S13 240sx KA24DE Wiring Harness | Wiring Specialties This harness is specifically engineered for a USDM LHD S13 Nissan 240sx (89-94) with the USDM S13 KA24DE Dual Overhead Cam (91-94) engine. It was developed in house on an actual S13 KA24DE engine in an S13 240sx chassis to ensure a perfect fit to all engine connections. Nissan 240sx S13 Wiring Harnesses - Wiring Specialties S13 KA24DE Wiring Harnesses; Nissan 240sx S13; Nissan 240sx S13. KA24DE Wiring Harness COMBO for S13 240sx - OEM SERIES. $493 $449 USD. Choose Options. S13 KA24DE Wiring Harness for S13 240sx - PRO SERIES. $660 $629 USD. Choose Options. S13/S14 KA24DE Knock Sensor Harness - PRO SERIES.