The Kustom Truck Cat ECM Jumper works with the 70 Pin (ADEM2000/3) engine electronics. The jumper harness plugs into the base bench harness at the bulkhead connector breakout with a Deutsch, 21 pin male connector. The other end of the harness plugs directly into Cat 70 Pin ECM.
In addition to this ECM Jumper you will need to select the Base Harness and appropriate Battery and Throttle Jumpers and to have a complete system.
NOTE: This particular ECM Jumper works with Caterpillar engines utilizing ADEM2000/3 (70 Pin) engine electronics.