LS2, LS3, LS7 Stand Alone Engine Harness For E40 | SSW The LS2 wire harness is ready for your consumption. Like all of our pro series harnesses, they have been tested in the field, before we sell the finished product to you. One of many attractions of the LS2 is the integration of the throttle actuator controllers (TAC) Standalone LS2 / LS3 Swap Wiring Harness | Drive by Cable Brand new Standalone LS2 / LS3 swap (drive by cable) wiring harness. No cores or modifications needed. Made in USA with a start-up guarantee.