Painless Wiring Fuel Injection Wiring Harness Kit

Painless Performance fuel injection wiring harnesses are the trusted solution for enthusiasts, street rod builders, engine swappers, and professional installers who demand a clean, reliable EFI wiring installation. Engineered to take the complexity out of fuel injection conversions and engine swaps, these harnesses deliver everything needed to get a standalone EFI system up and running with confidence.

Key Features:

• OEM-Quality TXL Wire: Built with high-grade TXL (Thermal Cross-Linked) automotive wire rated for high engine compartment heat, meeting or exceeding original equipment specifications
• Color-Coded and Labeled: Every harness features color-coded, numbered wiring with printed wire tags on all connectors and open-ended wires for straightforward, error-free installation
• Genuine OEM-Style Connectors: Pre-terminated with genuine original equipment-style connectors for reliable, trouble-free connections to engine management components
• Integrated Fuse Block and Relay Protection: Each harness incorporates a dedicated fuse block with ignition relays and circuit protection to safeguard all EFI system circuits
• Standalone Design: Designed as a dedicated standalone harness to operate the engine and transmission independently, making them ideal for engine swap and EFI conversion applications
• 100% OmniScanner Tested: Every fuel injection harness is 100% quality-tested on OmniScanners before leaving the facility to verify circuit viability and connection integrity
• Comprehensive Instructions Included: Detailed installation instructions and wiring diagrams are included with every harness to guide installers through the process
• American-Sourced Materials: Painless Performance sources materials exclusively from American vendors to ensure consistent quality across the entire product line

Painless Performance has been the performance wiring industry's benchmark for decades, and their fuel injection harness line reflects that expertise. Whether tackling a classic GM TPI system, an LS engine swap, a Ford 5.0 EFI conversion, or any other standalone EFI project, Painless harnesses simplify the installation process while delivering the durability and reliability that professional builders and weekend enthusiasts demand. Backed by Painless Performance's renowned technical support team, these harnesses make EFI wiring accessible to builders of all skill levels.