Cat 3406e 40 pin ecm. Not only do our ECM modules meet OEM .

Cat 3406e 40 pin ecm May 10, 2013 · I'm looking for a schematic drawing for a 40 pin cat ecm. Cummins Ecm. The Cat 3406e 40 Pin ECM Wiring Diagram is an essential tool for anyone working with the Cat 3406e engine. Proper adapter use prevents Apr 29, 2021 · I am repinning the OEM harness was a 70 pin to a 40 pin. Jan 13, 2014 · I think this is 40 pin looking for a wiring diagram so I can check ground and wiring harness to injectors. This cable is used on "older" CAT engines, which includes the 3406E, C-10, C-12, and more. Discover the Cat 3406e ecm wiring diagram and learn how to effectively troubleshoot and repair the electronic control module (ECM) in your Cat engine. *149$ Test fee if not repairable or no problems found (We do not diagnose over the Shop HHP for a Caterpillar 3406E, 3406B, 3406C ECM 40 Pin (1153055). Jun 23, 2015 · Basically in the OLD 40 pin ECM (ADEM II) they had both protocols for CDL & ATA so you could flash them to suit On or Off Hwy applications. Cat 3406E I have taken wiring diagrams from both the 70 p & 40 pin, removing for example pin 70 from the 70pin putting into cavity 6 of a 40 pin connector, pin 52 & 53 (spliced together) into #4 unswitched power, #65 &67 into #5 ground, etc but I have ran into a problem. vin 483278 vin# need diagram of ECM pins truck side only Wiring Diagram, 2994 Sterling Vin #483278, general, Intermittent Upgrade CAT engines with AirDog’s secondary fuel system kit for 40‑pin ECMs—enhanced filtration, stable pressure, and easy, plug‑and‑play installation. THIS WILL ADAPT ALL HARD WIRED FUNCTIONS. This comprehensive guide provides a detailed schematic of the engine control module (ECM) wiring, allowing users to easily understand and troubleshoot the various electrical components. Fast Delivery. , coolant temp, oil pressure), and communication lines must align correctly. Caterpillar 2 plug 40 pin. Description CATERPILLAR BYPASS BREAKOUT CABLES Caterpillar 40pin Bench Flash Harness To be used on the older CAT engines, which includes the 3406E C10 and C12. pdf) or view presentation slides online. The ECM catered for 3 protocols. For ECM wiring issues on a 1996 Autocar with a 3406E Cat engine, start by obtaining the specific ECM wiring diagram from the service manual. Nov 13, 2024 · One end plugs into the ADEM2 40 Pin firewall harness, while the other connects seamlessly to the Cat 70 Pin ECM (ADEM2000/3). Please visit catecm. Programming is more accurate when we physically have your ECM here and can transfer information exactly how it is set to your vehicle, otherwise we will program to the engine serial number. Removed from a running engine and tested good ECM. Fort Worth, Texas 76135. Check Caterpillar or aftermarket suppliers for compatible 70-to-40 pin adapters. Inspect pins for corrosion or bent contacts in the rectangular 40-pin connectors. Get detailed wiring diagrams and tips for diagnosing common ECM issues to ensure your equipment runs smoothly and efficiently. Tampa, Florida 33614 +1 (813) 724-4463 THIS ECM ADAPTER WILL INSTALL NEW 70 PIN ECM ENGINES INTO OLDER TRUCKS, THAT HAD 40 PIN ECM ENGINE. This ECM Wire Diagram has been prepared to provide full information with illustrations about Cat 3406E Engine 1LW, 5DS. 6L or 15. · We prefer you send your core ECM to us first. CAT C10/C12, 3176B, 3406E Engine SchematicSK24807 D 01 2 days ago · Removed from a running engine and tested good ECM. Fits various engine serial numbers. Compatible with Cat 40 Pin ECM prefixes, including 3406E (5EK, 1LW, 6TS, 5DS), C10 (2PN, 8YS), C12 (1YN, 9NS), and 3176B (9CK), this harness ensures reliable communication for heavy-duty applications. Oct 30, 2025 · Cat Ecm Repair. Electronic file covers the section about the engine, many pictures, colored diagrams, schemes, diagrams, symbols Sep 27, 2013 · 6NZ used in 2000 year trucks, 15. My engine fan is not turning on automatically anymore. The factory guide will help you quickly and easily learn all the instructions, recommendations, rules and understand the further correct use of your device. 