Ensure that the CommAdapter II is Powered. The options are ATA, J1939, or CDL. Free shipping. You have an ECM that is not installed on the truck, and wish to do programming or modifications to it on the workbench. Caterpillar recommends using a bypass harness especially when there is a communication problem or a flashing problem. JavaScript is disabled. Diesel Laptops CAT 40 Pin ECM Bypass Breakout Cable. Cat C12 Wiring Diagram Collection. $1,195. Bypass Breakout Cable for Cat Industrial 86 pin ECM's Bench Tuning Harness. Connect the + battery wire and the − battery wire directly to the battery posts. The harness is used to bypass the vehicle wiring to the engine ecm. Cat 3126 engine wiring diagram. Cat 3176 ecm wiring diagram whats wiring diagram. To be used on the more modern Cat engines, which includes the C7, C9, C11, C12, C13, C15 and C16. We recommend a certified technician assist with any removal or installation of your Caterpillar ECM. Fuel savings range from 1/2 MPG to as much as 3 MPG. ECM Communication and Flashing Issues{0709, 1901, 7620} Caterpillar. If the ECM has 40-pins, and it running an on-road engine this cable will work. Active 1720-12 - There is an active 1720-12 diagnostic code. This is for ECM's that have the 40 pin OEM connector. Create Estimate. This combination of ECM and software is not compatible and this combination will generate this error code. I can connect the test Ecm using the break out harness and bypass harness along with the original engine harness (J2/P2) and start the truck with the Ecm sitting on the frame rail. Ensure that the Flash File is on the Hard Drive. $1,195. If the "The flash file and ECM are not compatible" error message occurs, then verify the part number for the flash file. An example would be attempting to flash engine software into a Cat Messenger or a Transmission controller. Free shipping. The bypass harness isolates the ECM from the rest of the wiring. ... Freightliner FLD 120 Classic Engine Wiring Harness CAT C-12 Engine Harness 40 pin connectors: Part Info 800-922-3219 Request Info. I would also try a test ECM for a few days if you can before spending any money on a new one. Installed the bypass harness direct to the ecm and it came back to life. The bypass harness isolates the ECM from the rest of the wiring. This cable is used on "older" CAT engines, which includes the 3406E, C-10, C-12, and more. A forum community dedicated to Diesel engine owners and enthusiasts. Programming the ECM when not on the truck. That sounds real similar to what the Cat dealer told me. Also check all of the fasteners in order to verify that the harness is not compressed. Programming my Caterpillar ECM. Caterpillar C7 KAL 70 Pin ECM Wire Harness Extension off School Bus P# 257-3508 $219.99 USD CATERPILLAR C7 70-PIN, ESN: KAL, ENGINE TO ECM WIRING HARNESS EXTENSIONS, OEM PART# 257-3508,STOCK# SC491.For more information contact us directly. 5EK85632 This is the harness that goes to the engine sensors. Close Categories. I can’ f8nd a schematic from international for a 97 9300 w cat motor. I can connect the test Ecm using the break out harness and bypass harness along with the original engine harness (J2/P2) and start the truck with the Ecm sitting on the frame rail. The bypass harness also eliminates any possible interference that is caused by the OEM harness. Includes engine views, connector views and harness information. Price for spare part Caterpillar 217-0113 in United States. Konnect Kables. $224.89. Harness length is 10". Caterpillar C13 ECM KCB. Often, this message is created because the wrong ECM is highlighted. The Caterpillar ECM will also typically have 2 main engine harnesses running to the connectors. but you will have to change customer parameters. like gauges,abs,ect work. Wiring Diagram Caterpillar C18 Cat 70 Pin Ecm Que with at 40. There is no room for much movement when I put the Ecm in it's mounting location above the starter. Ha, yeah. $995. that picture looks like the cat bypass engine harness for direct connection to the ecm under the hood you can make one for @$75 with the 70 pin connecter if you want the part number just let me know and i will post it for you also cat will charge you @$450 for the bypass harness if you buy it from them the 70 pin plug all you need is to buy pins and the two plugs 9 pin deutsch and 70 pin, you also … Custom programming and parameter settings available and emission deletion tuning for off-highway or racing applications. Professional, quality manufacturing of cables made in the USA. Pulled the OEM harness off of the Ecm and tested power and grounds warning lamp wires and data link wiring. This reduces the amount of information that is traveling on the data link. Truck came in on a wrecker. Connect a bypass harness between the P1 ECM connector and the ECM. Install a 125-3662 3-Pin Engine Sensor Harness Bypass, or make a bypass and route the bypass wire directly from the ECM Connector P2 to the Cat Ecm Wiring Diagram ~ This is images about cat ecm wiring diagram posted by Peggy G. 9xr 12h 24h 140h 160h 307 311b 312b 320b 322 325b 330b 621e 623e 631e 633e 637e 651e 657e 769d 771d 785b 789b 793b 3126 3126b 5080 c-9 c-10 c-12 c … in the new ecm to make anything that is ecm driven. Caterpillar 70pin Bench Harness. Between the master ECM and tested power and grounds warning lamp wires and data link and this may resolve error. Oem connector, ECM, established communication and flashing issues { 0709, 1901 7620. 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