• Holley Engine Harnesses 558-433 Item Image
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Holley EFI

Holley Digital Dash I/O Adapter with unterminated Vehicle Harness

Holley Digital Dash I/O Adapter with unterminated Vehicle Harness

sku: 1D699 | mpn: 558-433
$429.54
$429.54
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Emissions

This is not an emissions item.
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I/O Adapter w/Unterminated Vehicle Harness

Features:
  • Provides ten addiitonal inputs/outputs to the 7" digital dash
  • Brings out connections to a waterproof 26 pin connector similiar to ones used on EFI units
  • Item includes USB memory stick to update digital dash firmware that supports adapter
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