Complete workshop service manual with electrical wiring diagrams for Cummins ISB, QSB Series Engines. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Cummins ISB, ISBe, ISBe4, QSB (QSB3.3, QSB4.5, QSB5.9, QSB6.7) Engines service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail.

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"3666193.exe" (Windows)
"3666193.iso" (Windows/Mac/Linux)
Cummins ISB and QSB5.9-44 Troubleshooting and Repair Manual
344 MB iso disk image

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"3666194.exe" (Windows)
"3666194.iso" (Windows/Mac/Linux)
Cummins ISB and QSB5.9 Engines Electronic Control System Troubleshooting and Repair Manual
187 MB iso disk image

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"3666195.exe" (Windows)
Cummins ISB Wiring Diagram (for ECM Part Numbers 3942335 and 3942858)
Bulletin No. 3666195-02

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"3666288.exe" (Windows)
"3666288.iso" (Windows/Mac/Linux)
Cummins ISB Light Duty Electronic Control System Troubleshooting and Repair Manual
88 MB iso disk image

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"4021578.pdf" (Windows/Mac/Linux)
Cummins ISB CM2100, CM2150 Service Manual
1,379 pages

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"4021271.exe" (Windows)
"4021271.iso" (Windows/Mac/Linux)
Cummins ISB, ISBe, ISBe4, QSB4.5, QSB5.9, and QSB6.7 (Common Rail Fuel System) Service Manual
540 MB iso disk image

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"4021271.pdf"
Cummins ISBe, ISB, and QSB (Common Rail Fuel System) Series Engines Service Manual
866 + 690 pages

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"4021416.pdf"
Cummins ISB, ISBe4, QSB4.5, QSB5.9, QSB6.7, ISC, QSC8.3, ISL, ISLe3 and QSL9 Engines, CM850 Electronic Control System Troubleshooting and Repair Manual
890 + 970 + 970 pages

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"4021416.exe" (Windows)
"4021416.iso" (Windows/Mac/Linux)
ISB, ISBe2, ISBe3, ISBe4, QSB4.5, QSB5.9, QSB6.7, ISC, QSC8.3, ISL, ISLe3, ISLe4, and QSL9 CM850 Electronic Control System Troubleshooting and Repair Manual
265 MB iso disk image

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"4021602.pdf"
ISB CM2150 Operation and Maintenance Manual
403 pages

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"4021570.pdf"
Cummins CM2150 Electronic Control System, ISB, ISC, ISL, ISLe, ISDe, and QSB3.3 Engines Troubleshooting and Repair Manual
576 + 964 + 970 pages

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"3666325-02.exe"
Cummins ISB 23 PIN Wiring Diagram (for ECM Part Numbers 3942860, 3344124 and 390517) Bulletin No. 3666325-02

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"4021625.pdf"
Cummins ISDe and ISBe with CM2150 Control Module Wiring Diagram

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"4021596.pdf"
Cummins QSB 3.3 with CM2150 Control Module Wiring Diagram

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"4021572-01.pdf"
Cummins ISB CM2150 Control Module Wiring Diagram

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EXCERPT:
Inspect for Reuse
Inspect the engine harness connector and coolant temperature sensor for the following:
• cracked or broken connector shell
• missing or damaged connector seals
• dirt, debris, or moisture in or on the connector pins
• corroded, bent, broken, pushed back, or expanded pins.
Install
Make sure the new sensor has an o-ring installed.
Lubricate the o-ring with clean engine oil.
Install the new sensor into the engine. Tighten the sensor.
Push the connectors together until they lock.
Torque Value: 23 N•m [ 17 ft-lb ]
Fill the cooling system and operate the engine to check for leaks. Refer to Procedure 008-018 in the Troubleshooting and Repair Manual, ISC, QSC8.3, ISL and QSL9 Engines, Bulletin 4021418 or Troubleshooting Repair Manual, ISBe, ISB, and QSB5.9 (Common Rail
Fuel System), Bulletin 4021271.
Monitor the engine coolant temperature sensor with INSITE™ electronic service tool for proper operation.
Cruise Control or PTO ON/OFF Switch (019-021)
General Information
Marine Applications
The Cruise 1/2 control switch is located on the control panel and has three settings, Cruise 1, Cruise 2 and OFF.
The rocker switch is used to activate or disable the cruise control operation. The cruise control ON and OFF circuit consists of the Cruise Control 1 and 2 signal lines, switch common ground and the rocker switch.
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