TRAVEL BZ CN-81 2 1 Y 19A G/OR 51 TRAVEL CN-70 2 1 W 64 Y 19 BOOM PRIORITY CN-133 2 1 GY/W 55 R 3 POWER MAX CN-137 CN-88 2 1 L/OR 63 R 3E MAX FLOW CD-10 2 2 1 1 BR/W 60 R 3A AIR CLEANER SW Pa 36 L 12K B TRAVEL A SUPPLY SIG RETURN CD-6 BrW 31 C B B 47B RW 14B WORK PS SUPPLY RETURN CD-7 B A B 47C Y/OR 26 RW 14C BOOM UP SIG C A SUPPLY CD-32 G 74 R/W 14A RETURN C SIG B B 47A HYD TEMP FUEL LEVEL CD-2 2 1 12 B 33 L/W C CD-1 1 2 27 R/OR 12A B WORKING PS POWER MAX SW TRAVEL ALARM SW CN-51 1 2 3 Y/OR OR/W Y NC NC NC 24V(PRES.SENSOR) 4 5 6 7 R/W B P2 PRESS SIG. GND(PRES.SENSOR) P1 PRESS SIG. ALT LEVEL 10 11 8 9 W 38 BR 39 V 40 W 16 NC P3 PRESS SIG.
AIR CLEANER SW TRAVEL OIL PS O/T DECEL SW 12 13 14 15 BR/W 31 L 36 GY 45 NC GND (POT&DIAL) NC NC 16 17 18 19 20 B 29 5V (POT&DIAL) ACCEL DIAL SIG NC FUEL LEVEL SENSOR 21 22 23 24 W 32 G/OR 30 L/W 33 NC 25 NC 26 NC 27 NC 28 NC 29 NC 30 GND (SENSOR) 31 NC 32 B 12 MCU HYD TEMP SENDOR 34 N1 35 NC 33 BOOM UP 36 G 74 OR 124 R/OR 27 MAX FLOW SOL POWER MAX SOL BOOM PRIORITY SOL CN-50 1 2 GY/W 55 BR/W 60 L/OR 63 HOUR-METER NC ENG PRE-HEAT BATTERY 24V(+) 3 4 5 6 7 W/OR 61 GY GY 56 B 62 PROGRAM DUMP ANTI-RESTART RY PUMP EPPR(-) NC 10 11 8 9 W/OR 37 L 48 B/W 122 NC NC NC TRAVEL SPEED SOL 12 13 14 15 W 64 NC NC TRAVEL BUZZER PRE-HEAT SW 16 17 18 19 G/OR 51 24 BR NC NC OVERLOAD SIG NC 20 21 22 23 G 46 J1939 DATA SHIELD 27 POWER IG J1939 DATA LINK+ 25 J1939 DATA LINK- 26 24 OR 8A B 23 V 71 G 72 SH 73 GND (MAIN) 28 SERIAL-TX 29 SERIAL-RX 30 GND 31 Y 68 L 69 G/W 121 RS232 (+) 32 RS232 (-) 33 RS232 (GND) 34 NC 35 Y 52 V/W 120 B 119 PUMP EPPR(+) 36 CN-92 B 7 SH 70 4-3 RS232 CONN.
