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(Please see description regarding individual product specifications)
This is a bypass breakout cable used to connect to CAT 40 Pin ECM engines.
This cable is used on "older" CAT engines, which includes the 3406E, C-10, C-12, and more. 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.
If your engine serial number is not listed, please call or email us so we can verify for you. If you look at your ECM, and it has 40 pins, this cable will work.
Note: This cable also requires our Main Bypass Programming Cable to connect to the ECM. Our unique design allows you to purchase this main cable first, then purchase the "ends" that you need to connect to various ECMs.