3406-40 pin_ECM diagramas. pretty sure the 6nz was also a 14. Look at this Caterpillar 3406E Engine Control Module (ECM) Part # 212-94500-03, 40-PIN ECM, 1LW Serial for sale in Florida for $1,950. txt) or view presentation slides online. With Your Diagnostic Software And Adapter You Can Update, Flash, Edit The ECM And More. Print the invoice. Modules must be intact with all screws and hardware. If the ECM has 40-pins, and it running an on-road engine this cable will work. Ensure reliable sensor connectivity for your Caterpillar 3406E engine with the Kustom Truck OEM Caterpillar Engine Sensor Harness, designed for engines with 40 Pin ADEM2 ECM electronics and typically compatible with serial prefixes 5EK, 6TS, 1LW, and 5DS. 6 and the 7cz was the 15. Cat T-shirt All size & Colors. Engine serial numbers (ESN) that this CAT bench flash harness would be compatible with include: The 40-pin ECM application is a common type of electronic control module used in Caterpillar engines. Ensure reliable sensor connectivity for your Caterpillar 3406E engine with the Kustom Truck OEM Caterpillar Engine Sensor Harness, designed for engines with 40 Pin ADEM2 ECM electronics, typically found on models with a 5EK serial prefix. 8L, single turbo, 70 pin ecm, some say the best truck engine ever built. There is places that you can get reman ECM s from that charge a lot less then CAT. This document provides an electrical circuit diagram and connector information for a 3406E engine: - It shows pin connections and colors for a 40-pin ECM connector including signals for vehicle speed, timing calibration, boost pressure, atmospheric pressure, oil pressure ALL RESULTS Caterpillar 3406E ECM $699. I'm trying to set one up to start it on the ground and don't really want to buy a harness for just this. Use a multimeter to verify continuity on critical circuits like power, ground, and sensor inputs. Oct 1, 2019 · Various information for caterpillar ecm wiring diagrams. (Can program to C10, C12, 3176, 3406E) CALL FOR MORE INFORMATION, STOCK 1995 Caterpillar 3406E Engine Wiring for Out-of-Truck Starting 3406E engines often face wiring harness damage and starter relay failures during off-truck starts. Some sample engine serial numbers (ESN) that this CAT cable harness would include CAT 3406E, C-10, and C-12 with ESN: 8YS, 9NS, 5DS, 1LW, 2PN, 1YN, 5EK, or 6TS. Various sensors are labeled including speed/timing, boost pressure, atmospheric pressure, and oil pressure sensors. Aug 26, 2022 · For those who are unfamiliar with the ECM wiring diagram, the most common type is the 3406E 40 Pin ECM wiring diagram. g. Find the complete wiring diagram for the Caterpillar 3406e engine and troubleshoot electrical issues with ease. Contact us for your faulty truck ECM today! Caterpillar C10, C12, 3406E - 40 Pin - Free download as PDF File (. May 22, 2025 · Optimize the cooling system of your Caterpillar 3406E 40 Pin ECM engine with the Kustom Truck Stainless Braided Hose Kit, specifically designed for early model engines with 5EK, 6TS, 1LW, or 5DS serial prefixes. Used CAT 40-pin ECM. This document provides an ECM wire diagram for a 3406E engine with the following specifications: 1LW, 5DS. 00 Jul 3, 2017 · Jump to page : 1 Now viewing page 1 [50 messages per page] Jun 16, 2012 · Would anyone have a schematic for the breakdown of the pin placement on a 40 pin 3406E for the truck side harness. Sep 17, 2025 · Used CAT 40-pin ECM. 00 USD. Dec 9, 2017 · 93 Freightliner 3406 Cat Need Wiring Diagram Of The 40 G Ecm Plug 3323676 Turbocharger Group Engine Caterpillar C13 Lgk00001 Up Air Inlet And Exhaust System 777parts Feb 17, 2007 · I would find a buddy with a 40 pin and give him a $100 Bill and borrow his ecm to test make sure . its in a 1996 westernstar with a 3406e cat. Stock # 8092, MLS # 13196532 When replacing a 70-pin ECM with a 40-pin unit on a 3406E engine, use a specialized harness adapter to connect truck wiring to the smaller ECM. The diagram shows the pin connections for a 40-pin ECM connector and intermediate connector J24/P24. Mar 25, 2025 · Engine: Caterpillar CAT 3406E, 3176B. Get the information you need to troubleshoot and repair any wiring issues with your Cat 3406e engine. By understanding and interpreting this diagram, technicians can effectively diagnose and resolve any issues related to the engine’s electrical Nov 8, 2024 · The 3406e 40 Pin ECM Wiring Diagram PDF is a critical piece of information for anyone looking to install, troubleshoot, or repair a 3406e engine. 