B / D-Series Chassis Subharness – 99-00 Honda Civic EK OBD2B Swap | VTI

Clean Chassis Integration. No Interior Splicing.

The VTI B & D-Series chassis subharness provides a structured, reliable interface between your engine harness and the factory chassis wiring on your 99-00 Honda Civic EK. Proper signal routing, OEM-style connector interfaces, and labeled leads — everything you need for a clean swap without hacking up your interior wiring.

Function & Integration

• Tachometer signal routing
• MIL / Check Engine Light integration
• Vehicle Speed Sensor routing (where applicable)
• OEM-style chassis connector interface
• Labeled ECU-side leads for simplified installation

Compatible with OEM ECU setups and most standalone configurations when paired with the appropriate engine harness.

Construction Tiers

• Street-Spec — TXL automotive-grade wire, OEM-style connectors, reliable street and performance use
• Mil-Spec — Mil-spec Tefzel wire, OEM-quality connectors and terminals, increased heat resistance and long-term durability

Both options maintain full plug-and-play compatibility with VTI B/D-Series engine harnesses.

Engine Compatibility

• B16, B18, B20
• D15, D16

Note: Chassis integration subharness only. Main engine harness sold separately.