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177-0345 WIRING GP-ELECTRONIC CONTROL S/N 8YL5454-49817 FOR USE WITH @@@@@173-1964@@@@@, NON-GM HEUI ENGINES ALSO AN ATTACHMENT 3126B


ELECTRICAL AND STARTING SYSTEM
WIRING GP
OPERATOR STATION
MONITOR GP
SERVICE EQUIPMENT AND SUPPLIES
CHARTS & FILMS

TRUCK ENGINE 3126B TRUCK ENGINE 8YL
 3126B Truck Engine 8YL00001-UP SEBP3003 3126B 8YL   (1999)

ELECTRICAL AND STARTING SYSTEM

WIRING GP
WIRING GP-ELECTRONIC CONTROL
160-5200 WIRING GP-ELECTRONIC CONTROL
WIRING GP-ELECTRONIC CONTROL
172-1634 WIRING GP-ELECTRONIC CONTROL
WIRING GP-ELECTRONIC CONTROL
177-0345 WIRING GP-ELECTRONIC CONTROL
WIRING GP-ELECTRONIC CONTROL
187-3327 WIRING GP-ELECTRONIC CONTROL
WIRING GP-ENGINE
180-5169 WIRING GP-ENGINE
WIRING GP-HEATER
296-8073 WIRING GP-HEATER
 

#SEBP30032670
 

177-0345: WIRING GP-ELECTRONIC CONTROL

177-0345 WIRING GP-ELECTRONIC CONTROL
S/N 8YL5454-49817
FOR USE WITH @@@@@173-1964@@@@@, NON-GM HEUI ENGINES
ALSO AN ATTACHMENT
i01141679 SEBP3003
1770345 WIRING GP-ELECTRONIC CONTROL Parts scheme
  For full view, you need register

Parts for your 3126B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 205-1252 [1] HARNESS AS (ELECTRONIC CONTROL)  
  123-1199 [1] SEAL-CONNECTOR  
  123-1200 [1] SEAL-CABLE (CABLE)  
  126-1774 [1] COVER-CONNECTOR (CONNECTOR)  
  3S-2093 [2] STRAP-CABLE  
  8T-8737 [47] PLUG-SEAL  
  126-5011 [1] SEAL-CONNECTOR  
  100-6674 [2] SEAL-CONNECTOR  
  126-5011 [1] SEAL-CONNECTOR  
  102-8803 [1] KIT-RECEPTACLE (3-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
  102-8801 [1] KIT-RECEPTACLE (12-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
  100-3320 [1] PLUG AS-CONNECTOR (2-PIN)  
  111-2416 [1] PLUG AS-CONNECTOR (2-PIN)  
  155-2270 [3] KIT-CONNECTING PLUG (2-PIN)  
    (EACH INCLUDES PLUG AS & WEDGE)
  160-7690 [1] PLUG AS-CONNECTOR (70-PIN)  
  159-9322 [1] SEAL-O-RING  
  155-2260 [1] KIT-CONNECTING PLUG (3-PIN)  
    (INCLUDES PLUG AS & WEDGE)
2. 4P-5918 [2] CLIP  
3. 3S-2093 [15] STRAP-CABLE  
4. 147-0286 [1] WIRE AS  
8. 175-2303 Y [1] SWITCH GP-MAGNETIC (AIR INLET HEATER RELAY)  
9. 7E-5714 [1] STRAP-GROUNDING  
10. 8T-7547 M [1] BOLT (M8X1.25X30-MM)  
11. 8T-4224 [1] WASHER-HARD (8.8X16X2-MM THK)  
12. 105-1797 [7] MOUNT  
13. 4P-7581 [1] CLIP (LADDER)  
14. 153-8920 [1] HARNESS AS-ENGINE (UNIT INJECTOR)  
  155-2255 [1] KIT-CONNECTING PLUG (12-PIN)  
    (INCLUDES PLUG AS & WEDGE)
15. 8T-4970 M [2] BOLT (M6X1X14-MM)  
16. 9X-8256 [2] WASHER (6.6X12X2-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP30032671
 

187-3327: WIRING GP-ELECTRONIC CONTROL

187-3327 WIRING GP-ELECTRONIC CONTROL
S/N 8YL80742-99999
PROVIDES A LONGER WIRING HARNESS WITH AN OIL PRESSURE SENSOR CONNECTOR
FOR USE WITH CUSTOMER SUPPLIED ECM MOUNTING BRACKETS
CANNOT BE USED WITH @@@@@147-0287@@@@@, @@@@@147-0288@@@@@
ALSO AN ATTACHMENT
i01388556 SEBP3003
1873327 WIRING GP-ELECTRONIC CONTROL Parts scheme
  For full view, you need register

