Mar 30, 2020 · Wiring Harnesses for Fuel Injected GM / Chevrolet engine swaps - Stand Alone Wiring Harness for Gen I small block Fuel Injection, Gen II, Gen III and Gen IV LS-3 and Vortec V8 applications - Throttle Body, Tuned Port, LT-1, LS-1 and Ls-x Vortec Fuel Injected engines, including LS-2, LS-6, 5.7 and 6.0, and 4.8 / 5.3 / 6.0 / 8.1 Vortec, and Direct Injection GM car, truck and SUV engines, 2014 to ... e40 ecu, Details about E40 Engine Control Module ECM Pigtail J1 X1 GM 6.0L LS2 (05-06 GTO) 5.0 average based on 1 product rating. 5. 5 Stars, 1 product rating 1. 4. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. If using a 58x Engine (LS3, etc) then a Lingenfelter Crank Signal Converter box is required so the 411 PCM (Red/Blue Connectors) can be utilized. The factory E38 or E67 controller does not have the ability to operate a cable throttle body. If using a 24x LS2 no converter box is required, however a 411 PCM (Red/Blue Connectors) is required.