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Detroit Diesel
Detroit DieselVista rápidaDDEC 2, 3 and 4 or 12.7L Bench Harness
DDEC bench harness for ECM DDEC 2, 3 and 4 | Detroit Diesel 12.7L. Lets you bench test, reprogram, and read or clear diagnostic trouble codes on the ECM off the truck. New harness assembled with OEM-grade components.
Non-Returnable · Non-Cancellable
(0 reviews)- Diagnostic EquipmentsVista rápida
DDEC 13 and 15 CPC 2+ and CPC 4 Bench Calibration
Detroit DD13 and DD15 bench harness for the MCM, ACM, and CPC 2+ (EPA-10) and CPC 4 (GHG-14). Connects to your bench calibration base on one end and directly to the module on the other, for bench testing, programming, and diagnostics off the truck.
Also known as a Detroit ECM Jumper Harness or bypass breakout cable.
Non-Returnable
Non-Cancellable
(0 reviews) - Detroit DieselVista rápida
DDEC 6 Bench Harness
DDEC 6 bench harness for ECM DDEC 6. New Harness.
Non-Returnable
Non-Cancellable
(0 reviews) 
Detroit DieselVista rápidaDetroit DDEC 6 CPC2 Bench Harness
Detroit DDEC 6 bench harness for the ACM (Aftertreatment Control Module), MCM (Motor Control Module), and CPC (Common Powertrain Controller).
Fits Detroit Series 60 DDEC 6 and Euro IV engines. Connects to your bench calibration base on one end and directly to the module on the other, for bench testing, programming, and diagnostics off the truck.
Also known as a Detroit ECM Jumper Harness or bypass breakout cable. Built with OEM-grade components.
Non-Returnable
Non-Cancellable
(0 reviews)- Detroit DieselVista rápida
DDEC 5 or 14L Bench Harness
DDEC 5 or 14L bench harness for ECM DDEC 5 or Detroit Diesel 14L. New Harness.
Non-Returnable
Non-Cancellable
(0 reviews) - Diagnostic EquipmentsVista rápida
DDEC 13 and 15 CPC 3 Dual Bench Calibration
Bench Calibration for DDEC 13 and 15 – CPC 3 Dual
Our CPC 3 Dual bench calibration has an additional connector (C4) that allows reading:
SAE J1708/J1587 protocol
And SAE J1939 protocol – CAN: 250K, 500K and 667K (ISO-15765)
For this CPC 3 bench, you need the calibration bench that has 12 pins connector.
Non-Returnable
Non-Cancellable
(0 reviews) - Diagnostic EquipmentsVista rápida
DDEC 13 and 15 CPC 3 Bench Calibration
DDEC 13 CPC 3 Bench Calibration
Non-Returnable
Non-Cancellable
(0 reviews) - Diagnostic EquipmentsVista rápida
Converter CPC 2+ and CPC 4 to CPC 2
Converter from “CPC 2+ – EPA 10” and “CPC 4 – GHG 14” to “CPC 2 – Euro IV “
(0 reviews) - Diagnostic EquipmentsVista rápida
Converter CPC 2 to CPC 2+ and CPC 4
Converter from “CPC 2 – Euro IV ” to “CPC 2+ – EPA 10” and “CPC 4 – GHG 14”
(0 reviews)
Which DDEC generation do I need a bench harness for?
Each DDEC generation uses different electronics, so each needs the matching bench harness. DDEC 2, 3, and 4 use a single ECM (Series 60 12.7L). DDEC 5 uses its own ECM. DDEC 6 uses the MCM, ACM, and CPC. DDEC 13 and DDEC 15 (DD13 and DD15) use the MCM, ACM, and CPC2+ or CPC4. We offer a separate bench harness for each generation — choose the one that matches your engine, or contact us if you are not sure.
When do I need a bench harness for my DDEC ECM?
A bench harness is useful when a Detroit engine shows signs of a module issue: a crank-but-no-start condition, no communication with your scan tool, engine protection or shutdown codes, intermittent shutdowns, or hard starting. Connecting the module on the bench lets you power it up, verify communication, and test it off the truck to confirm whether the module itself is the problem before reinstalling it.