Parts for your 3126B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4P-5918 [2] CLIP  
2. 3S-2093 [15] STRAP-CABLE  
3. 4P-7581 [1] CLIP (LADDER)  
4. 7E-5714 [1] STRAP-GROUNDING  
5. 8T-7547 M [1] BOLT (M8X1.25X30-MM)  
6. 8T-4224 [1] WASHER-HARD (8.8X16X2-MM THK)  
7. 105-1797 [7] MOUNT  
8. 147-0286 [1] WIRE AS  
9. 153-8920 [1] HARNESS AS-ENGINE (UNIT INJECTOR)  
10. 8T-4970 M [2] BOLT (M6X1X14-MM)  
11. 187-3326 [1] HARNESS AS (ELECTRONIC CONTROL)  
12. 9X-8256 [2] WASHER (6.6X12X2-MM THK)  
13. 175-2303 Y [1] SWITCH GP-MAGNETIC (AIR INLET HEATER RELAY)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP30032672
 

180-5169: WIRING GP-ENGINE

180-5169 WIRING GP-ENGINE
S/N 8YL67730-99999
FOR USE WITH A LOW OIL SENSOR
ALSO AN ATTACHMENT
i01392145 SEBP3003
1805169 WIRING GP-ENGINE Parts scheme
  For full view, you need register

Parts for your 3126B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-2093 [15] STRAP-CABLE  
2. 4P-5918 [2] CLIP  
3. 003-9835 [1] PROTECTOR  
4. 105-1797 [6] MOUNT  
7. 153-8920 [1] HARNESS AS-ENGINE (UNIT INJECTOR)  
  6N-7523 [1] WASHER (6.48X11.9X1.57-MM THK)  
  135-5975 [1] GROMMET-WIRING  
  155-2255 [1] KIT-CONNECTING PLUG (12-PIN)  
    (INCLUDES PLUG AS & WEDGE)
8. 175-2303 Y [1] SWITCH GP-MAGNETIC (AIR INLET HEATER)  
9. 180-5170 [1] HARNESS AS (INJECTION ACTUATION)  
  3S-2093 [2] STRAP-CABLE  
  8T-8737 [42] PLUG-SEAL  
  123-1199 [1] SEAL-CONNECTOR  
  123-1200 [1] SEAL-CABLE (CABLE)  
  126-1774 [1] COVER-CONNECTOR  
  102-8803 [3] KIT-RECEPTACLE (3-PIN)  
    (EACH INCLUDES RECEPTACLE AS & WEDGE)
  102-8801 [1] KIT-RECEPTACLE (12-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
  100-3320 [1] PLUG AS-CONNECTOR (2-PIN)  
  126-5011 [1] SEAL-CONNECTOR  
  111-2416 [1] PLUG AS-CONNECTOR (2-PIN)  
  126-5011 [1] SEAL-CONNECTOR  
  160-7690 [1] PLUG AS-CONNECTOR (70-PIN)  
  159-9322 [1] SEAL-O-RING  
  155-2270 [3] KIT-CONNECTING PLUG (2-PIN)  
    (EACH INCLUDES PLUG AS & WEDGE)
  155-2260 [1] KIT-CONNECTING PLUG (3-PIN)  
    (INCLUDES PLUG AS & WEDGE)
10. 4P-7581 [1] CLIP (LADDER)  
11. 8T-4970 M [2] BOLT (M6X1X14-MM)  
12. 9X-8256 [2] WASHER (6.6X12X2-MM THK)  
13. 179-9355 [1] WIRE AS  
14. 6V-2317 M [1] BOLT (M8X1.25X30-MM)  
15. 9M-1974 [1] WASHER-HARD (8.8X16X2-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP30032673
 

296-8073: WIRING GP-HEATER

296-8073 WIRING GP-HEATER -JACKET WATER
120-VOLT, 15-AMPERE
AN ATTACHMENT
i02679279 SEBP3003
2968073 WIRING GP-HEATER Parts scheme
  For full view, you need register

Parts for your 3126B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9N-5253 [1] CORD AS-HEATER ELEMENT (120-VOLT, 15-AMPERE)  
 

