This harness allows the LS2 cam sensor on the front of a LS2 motor to be plugged into the LS1 cam sensor connector located at the back of the intake manifold. This harness is perfect for LS2 motor conversions. Compatible with the PCM harness in LS1 Corvette and F-Body cars. PLEASE NOTE THIS HARNESS IS DESIGNED TO PLUG INTO THE SMALL PIGTAIL USUALLY SUPPLIED WITH THE LS2 SENSOR AND BRACKET ASSEMBLY.