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