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Vehicle Info NeededEFI Wiring Harness 1986-1995 Ford 5.0L HO (Mass Air Flow)
Ships on Sep 14, 2026
Lowest Price Guarantee- Single, lightweight harness streamlined for performance (plugs directly into the stock computer with no additional reprogramming required)
- For installation of the popular Ford 5.0L HO with EFI and MAF into any project vehicle
- Harness includes factory connectors, terminals, and color-coded wire
- Standard length harness allows 4 ft.from the back of the intake manifold to where the fuse block and ECM mount (perfect for those who plan to mount these components under the dash or in the glove box)
- Harness does not include any components related to emissions or automatic transmissions
Painless Ford Fuel Injection Harnesses are for installation of the popular Ford 5.0 HO Mass Air Flow EFI engine into any project vehicle. Harness comes complete with factory connectors, terminals, color coded wire and plugs directly into the factory ECM. This standard length harness allows four feet from the back of the intake manifold to where the fuseblock and ECM mount. Perfect for those that plan to mount these components under the dash or in the glove box. Harness does not include any emissions or automatic transmission related connections.
You must use the 1986-1993 MAF, Distributor, and ECM. 1986-89 1/2 must add a MAF (mass air flow)
sensor. Harness can be used on 1994-95, but must modify TPS wiring and change distributor.
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Each Kit Includes:
- All new fuel injection harness with OEM fitment connectors and harness breakouts
- Diagnostic connector and check engine light
- Crimp-on terminals, rubber grommet
- Mounting hardware
- Installation manual
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