EFI System Harness – Precision Wiring Solution for Electronic Fuel Injection Systems

Engineered for Performance: Reliable Sensor & Actuator Integration in Modern EFI Systems

Key Features

Precision-Designed for EFI Compatibility

• Fully compatible with popular EFI platforms (e.g., Haltech, Motec, AEM, Holley, Megasquirt, Bosch, Delphi)
• Pre-configured connectors for common OEM and aftermarket sensors/actuators

High-Grade Materials & Construction

• Oxygen-free copper conductors for low resistance and superior signal integrity
• High-temp TXL or GXL wire (rated up to 125°C / 257°F)
• Abrasion-resistant braided sleeving + heat-shrink labeling for protection and organization
• Automotive-grade sealed connectors (Deutsch, AMP, Molex, or OEM-specific)

Comprehensive Signal Support
Integrates critical EFI components including:

• Crankshaft & camshaft position sensors
• MAP, MAF, IAT, and coolant temperature sensors
• Oxygen (O2/lambda) sensors
• Fuel injectors, ignition coils, idle air control valves
• Throttle position sensor (TPS) and electronic throttle bodies
• Boost control solenoids and fuel pressure regulators

Customization & Flexibility

• Available in universal base layouts or fully custom designs
• Tailored pinouts, lengths, and connector types per your ECU and engine setup
• Color-coded circuits for easy installation and troubleshooting

 Ideal Applications

• Engine swaps (LS, Coyote, K-series, etc.) into classic cars or kit vehicles
• Racing & motorsport builds requiring reliable, lightweight wiring
• EFI retrofits on carbureted engines
• Prototyping and R&D for engine development
• Restoration projects needing modern fuel injection reliability

 Why Choose Our EFI System Harness?

• Plug-and-Play Ready: Minimizes wiring errors and installation time
• Factory-Level Quality: Hand-assembled with professional crimping and testing
• Vibration & Heat Resistant: Designed to withstand under-hood conditions
• Technical Support Included: We help match harness to your ECU and engine
• Made by EFI Specialists: Developed by engineers who build and tune performance engines

 What’s Included

• Main EFI harness with labeled branches
• Connector kits (if not pre-installed)
• Mounting hardware & zip ties
• Wiring diagram & pinout documentation
• Optional: ECU breakout board or adapter sub-harnesses

 Upgrade Your Engine Management with Confidence

Whether you’re converting a vintage muscle car to fuel injection or building a track-ready race engine, Danyang Winpower EFI System Harness delivers the reliability, clarity, and performance you need—without the guesswork of DIY wiring.

Contact us today with your ECU model and engine type—we’ll build the perfect harness for your project!