B CN-126 119 2 1 4 B/W 122 3 G/W 121 V/W 120 Y 57 2 2 Y 52 RESISTER 21E7-4000 CN-47 2 1 8E OR Y 67 FUEL HEATER 87a 86 30 CR-46 86 85 87 B G44 L 117 G/W 58 85 87 87a 30 2G 41 N1 RETURN C A SUPPLY SIG CD-70 B OR 36 R/W 13 B 37 PUMP3 PRESS PUMP2 PRESS A SUPPLY CD-44 R 13C 1 21 20 19 18 2 3 14 4 5 6 9 RETURN C SIG B V B 40 37C 22 17 16 15 12 7 8 10 11 CYLINDER #4 RETURN A SUPPLY SIG CD-43 C B BR B R 37B 13B 39 PUMP1 PRESS A SUPPLY CD-42 R W 13A 38 RETURN SIG C B B 37A J1939 DATA LINK- J1939 DATA LINK+ CN-91 37 46 15 V G 16 SH 14 L 24 B/W 23 L 24 B/W 23 B 10 L/W 11 CN-14 G/W 22 J1708 DATA LINK+ J1708 DATA LINK- J1939 DATA LINK SLD R.THROTTLE +5V 27 26 36 48 W 20 GY 21 V 9 CN-28 CYLINDER #6 CYLINDER #5 CYLINDER #3 CYLINDER #2 CYLINDER #1 FUEL INLET RESTRICTION SENSOR 31P OEM 5 6 7 19 11 10 8 OEM PORT 50P UNSWITCHED POWER+ R.THROTTLE POS RTN R.THROTTLE ENABLE SIG R.THROTTLE RETURN R.THROTTLE POS SIG 21 49 43 20 B 19 B/W 18 B/W 17 R 1 AC COMP 1 1 2 1 2 1 2 1 2 1 2 1 2 ( - ) SIG C 5V UNSWITCHED POWER+ UNSWITCHED POWER+ UNSWITCHED POWER+ UNSWITCHED POWER+ 17 8 7 28 18 R 1A R 1E R 2 R 2A B A 45 FUEL HEATER UNSWITCH POWER RTN- UNSWITCH POWER RTN- UNSWITCH POWER RTN- UNSWITCH POWER RTN- 50 40 39 30 B 25 B 26 B 27 B 28 CN-99 A B A B C 16A 15A V G 34 43 29 28 GRID&SWITCH RETURN FUEL RESTRIC SIG GRID HEATER ACT SIG FUEL RESTRIC 5V+ UNSWITCH POWER RTN- POWER IG 38 29 R/OR 3 B 29 L 8 7 CN-75 Y 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 REAL TIME BACKUP RTN 47 27 24 23 20 FUEL RESTRIC RETURN WASTEGATE ACTUATOR2 WASTEGATE ACTUATOR1 REAL TIME BACKUP+ ACTUATOR CONNECTOR 50P SENSOR CONNECTOR 50P EPPR VLV 1 2 FUEL SHUT-OFF ACT 33 CYL.
NO.1 SUPPLY+ 10 CYL. NO.1 RETURN- 9 CYL. NO.2 SUPPLY+ 8 CYL. NO.3 RETURN- 16 CYL. NO.4 SUPPLY+ 26 CYL. NO.2 RETURN- 7 CYL. NO.3 SUPPLY+ 6 OEM PORT CYL. NO.4 RETURN- 36 CYL. NO.5 SUPPLY+ 4 CYL. NO.5 RETURN- 3 CYL. NO.6 SUPPLY+ 2 FUEL HEATER 2B 30 12 2L SPARE + 44 SPARE + 15 SPARE - 31 CYL. NO.6 RETURN- 1 ACTUATOR PORT SENSOR PORT 1 2 CN-147 4 GY/W COOLANT LEVEL RTN 23 COOLANT LEVEL +5V 25 COOLANT LEVEL Lo SW 22 GLOW PLUG RY GLOW PLUG CR-24 COOLANT LEVEL Hi SW 24 10 WIF SIG. RETURN 38 INTAKE TEMP 9 WIF SIG. 34 B B/OR 6 40 INTAKE TEMP&PS RTN 39 INTAKE PRESS SIG 37 INTAKE PRESS +5V 2 COOLANT TEMP INPUT 8W 32 8W 31 43 OIL PS&TEMP RTN 42 OIL TEMP SIG. 44 OIL PRESS SIG.
3 COOLANT TEMP RTN CN-80 START RY STARTER 2 1 CR-23 45 OIL PS&TEMP +5V 31 AIR PRESS RTN 17 AIR PRESS +5V 6 AIR PRESS SIG.
