Description
Holley EFI GM 2007+ PWM Alternator Harness 558-475
For use with 2007+ PWM GM Alternators
Plug and play Holley EFI alternator harnesses for late model engines with Pulse Width Modulated alternators. This includes most 2007+ GM engines and most 2005+ Ford engines.
- Plug and play with Holley EFI and Terminator X Main Harnesses
- Designed for use with Late Model OEM alternators
- Include detailed instructions for software configuration
