Standalone Gen 4 LSx Engine Wire Harness DBW (58X)
4L60E Transmission
Designed for Gen 4 LS swaps using 58X reluctor engines, this drive-by-wire harness supports LS2, LS3, LS7, LY6, L92, L76, LMG, and GMPP crate engines. Built for retrofitting into classic muscle cars and street rods, the harness delivers a clean, plug-and-play install with OEM-grade components and flexible routing thanks to its extended length and sliding grommet seal.
Parts Included:
- Complete engine and transmission harness
- Instruction manual
The harness includes connections for:
- Fuse and relay box
- Fuel pump control (relay included)
- Fan controls (relays sold separately – use SKU PSI-FAN)
- Check engine light
- Speedometer
- Tachometer
- OBD2 diagnostic port
- Accelerator pedal Corvette #ENG022 (WCAPP40)
- Throttle body DBW (WCTHB40)
- MAF sensor 5 wire, card style (SEN026, WCMAF41)
- MAP sensor (delphi connector, WCMAP40)
- Engine coolant temperature sensor, 2 wire (WCCTS30)
- Alternator (4 pin, WCALT30)
- (2) Black Trapezoid upstream oxygen sensors (WC0XY38)
- Crankshaft position sensor
- Camshaft position sensor
- Fuel injectors (EV6 / USCAR / WCINJ40)
- Coil packs (WCCLF30) requires 2 coil harnesses, NOT included, such as WEC0I3
- Automatic transmission control
- Knock sensors (WCKN040)
- Oil pressure sensor LS3 (SEN036, WC0IL40)
Additional Info:
- Built using brand new GM Delphi connectors and TXL high-temp wire to OEM specs
- 100% quality inspected before shipping
- Four-wire hookup: switched power, constant power, and ground connections required
- PCM must have VATs removed (available through PSI)
- Requires E38 ECM, Corvette or Vortec truck DBW pedal, and MAF sensor
- DOD/AFM not supported with this harness
- Sliding grommet allows for a professional, leak-proof install