#SEBP30032674
 

201-7579: CONTROL GP-DISPLAY EPROM

201-7579 CONTROL GP-DISPLAY EPROM
CAT ID
FIELD INSTALLATION
i01499305 SEBP3003
2017579 CONTROL GP-DISPLAY EPROM Parts scheme
  For full view, you need register

Parts for your 3126B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    (NO SERVICED PARTS)
 

#SEBP30032675
 

188-2483: DISPLAY GP-CAT ID

188-2483 DISPLAY GP-CAT ID
ENGLISH/SPANISH/FRENCH
AN ATTACHMENT
i01267635 SEBP3003
1882483 DISPLAY GP-CAT ID Parts scheme
  For full view, you need register

Parts for your 3126B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 102-8805 [1] KIT-RECEPTACLE (6-PIN)(CAT ID DISPLAY)  
    (INCLUDES RECEPTACLE AS & WEDGE)
2. 3E-3383 [1] WEDGE-RECEPTACLE LOCK (6-PIN)  
3. 8T-8729 [5] PIN-CONNECTOR (16-GA TO 18-GA)  
4. 8T-8737 [1] PLUG-SEAL  
   
    AVAILABLE REPAIR KIT(S):
  150-1682 [1] KIT-BUTTON (CAT ID DISPLAY)  
    (INCLUDES BUTTON-RIGHT, BUTTON-LEFT, & BUTTONS-UP/DOWN)
  115-7631 [1] KIT-BRACKET & COVER (CAT ID)  
    (INCLUDES BRACKETS, SCREWS, & COVER)
 

#SEBP30032676
 

198-9273: DISPLAY GP-CAT ID

198-9273 DISPLAY GP-CAT ID
OEM-ENGLISH/SPANISH/FRENCH
AN ATTACHMENT
i01432029 SEBP3003
1989273 DISPLAY GP-CAT ID Parts scheme
  For full view, you need register

Parts for your 3126B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 102-8805 [1] KIT-RECEPTACLE (6-PIN)(CAT ID DISPLAY)  
    (INCLUDES RECEPTACLE ASSEMBLY & WEDGE)
2. 3E-3383 [1] WEDGE-RECEPTACLE LOCK (6-PIN)  
3. 8T-8729 [5] PIN-CONNECTOR (16-GA TO 18-GA)  
4. 8T-8737 [1] PLUG-SEAL  
   
    AVAILABLE REPAIR KIT(S):
  115-7631 [1] KIT-BRACKET & COVER (CAT ID)  
    (INCLUDES RIGHT BUTTON, LEFT BUTTON, & UP/DOWN BUTTONS)
  150-1682 [1] KIT-BUTTON (CAT ID DISPLAY)  
    (INCLUDES BRACKETS, SCREWS & COVER)
 

#SEBP30032677
 

245-4846: MODULE GP-DISPLAY

245-4846 MODULE GP-DISPLAY -MESSENGER
PROVIDES NEW DISPLAY WITH METAL INTEGRATED BEZEL TO SEAL THE UNIT
AN ATTACHMENT
i02001247 SEBP3003
2454846 MODULE GP-DISPLAY Parts scheme
  For full view, you need register

Parts for your 3126B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 245-2943 [1] CONTROL GP-UNPRGMED MONITOR (MESSENGER)  
   
  267-1371 F [1] SOFTWARE GP-MONITOR  
  F   NOT SHOWN
 

#SEBP30032678
 

247-4829: MODULE GP-DISPLAY

247-4829 MODULE GP-DISPLAY -MESSENGER
AN ATTACHMENT
i02151303 SEBP3003
2474829 MODULE GP-DISPLAY Parts scheme
  For full view, you need register

Parts for your 3126B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 278-0086 [1] HARNESS AS-MONITOR (MESSENGER DISPLAY)  
  092-8226 [1] SPLICE  
  125-7875 E TUBE-HEAT SHRINK (7.44-MM DIA)(2-CM)  
  153-2707 E CABLE-ELECTRICAL (2-CONDUCTOR, 18-GA)(62-CM)  
  155-2265 [1] KIT-CONNECTING PLUG (8-PIN)  
2. 245-2943 [1] CONTROL GP-UNPRGMED MONITOR (MESSENGER)  
   
