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  • Holley EFI
  • Painless Wiring

Engine Wiring Harness

Painless Wiring 

CSI Universal Engine Harness

1 Parts

CSI Universal Engine Harness
  • Universal Weatherproof Engine Harness
  • Wiring From The Engine To Gauge Cluster Is Included

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Painless Wiring 

Engine Wiring Harness

3 Parts

Engine Wiring Harness
  • Facilitates The Transplant Of A Cummins Diesel Engine
  • Manual Transmission ONLY
  • See catalog Or Website For Further Information
  • Rugged Busman Weatherproof Electrical Center
  • Ready For The Harsh Environment Of A Diesel Engine Compartment

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Holley EFI 

Holley EFI Engine Main Harness

1 Parts

Holley EFI Engine Main Harness
  • Designed For Use With Fuel Injected Small Block Ford Engines/Such As 5.0L Or 5.8L Windsor Powerplants
  • Plug And Play Ignition Capability With Dual Sync And Hyperspark Distributors
  • Compatible With Holley EFI Dominator/HP And Terminator X And X Max ECUS
  • Comes Pre-Terminated With Ford PWM IAC Connector
  • For Use With Oem Ford Fuel Injectors - Use Injector Harness 558-209

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  • Plug And Play Connection
  • Connectors Are Labeled For Easy Identification
  • Terminated With TPS/IAC Connectors
  • Pre-Terminated For Datalogging/Gauge Monitoring
  • Two CAN Connectors For Optional Accessories
  • Power Tap Connector For Additional Power/Grounds

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  • Plug And Play Connection
  • Connectors Are Labeled For Easy Identification

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Holley EFI 

Holley EFI LS Main Harness

2 Parts

Holley EFI LS Main Harness
  • Plug And Play With Dominator/Hp/Terminator X And Terminator X Max ECUs
  • Designed For Use On 24x/1x And 58x/4x LS Engines
  • 22 in. Longer Than Previous Harnesses
  • Relay Breakout Is Also Moved Back From 19 in. To 43 in. From The ECU Connector
  • Extended Length Allows You To Mount The ECU In A Wide Variety Of Locations

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Holley EFI 

TI-VCT Harness Kit

1 Parts

TI-VCT Harness Kit
  • Plug-N-Play w/Dominator Or HP ECU And CoyoteTi-VCT Controller
  • Connectors Are Labeled For Easy Identification
  • Terminated With Ford TPS/IAC Connectors
  • For DBW To Cable Driven Throttle Body Conversions
  • PowerTap Connector For Powers/Grounds For Extra Sensors/Solenoids
  • CANBus Communication For High Speed Data Trans/Diagnosis
  • Optional Fuel And Oil Pressure Transducer Connectors
  • Pre-Terminated For Datalogging Or Gauge Monitoring

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  • Pre-Terminated J1A and J1B Tyco Superseal Connectors
  • 60 Holley Crimped Wires (57x 20 ga; 3x 18 ga)
  • 15 ft. Long Flying Lead Harness
  • Allows Completely Customize Your Main Harness Installation

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UpCountry Fab & Performance