This bypass cable is used on the Detroit Diesel engines with a DDEC IV ECM connection. This bypass harness is used to connect directly to the ECM instead of going through the vehicle dash connector. DDEC IV ECMs are used primarily on Detroit Series 60 from 2001 to 2006.

Our Detroit ECM breakout harness & cables can be used for a variety of purposes, including:

• Most OEMs recommend NOT programming the vehicle through the dash connector, but instead go direct to the ECM. These are the perfect programming cables for such a project.
• You have an ECM that is not installed on the truck, and wish to do programming or modifications to it on the workbench.
• You are having issues with the diagnostic port on your commercial truck, and wish to bypass the vehicle wiring and go direct to the ECM.

Features

• Harness length is 10".
• Professional, quality manufacturing of cables made in the USA.
• All cables are tested on live ECMs and validated before shipping.
• 12-month warranty on all components

NOTE: This cable will not work by itself. You will need part number BYPASS-MAIN for this cable to function properly. Our unique design allows you to purchase this main cable first, then purchase the "ends" that you need to connect to various ECMs.

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