  267-1371 F [1] SOFTWARE GP-MONITOR  
  E   ORDER BY THE CENTIMETER
  F   NOT SHOWN
 

#SEBP30032679
 

6L-4502: CHART-PLATE & FILM

6L-4502 CHART-PLATE & FILM
i01505273 SEBP3003
  For full view, you need register

Parts for your 3126B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  118-6305 [1] FILM-WARNING (HIGH VOLTAGE, HIGH PRESSURE)  
    (INSTALL ON TOP FLAT SURFACE OF VALVE COVER ADJACENT TO THE RH SIDE OF WARRANTY FILM, READABLE FROM LH SIDE OF ENGINE.)
  136-9066 [1] FILM-INFORMATION (ENGINE OIL)  
    (INSTALL ON LEFT HAND SIDE OF ENGINE ON OIL FILL TUBE BENEATH FILLER CAP.)
  4P-8681 [1] FILM-IDENTIFICATION (ENGINE OIL FILTER)  
    (INSTALL ON SPIN-ON OIL FILTER.)
  4P-6379 [1] FILM-IDENTIFICATION (FUEL FILTER)  
    (INSTALL ON SPIN-ON FUEL FILTER.)
  156-8041 [1] FILM-INFORMATION (DO NOT REMOVE)  
    (INSTALL ON OIL PUMP RESERVOIR READABLE FROM LEFT SIDE OF ENGINE.)
  9M-0016 [1] FILM-PATENT (ENGINE)  
    (INSTALL ON FRONT TIMING COVER TOWARDS LH SIDE OF ENGINE.)
  124-5354 [1] FILM-INFORMATION (TRADEMARK)  
    (INSTALL ON TOP FLAT SURFACE OF VALVE COVER TOWARD REAR OF ENGINE READABLE FROM LH SIDE OF ENGINE.)
  7W-9808 [1] FILM-INFORMATION (EPA)  
    (INSTALL ADJACENT TO RIGHT SIDE OF EPA EMISSION FILM READABLE FROM LH SIDE OF ENGINE.)
  121-0169 [1] PLATE-INFORMATION (ENGINE)  
    (INSTALL ON TOP OF VALVE COVER TOWARDS RH FRONT OF ENGINE READABLE FROM LH SIDE OF ENGINE.
    INSTALL LAMINANT OVER SILVER FILM.)
  8L-8413 [1] STRAP-CABLE (WHITE)  
    (INSTALL PRESTART TAG.)
  3N-3469 [1] TAG-INSTRUCTION (ENGINE PRESTART)  
    (INSTALL ON RH OR LH SIDE ENGINE IN A VISIBLE LOCATION. DO NOT INSTALL ON FRONT OR REAR OF ENGINE OR COMPONENT.)
 

Information:

