D & B-Series Budget OBD1 Tucked Engine Harness Kit EG EK

Looking for a clean, simplified wiring solution for your engine swap? Our Wire-Tuck Engine Harness is designed for a clean bay appearance, reliable performance, and an easier installation experience. Built using new high-quality connectors and automotive-grade wiring, this harness is routed to stay discreet in the engine bay, delivering the sought-after tucked-wire aesthetic without unnecessary complexity. Installation is approximately 95% plug-and-play—simply connect, route, and go.

Note: Charge harness is not included and must be run separately. Requires high-impedance injectors and is not compatible with resistor boxes. 

What’s Included

• 1x Wire-Tuck Engine Harness
• Injector connector of your choice (select from dropdown)
• Sub Harness of your choice (select from dropdown)

Connector Specifications

• Injector Connector: Select from dropdown
  
• Sub Harness: Select from dropdown
• Alternator Connector: OBD1 style
• Distributor: OBD1 style

Connector Label Reference

• FAN – Radiator Fan Switch
• VSS – Vehicle Speed Sensor (Transmission)
• GND – Chassis Ground
• DIS – Distributor
• REV – Reverse Lights
• ECT – Engine Coolant Temperature Sensor
• VTS – VTEC Solenoid
• H2O – Coolant Temp Sender for Cluster
• ST – Starter Trigger
• 1–4 – Injectors
• O2 – Oxygen Sensor
• ALT – Alternator
• KS – Knock Sensor
• OIL – Low Oil Pressure Warning
• IAT – Intake Air Temperature Sensor
• TPS – Throttle Position Sensor
• IAC – Idle Air Control Valve
• MAP – Manifold Absolute Pressure Sensor
• EXTRA – AUX wires (can be pinned for boost-by-gear, additional sensors, etc.)

Budget-Friendly Harness Option

This harness was developed as a cost-effective solution for enthusiasts who want a clean, swap-ready wiring kit at a more accessible price point. It uses durable automotive wiring with a slightly lower heat rating than our premium variant, while still offering dependable performance for street and weekend track applications.

If you are doing an engine swap, want that tucked engine bay look, and prefer a budget-conscious, functional harness without unnecessary extras, this kit is an excellent choice.