PSI - Gen 4 LS Standalone Harness (58X) DBW USCAR 6L80E

Standalone LS 58X Harness DBW

6L80E Transmission

This harness is built to retrofit Gen IV 58X LS engines with 6 speed automatic transmissions into older vehicles. Designed for a plug-and-play install, it features extended length and a sliding grommet seal for a clean, professional finish.

Parts Included:

• Complete engine and transmission wiring harness
• Instruction manual

Additional Items Required:

• E38 ECM

The harness includes connections for:

• Fuse and relay box
• Fuel pump control (relay included)
• Fan controls (relays and fuse available separately – use 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 (2 pin, WCALT40)
• (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 for 6L80E / 6L90E
• Knock sensors (WCKN040)
• Oil pressure sensor LS3 (SEN036, WC0IL40)
  

Connections from the harness you will need to hook up:

• Fuel pump
• Switched ignition power
• Malfunction indicator (CEL/MIL)
• Speedometer
• Tachometer
• Fan 1 relay control (low/single fan)
• Fan 2 relay control (high/second fan)

Additional Info:

• For retrofitting Gen 4 LS engines into non-emissions controlled vehicles
• Requires switched power, constant power, and ground connections
• Includes 4–5 feet of wire length from rear of cylinder head to PCM mounting location
• Sliding grommet for sealed firewall pass-through
• Built with GM Delphi connectors and TXL high-temp automotive-grade wire
• 100% quality inspected before shipping
• PCM must have VATs removed (available through PSI)
• DOD/AFM not supported

Photos of products are sample images. Actual product may vary.