FROM BATT.RY WASTEGATE 2 1 FUEL SHUTOFF 49 ENG POS SENSOR2- 50 ENG POS SENSOR2+ 48 ENG POS SENSOR1- 47 ENG POS SENSOR1+ W 5 33 8R WIF SENSOR 2 1 INTAKE MANIFOLD TEMP B A INTAKE MANIFOLD PRESS B SIG C A COOLANT TEMP B A OIL PRESS/TEMP SENSOR 2 4 3 1 AMBIENT AIR PRESS B SIG C A ENG POSITION A D C B CUMMINS RESPONSIBILITY ALTERNATOR GND I B+ CN-74 B+ M M CN-45 C ( - ) 5V C ( - ) 5V U ~ 3 G 51074EL03 GROUP 2 ELECTRICAL CIRCUIT 7 A 8 0A 9 A 10 0A 11 A 12 A 13 5A 14 0A 15 0A 16 0A 17 0A 18 0A 19 5 ECM 1 CLUSTER 5 CASSETTE RADIO 1 MCU 5 CONVERTOR 5 SWITCH PANEL 1 ECM 1 WIPER MOTOR 1 HEAD LAMP 1 WORK LAMP 1 CABIN LAMP 1 BEACON LAMP 2 AC& HEATER 1 HORN 1 CIGAR LIGHTER 1 PRE-HEAT 5 TRAVEL 1 SOLENOID 1 5 SAFETY SOL 1 SOLENOID 3 3 FUEL FILLER P/P R 2 BR 77 V 100 OR 8 GY 78 L 90 R/OR 15 GY/W 10 GY 88 Y 87 R/W 86 Y 97 2L 4 BR 5 GY 83 L 20 Y 19 R 3 R 109 OR 1 2G 41 R 6E 2B G51 Y 99 B 112 Y 98 BR 81 B 13 W 25 OR 1 GY 95 BR 17 R 93 V 92 CN- 2 51 41 36B B W BG //Y 4 4 4 52 3 9 B WW 5 0 3 6 11 2 13 5 GB W /ORCN-1 1 26 CN 21-16A GB W /OR2 3 39 2 0 72 71 AA VG BC B A A CN-98 CN- BA C148 V BG 7 771 32E AE DATA LINK 71 V 72 G 15 R/O 2 R 50 B/W 53 B/W 42 B 43 W 49 GY 54 R 58 G/W 124 OR 47 B 2 3 4 5 6 OR 36 B 37 W 38 38 W W 39 BR BR 39 40 40 V V N1 G 74 B OOM UP 33 65 CN B M P R RI T X F OI W O L LBG /RY O// RWW 665 305 PMO OAO W EL R MO A XS SY OS LOL 321-50 117 L A B 117 G/W 58 41 2G 83 60 87a8785 87 85 3086 87a R/OR27 21 ALT LEVEL P1 PRESS SIG.
P2 PRESS SIG. P3 PRESS SIG. TRAVEL OIL PS O/T DECEL SW NC AIR CLEANER S NC NC NC GND (POT&DIAL 5V (POT&DIAL) NC ACCEL DIAL SIG FUEL LEVEL SENS NC NC NC NC NC NC GND (SENSOR) NC NC HYD TEMP SEN HOUR-METER ENG PRE-HEAT NC BATTERY 24V(+) PUMP EPPR(-) NC PROGRAM DUM ANTI-RESTART NC TRAVEL SPEED NC NC TRAVEL BUZZER PRE-HEAT SW NC NC OVERLOAD SIG NC NC NC POWER IG J1939 DATA LINK J1939 DATA LINK J1939 DATA SHIE GND (MAIN) SERIAL-TX SERIAL-RX NO. 1 DESTINATION CASSETTE RADIO 24V 2 3 4 ILLUMINATION NC GND 5 6 7 NC CASSETTE&ROOM LAMP B+ NC 8 9 10 CASSETTE GND NC BEACON LAMP 11 12 CABIN LIGHT NC NO. 1 DESTINATION HORN SW 2 3 4 5 HORN SW NC INT.
SIG ACCEL DIAL(-) 6 7 8 ACCEL DIAL(SIG) ACCEL DIAL(+) SPARE SW 1 2 3 4 SPARE SW SPARE SW BEACON LAMP 24V BEACON LAMP SIG 5 6 7 8 9 10 11 BRAKER SW 24V BRAKER SIG SPARE SW SPARE SW START KEY (START SIG) START KEY (ACC) START KEY (BR) 2 5 1 6 A 5V CYLINDER #2 7 C SIG CYLINDER #32 21 1 11 198 0 31 II NN TT BAB AA KK C EE( MM- ) AA NN II FF OO LL DD TP ER MES PS 2 1 CYLINDER #4 14 1 15 2 2 WIF SENSOR 1 CYLINDER #5 FUEL SHUTOFF 2 1 1 CYLINDER #6 2 WASTEGATE 9 VCN 1-2 A8 8 7 LY EP1C 2 PN R-7 V5 36 4BB/OR 1 CR-23 CN M-45 M C COMP LV 2 2L 12 SH 14 V 15 G 16 R/OR 3 R 2 B/W 17 B/W 18 B 19 W 20 GY 21 R 1 G/W 22 GY 21 W 20 B 19 B/W18 B/W17 R 1 R 1A R 1E