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Holley EFI Gen III Hemi Main Harness, Early, w/ TPS and Idle Air Control Connections 558-115

Holley EFI Gen III Hemi Main Harness, Early, w/ TPS and Idle Air Control Connections 558-115
Holley EFI Gen III Hemi Main Harness, Early, w/ TPS and Idle Air Control Connections 558-115
$1,047.99 ea
NEWARRIVING SOONEstimated Ship Date 03/18/2024 (If Ordered Today)10 Available from HOLLEY PERFORMANCE PRODUCTS as of 02/23/2024
Model: 4007774
STANDARD
DELIVERY
Gen III HEMI Harness with TPS and Idle Air Control Connections. This wiring harness interfaces a Holley EFI ECU to a Gen III HEMI engine with an aftermarket cable actuated throttle body. It is meant to be used in conjunction with an injector harness, a coil harness, and two ignition modules. Most stock sensors are used with this harness. There are two optional connectors for interfacing with CAN-based Holley modules.
Features:
  • Gen III Hemi Main Harness with IAC motor wiring/connector and TPS wiring/connector for a manual throttle body application
  • Take control of your Gen III HEMI with Holley EFI by controlling fuel and spark. Great for power upgrades and engine swaps.
  • Capable of tuning with power adders such as nitrous, superchargers or turbos and compatible with methanol and water injection
  • Harnesses are available to connect to a Gen III HEMI engine for the most advanced fuel and timing controls available
  • Each Harness is designed in fit and function specifically for the Gen III HEMI engine platform
  • All wiring is TXL grade copper wiring with minimal weight, high temp sleeve in a small diameter
  • Factory style terminations provide a strong, secure connection
  • Connectors are OEM grade for a correct, positive fit
  • Each harness is routed through a split-loom braid for protection and great looks
NOTE: The TPS and IAC connectors are designed for Holley 4 BBL style throttle bodies. If you are using a different throttle body, you may have to change the pins and connectors.
Installation Notes:
NOTE: The TPS and IAC connectors are designed for Holley 4 BBL style throttle bodies. If you are using a different throttle body, you may have to change the pins and connectors.

About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!

Downloads:

Download Name File Size
techlibrary_199r11401.pdf209.02KB
199r10909rev.pdf1.89MB
558-115_gen_iii_hemi_main_harness_diagram.pdf15.18MB

Videos:

Specifications:

Emission Code 4
Harness Application HEMI
Harness Type Main
Ignition Type GEN III HEMI
Injector Connector Not Included
Part Type Fuel Injection Harness
Product Type Hemi Main Engine Harness

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Holley EFI Gen III Hemi Main Harness, Early, w/ TPS and Idle Air Control Connections 558-115:
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