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Instruction Sheets for Part Number HLY-558-420
Holley Terminator EFI Wiring Harnesses
Fuel Injection System Wiring Harnesses, Holley EFI, Auxiliary Input/Output Harness, Terminator EFI, Gains 4 Inputs/1 Output, Each
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Overview
Brand:
Manufacturer's Part Number:
558-420
Part Type:
Product Line:
Summit Racing Part Number:
HLY-558-420
UPC:
090127688519
Quantity:
Sold individually.
Notes:
Harness contains four extra input wires and one extra output wire that the base Terminator EFI harness does not contain.
Holley Terminator EFI Wiring Harnesses
Holley Terminator EFI wiring harnesses are replacement throttle body wiring harnesses and engine control wiring harnesses for specific Electronic Fuel Injection kits. These relays allow you to perform functions and features that are programmed with your Holley EFI laptop software. The software also contains instructions on how to program them. Holley wiring accessories give you the expertise needed to get the job done right.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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