03-07 LS Drive-By-Wire Standalone Harness

2003–2007 LS Drive-By-Wire Standalone Harness (4.8 / 5.3 / 6.0)

Our simplified standalone harness for 2003–2007 GM LS drive-by-wire engines is designed for quick, clean swaps with minimal wiring required. Built using all-new wiring and connectors, this harness makes installation straightforward and reliable.

With only a simple 2-wire connection, this harness keeps LS swaps clean, simple, and dependable.

Features & Compatibility

• Fits 2003–2007 GM  LS engines
  (4.8L, 5.3L, 6.0L)
• Designed for electronic drive-by-wire throttle bodies
• Compatible with green/blue PCMs
• Supports factory DBW accelerator pedal assemblies (TAC MODULE REQUIRED)
• Built with GM Delphi connectors and TXL high-temperature wire

Installation Notes

• Simple 2-wire hookup
• Intended for off-road use only

⚠️ Tuned ECM sold separately.

Questions or custom needs? Reach out — we’re happy to help.