
11
CONN 34 K-8 18D

Electrical System
Diode - Main Relay A-9 9C Solenoid - Smart Boom EC2 ATCH I-11 12A
CONN 35 G-8 18D
Diode - Refueling Power ATCH B-13 3B Solenoid - Smart Boom S1 ATCH I-11 13A
CONN 36 G-8 40C
Diode - Start Relay L-17 3B Solenoid - Start Aid ATCH L-15 14D
CONN 37 E-8 41C
Heater - Seat ATCH G-2 10C Solenoid - Stem 1 Extend ATCH A-18 9A
CONN 38 C-8 37C
Horn - LH Low B-11 2A Solenoid - Stem 1 Retract ATCH A-18 9A
CONN 39 B-8 8C
17 CONN 40 B-8 8C Horn - RH High B-11 2A Solenoid - Stem 3 Extend ATCH A-18 9A TBA1-UP
Lamp - Boom LH ATCH B-11 3A Solenoid - Stem 3 Retract ATCH A-18 9A
CONN 41
CONN 42
B-8
B-7
37C
37C Lamp - Boom RH ATCH B-11 4B Solenoid - Swing Brake D-18 9A
WDE1-UP
CONN 43
CONN 44
B-7
G-7
42C
42C
Lamp - Cab LH ATCH
Lamp - Cab RH ATCH
F-2
F-2
4A
5A
Solenoid - Thumb Close ATCH
Solenoid - Thumb Open ATCH
C-18
C-18
16B
16B
DHP1-UP
GJR1-UP

42 Page, Color 2,
CONN 45 H-7 41C Lamp - Chassis B-11 6A Solenoid - Travel Speed D-18 9A
CONN 46 H-6 14C Lamp - Dome F-3 7A Speaker - LH ATCH F-4 23C
CONN 47 G-6 14C
Lighter - Cigar B-3 11C Speaker - RH ATCH F-4 24C BWY1-UP
CONN 48 G-6 14C
Meter - Service D-3 12C Strap - Ground (PC) J-18 6B
CONN 49 G-5 41C
Monitor E-3 13C Strap - Ground (PE) J-17 15D
CONN 50 G-5 47C
Motor - Auto Lube Pump ATCH B-12 5B Switch - Air Cleaner L-15 16D
CONN 51 L-5 14C
Motor - A/C Condenser Fan K-15 10D Switch - Backup 1 G-3 25C
CONN 52 L-4 43C