Ignitions and Electrical› Wiring Harnesses

EFI Connection

LT1 Engine Harness for Holley EFI

$850.00

SKU: 100-05000

In Stock
In Stock
Ships by Jul 29
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The EFI Connection 100-05000 is a direct-fit engine harness designed for 1993-1997 Camaro and Firebird models with an LT1 engine, intended for use with Holley EFI ECUs. This harness integrates EV1 injector wiring and follows the LT1 engine layout for a precise fit within the engine bay.

Fitment

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Specifications

BrandEFI Connection
Part Number100-05000
CategoryIgnitions and Electrical

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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