8L (c16), but hey throw it out like its a fact!. Don’t fret; we can get your engine working again with our state-of-the-art ECM repair and replacement services. It includes a key for understanding the diagram symbols and abbreviations. Great Prices. Oct 7, 2023 · Cat 3176b C 1 O 12 3406e Truck Engine Electrical System Schematic Manual Pdf By Heys Issuu I Need To Match Up A Kenworth S Cab Ecm With Replacement Cat 3176 Engine Even Though The Last In Truck As industry leaders in Caterpillar ECM Repair Services, we diagnose, rebuild and remanufacture a wide range of Caterpillar Diesel Engine ECMs. , Serial#: 1LW14808, Core Charge: 250. CUSTOMER PARAMETER WILL NEED TO BE ADUJUSTED TO MAKE ANY THING ECM DRIVEN FUNCTION. Inspect connectors for corrosion or damage, and ensure proper grounding. Find many great new & used options and get the best deals for Caterpillar 3406E ECM Part # 117-8351-00, 40-PIN ECM, 5EK Serial at the best online prices at eBay! Free shipping for many products! The Cat 3406e 40 pin ecm wiring diagram is a comprehensive guide that outlines the electrical connections and pin configurations for the engine control module. Not only do our ECM modules meet OEM 315 W. It is a 40-pin ECM with dimensions of 14 inches in length, 3 inches in height, and 10 inches in width. Must not rattle or have loose components. . txt) or read online for free. also very good engine. Address any damaged wires or loose pins. At the heart of this labyrinth lies a network of pathways, each serving a crucial role in the seamless operation of the system at hand. com for diagrams on Caterpillar Ecm wiring Diagrams. Find the complete Cat 3406e 40 pin ecm wiring diagram on our website. Inspect all connectors for corrosion or damage, especially at the ECM plug and sensor interfaces. 3406E used from 1993 to 1999 year trucks, 14. For troubleshooting the 70-pin ECM connector on a Cat 3406E 2WS, inspect both engine and cab plugs for corrosion or bent pins. Had it hooked up to a prolink and it Find new and used Caterpillar 3406E ECMs for sale in stock near you with fast delivery. 00 Cat 3406C ECM Pin Configuration Guide The proper arrangement and understanding of the connector terminals for the 3406C electronic control module is essential for ensuring optimal performance and troubleshooting. pdf), Text File (. 9317 Jacksboro Hwy. # 117-8351-00, GUARANTEED TO BE PROGRAMMABLE AND INCLUDES WARRANTY. Quality Diesel Engine Parts. Jan 4, 2023 · Schematic features and tips caterpillar engine wiring diagram pdf 3126 c15 c9 c10 c11 c12 c13 c7 3406e cat 50 00 picclick i have an un 2006 sel the ecm has two 40 pin units not newer 70 ones need page 1 of 20 ik0800080 j1939 data lin troubleshooting 11 2018 https evalue internationaldelivers com service kb doctool installation guide 3176b c o CATERPILLAR 40 PIN Description: Diagnostic Bench Harness For Caterpillar40 Pin ECM (s). Look at this Caterpillar 3406E Engine Control Module (ECM) ECU 40-PIN for sale in Florida for $850. 2) Ship the unit along with the invoice to: Repair Department 9317 Jacksboro Hwy, Fort Worth ,Texas 76135 3) Wait 2-3 Days once we receive part and we ship back the part *Shipping back is included we do not cover shipping to us. Manhattan Ave. Mar 29, 2018 · Jump to page : 1 Now viewing page 1 [50 messages per page] For the 2006 Cat 3406E with dual 40-pin ECM connectors, verify the cab/control side wiring harness integrity. Restore your Caterpillar engine harness with the Kustom Truck Harness Repair Kit for 40 Pin (ADEM2) engine electronics, specifically designed to replace the 40 Pin connector keyed for the OEM side of the ECM (engine to cab harness). Our Remanufacturing Process That Guarantees Enhanced Reliability and Performance Perhaps you’re on the road and you suddenly notice a malfunction in your vehicle’s CAT 3406 ECM. This diagram is essential for technicians and mechanics who need to troubleshoot and repair issues with the engine’s electronic control system. 