Engine installation harness for installing a Cummins ISX engine (CM870 engine electronics) into a Pre-NAMUX 1999-2003 Kenworth truck with Detroit Diesel Series 60 DDEC3/4 chassis electronics.
NOTE: This harness is only compatible with a Cummins ISX CM570 based Kenworth Pre-NAMUX (analog) electronics chassis. If you are uncertain of your exact chassis electronics please call for fitment confirmation.