Holley 558-475 GM PWM Alternator HarnessFor use with 2007+ PWM GM Alternators. Part Number: 558 475 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. Features and Benefits Plug and play with Holley EFI and Terminator X main harnesses 2007+ PWM GM alternators Use with late model OEM alternators Include detailed instructions for installation and software configuration
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product description
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For use with 2007+ PWM GM Alternators.
Part Number: 558-475
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.
Features and Benefits
• Plug and play with Holley EFI and Terminator X main harnesses • 2007+ PWM GM alternators • Use with late model OEM alternators • Include detailed instructions for installation and software configuration