3 Cummins I need eco harness diagram, for which wire goes where in 40 pin plug. pdf - Free download as PDF File (. 8 on 600hp models, 40 pin ecm to 1998, 70 pin in 1999. We repair your original unit so no core is applied on our repair service. Whether it’s a semi-truck, generator, bus, or another application that requires the 3406e engine, wiring diagrams are a must-have. Dallas, Texas 75247 +1 (214) 819-0517 4813 N. Mockingbird Ln. Verify pin assignments carefully to avoid signal misrouting. 90 Day Warranty. Learn how to properly wire your Cat 3406e engine's Electronic Control Module (ECM) with our detailed diagram and step-by-step instructions. Stock # 1831, MLS # 10000907 Compatible with Cat 40 Pin ECM prefixes, including 3406E (5EK, 1LW, 6TS, 5DS), C10 (2PN, 8YS), C12 (1YN, 9NS), and 3176B (9CK), this harness ensures reliable communication for heavy-duty applications. com. One end plugs into the PEEC firewall harness, while the other connects seamlessly to the Cat 40 Pin ECM (ADEM2). Oct 21, 2025 · Removed from a running engine and tested good ECM. Repair Service. View photos, details, and other Engine Control Modules (ECM) for sale on MyLittleSalesman. Discover the Comprehensive 3406E ECM Pinout Guide for Effective TroubleshootingUnveiling the intricate circuitry that governs the heart of heavy machinery, this article delves into the intricate labyrinth of connections and pathways within a certain electronic control module. Need 40 pin wiring diagrams for 1999 fl70 freightliner and a 2006 fl70 freightliner with 8. The Cat 3406e 40-pin ECM wiring diagram is an essential tool for anyone working on or troubleshooting Cat 3406e engines. Use to have one but cant locate it. Key pins like power supply, ground, sensor inputs (e. The pulsating hub of a mechanized beast, this module orchestrates the symphony of functions and commands, dictating the Oct 20, 2025 · Mounting hardware included with this ECM. 99 OEM #: Cat 3406E Diesel Engine ECM EC Serial#: 108-0491-01 Casting#: 108-0491-01 (PERFECT TESTED) FOR CATERPILLAR 3406E 5EK DIESLE ENGINE WITH 40 PIN PART NO. Oct 14, 2025 · USED ECM/ CAT 40 PIN 3406E 1LW S/N GUARANTEED TO BE PROGRAMABLE. ECM may require programming. This diagram contains information such as pinout information, component locations, voltage readings, and more. Aug 11, 2025 · The Caterpillar 3406 5EK Engine Control Module is a performance part designed for easy installation on the front of a vehicle. Compatible with Cat 70 Pin ECM prefixes, including 3406E (2WS, 1MM), C-15 (6NZ, MBN), C-16 (7CZ), C15 ACERT (BXS, MXS, NXS), C13 (KCB), C12 (2KS, MBL), C11 (KCA), and C10 (3CS, MBJ), this harness ensures reliable Unlock the Power: Cat 3406E 40 Pin ECM Pinout GuideDelving into the intricate web of connections within modern machinery unveils a world of complexity and precision. It’s akin to navigating a bustling city, where every street and alleyway holds significance When swapping a Cat 3406E ECM from a 70-pin to a 40-pin connector, carefully map each wire using the specific wiring diagrams. The diagram provides a detailed overview of the electrical system, including all the connections, components, and wiring routes. Apr 29, 2021 · 70 pin Cat converted to 40 pin Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Mudstick, May 1, 2021. Featured Products. Currently taped to the ECM at each mounting point. CAT - 3406E (Prefix 5EK or 6TS) - Free download as PDF File (. It is used in various Caterpillar engine models, including the 3406E, C10, C12, C15, and many others. View all 94 18-wheeler ECMs. Use a multimeter to check continuity in wiring harnesses. The Process 1) Add to Cart at the end there will be an invoice. This harness connects the engine ECM to critical sensors, facilitating accurate data transmission for optimal engine performance in heavy-duty applications 3406E40ECM | Caterpillar 3406E 40 PIN ECM, Reman ATL Diesel SKU 3406E40ECM $1,995.