Truck Engine News
Special Instruction, REHS0440 is Available for an Index of Electrical System Schematics {7566}
2000/04/01
Correction to Troubleshooting Guide , "PB-18: Exhaust Brake Relay and AT/MT/HT Transmission Relay Circuits Test" for the 3126B Truck Engine {1093, 1901}
2000/10/01
A Special Instruction, REHS1809 , "Installation Procedure for 156-7106 Injector Wiring Harness Kit " {1254, 1290, 1408}
2003/12/01
A Wiring Harness Kit is Now Available {1290, 1408}
2004/05/01
A New Wiring Harness Kit Is Available in Order to Make Repairs on Certain Truck Engines {1254, 1290, 1408}
2011/01/10
Engine News
Engine Harness Assembly (Bypass) Flashes Messenger When Communication Through the Service Connector is Not Possible {0779, 0781}
2004/04/19
Operation and Maintenance Manual
Cylinder Head Grounding Stud - Inspect/Clean/Tighten
3126E and 3126B Commercial and Truck Engines
Special Instruction
Cross-Reference for Electrical Connectors {7553}
Cross-Reference for Electrical Connectors {7553}
Circuit Breaker Harness Assembly {1420}
Circuit Breaker Harness Assembly {1420}
Installation Procedure for 366-9748 Injector Wiring Harness Kit {1254, 1290, 1408}
Installation Procedure for 366-9748 Injector Wiring Harness Kit {1254, 1290, 1408}
Installation Procedure for 257-4183 Injector Wiring Harness Kit {1408}
Installation Procedure for 257-4183 Injector Wiring Harness Kit {1408}
Removal and Installation of the 126-1774 Endbell Cover {7553}
Removal and Installation of the 126-1774 Endbell Cover {7553}
Selecting the Correct Part Numbers for Sensors and Connectors{1439, 7553}
Selecting the Correct Part Numbers for Sensors and Connectors{1439, 7553}
Guidelines for Routing and Installing Wire Harness Assemblies {1408, 7553}
Guidelines for Routing and Installing Wire Harness Assemblies {1408, 7553}
Repair Procedure for Damaged Harness Wiring {1408}
Repair Procedure for Damaged Harness Wiring {1408}
Technical Information Bulletin
Proper Assembly Sequences for Installing Air Inlet Heater Relay (12VDC Relay: 175-2301 Magnetic Switch, 24VDC Relay: 148-0757 Magnetic Switch){1090, 1408}
Proper Assembly Sequences for Installing Air Inlet Heater Relay (12VDC Relay: 175-2301 Magnetic Switch, 24VDC Relay: 148-0757 Magnetic Switch){1090, 1408}
Specifications
Electronic Control Wiring Group
3126B and 3126E Truck Engines
Switches
On-Highway Engines Electronic PTO Installation and Application Guide
Electronic Control Wiring Group
3126B and 3126E Truck Engines
Tool Operating Manual
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Reuse And Salvage Guidelines
Guideline for Visual Inspection and Repair of Foam Wiring Harness {0649, 1408, 1408, 1408, 1408}
Guideline for Visual Inspection and Repair of Foam Wiring Harness {0649, 1408, 1408, 1408, 1408}
Testing and Adjusting
Electric Starting System - Test
3126B and 3126E Truck Engine
Troubleshooting
Sensors and Electrical Connectors
3126B and 3126E On-highway Engines
Electrical Connectors - Inspect
3126B and 3126E On-highway Engines
Cooling Fan Circuit and A/C High Pressure Switch Circuit - Test
3126B and 3126E On-highway Engines
Fast Idle Lamp Circuit - Test
3126B and 3126E On-highway Engines
0042-11 Injection Actuation Pressure output fault
3126B and 3126E On-highway Engines
Check Engine Lamp Circuit - Test
3126B and 3126E On-highway Engines
Warning Lamp Circuit - Test
3126B and 3126E On-highway Engines
Wait To Start Lamp Circuit - Test
3126B and 3126E On-highway Engines
Change Oil Lamp Circuit - Test
3126B and 3126E On-highway Engines
Cooling Fan Circuit and A/C Compressor Clutch Circuit - Test
3126B and 3126E On-highway Engines
0043-02 Key Switch Fault (71)
3126B and 3126E On-highway Engines
PTO Switch ON Lamp Circuit - Test
3126B and 3126E On-highway Engines
PTO Switch Circuit - Test
On-Highway Engines Electronic PTO Installation and Application Guide
PTO Switch ON Lamp Circuit - Test
On-Highway Engines Electronic PTO Installation and Application Guide
0231-12 J1939 Device Not Responding
On-Highway Engines Electronic PTO Installation and Application Guide
Service Magazine
Harness Repair of Alternator R-Terminal Connector {1405, 1408, 7553}
2000/10/02

Caterpillar Parts SIS Catalog 3126B :

WIRING GP-ELECTRONIC CONTROL
172-1634 WIRING GP-ELECTRONIC CONTROL
WIRING GP-ELECTRONIC CONTROL
160-5200 WIRING GP-ELECTRONIC CONTROL
WIRING GP-ELECTRONIC CONTROL
145-7040 WIRING GP-ELECTRONIC CONTROL
WIRING GP-ELECTRONIC CONTROL
141-5145 WIRING GP-ELECTRONIC CONTROL
WIRING GP-ELECTRONIC CONTROL
135-5991 WIRING GP-ELECTRONIC CONTROL
VALVE GP-SOLENOID
122-5053 VALVE GP-SOLENOID
SWITCH GP-MAGNETIC
175-2324 SWITCH GP-MAGNETIC
SWITCH GP-MAGNETIC
175-2303 SWITCH GP-MAGNETIC
WIRING GP-ELECTRONIC CONTROL
187-3327 WIRING GP-ELECTRONIC CONTROL
WIRING GP-ENGINE
180-5169 WIRING GP-ENGINE
WIRING GP-HEATER
296-8073 WIRING GP-HEATER
CONTROL GP-DISPLAY EPROM
201-7579 CONTROL GP-DISPLAY EPROM
DISPLAY GP-CAT ID
188-2483 DISPLAY GP-CAT ID
DISPLAY GP-CAT ID
198-9273 DISPLAY GP-CAT ID
MODULE GP-DISPLAY
245-4846 MODULE GP-DISPLAY
MODULE GP-DISPLAY
247-4829 MODULE GP-DISPLAY

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