Holley EFI 558-490 Engine Control Module Wiring Harness
Holley EFI 558-490 Engine Control Module Wiring Harness
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Holley Sniper EFI

Holley EFI 558-490 Engine Control Module Wiring Harness

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Key item features

  • Core Wiring: Includes a 5-foot, 12-gauge main battery power wire and a 5-foot, 12-gauge main battery ground wire for essential electrical connections.
  • Integrated Protection: Features a 30A fuse with a cover and mounting tab, alongside a 40A 5-pole relay with a mounting tab for secure installation.
  • Fuel Pump Circuitry: Incorporates a 20-foot, 12-gauge fuel pump 12V power wire, facilitating the fuel pump's electrical supply.
  • Signal Connections: Provides a 3-foot, 20-gauge crank signal positive wire, a 3-foot, 20-gauge crank signal negative wire, and a 3-foot, 20-gauge coil input wire.
  • Ignition Power: Equipped with a 5-foot, 20-gauge switched 12V ignition wire for controlling ignition power.
  • Protective Loom: Comes with 6 feet of 3/8-inch black braided split wire loom to protect the wires and maintain a tidy engine bay.
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Current price is $152.05
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Columbus, 43215
Arrives by Thu, Feb 26
Sold and shipped by Walmart.com
Free 90-day returns
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