Engine installation harness for installing a Cummins ISX engine (CM2350 engine electronics) into a Pre-NAMUX 2004-2005 Peterbilt truck with Cummins ISX CM870 chassis electronics.
NOTE: This harness is only compatible with a Cummins ISX CM870 based Peterbilt Pre-NAMUX (analog) electronics chassis. If you are uncertain of your exact chassis electronics please call for fitment confirmation.
