RETURNS NOT ACCEPTED for: Pigtails, Harnesses, or Extensions. These are custom built per order. Please ask any questions before ordering.


Main Power Harness 30A for Holley EFI ECUs

Part Number: AWP-6004
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This Main Power adapter harness meets or exceeds the quality within Original Equipment (OE) harnesses:
  • Assembled with the same materials found on production engine harnesses.
  • Terminals are crimped with production applicators and/or Rennsteig hand tools to exceed pull test requirements.
  • Assembled in the USA.
  • Includes 30A Fuse.
  • Constructed with 10 AWG automotive TXL wire.