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Bench Calibration Harness
Diagnostic EquipmentsVista rápidaBench Calibration Harness (8 pines connector)
The 8-pin base bench harness is the foundation of your bench calibration setup. This plug-and-play harness connects to the vehicle diagnostic port and provides 12V power to run the system, so you can bench test, program, and diagnose any supported ECM off the truck.
This version reads:
– SAE J1708 / J1587 protocol
– SAE J1939 protocol – CAN: 250KAlso known as a bench calibration base or diagnostic bench harness. This is the connector 8-pin version.
Need J1939 CAN at 500K or 667k? See our 12 pin base bench harness.
Non-Returnable
Non-Cancellable
(0 reviews)- Diagnostic EquipmentsVista rápida
Supply Power Harness
Supply Power Harness standard applicable to all bench harness. New Harness.
Non-Returnable
Non-Cancellable
(0 reviews) 
Diagnostic EquipmentsVista rápidaBench Calibration Harness (12 pins connector)
This plug-and-play harness connects to the vehicle diagnostic port and provides 12V power to run the system, so you can bench test, program, and diagnose any supported ECM off the truck.
In this version, the diagnostic connector uses 2 additional pins — all 9 spots positions are filled— and the previous 8-pin connector has been upgraded to a 12-pin connector. This lets the harness read:
– SAE J1708 / J1587 protocol
– SAE J1939 protocol – CAN: 250K, 500K , and 667K (ISO-15765)Also known as a bench calibration base or diagnostic bench harness. This is the 12-way (12-pin) version.
Only need J1939 CAN at 250K? See our 8-pin base bench harness.
Non-Returnable
Non-Cancellable
(0 reviews)- Diagnostic EquipmentsVista rápida
VGT ISX Bench Harness
VGT ISX EGR Bench Harness. New Harness.
Non-Returnable
Non-Cancellable
(0 reviews) - Diagnostic EquipmentsVista rápida
VGT ISB Bench Harness
VGT ISB EGR Bench Harness. New Harness.
Non-Returnable
Non-Cancellable
(0 reviews)
How does the base bench harness work with ECM jumpers?
The base bench harness is the foundation of the system — you buy it once. It connects to the diagnostic port on one end, and the ECM jumper harness for your specific engine connects the base to the ECM on the other. One base harness works with every ECM jumper (Cummins, Detroit, Paccar and more), so you only add the jumper that matches the ECM you are testing.
What can I do with a bench harness setup?
With a base bench harness and the matching ECM jumper for your engine, you can power an ECM on the bench, verify communication, read and clear fault codes, program or tune the module with software like JPRO or INSITE, and confirm whether an ECM is faulty before installing it — all without the engine present.
