# Precor EFX 576i 556i 546i Elliptical Full Data Wire Harness 44905-028 (DC389)

\# Precor EFX 576i, 556i and 546i Full Data Wire Harness 44905-028 (DC389)

The Precor EFX 576i, 556i and 546i Elliptical Full Data Wire Harness is a replacement data cable assembly for select Precor elliptical machines. This harness carries data connections within the equipment and helps the machine’s electronic components communicate correctly. If the original harness has become damaged, worn, disconnected, or no longer provides a reliable connection, this replacement part may help restore the machine’s internal data wiring.

## Product Details and Benefits

This Precor data wire harness carries the original part number \*\*44905-028\*\* and the product identifier \*\*DC389\*\*. It belongs to the \*\*Data Cables\*\* category and serves as a full data wire harness for compatible Precor EFX elliptical equipment.

A wire harness organizes multiple wires and connectors into one assembled replacement component. This design helps simplify the replacement of the original data wiring rather than requiring a customer or technician to source individual wires separately. The harness supports the machine’s internal data connections, helping components exchange information as intended when the correct replacement is installed.

Replacing a damaged data harness can help address wiring-related issues caused by broken conductors, worn connections, or other damage to the original cable assembly. The harness is intended for repair and maintenance use on compatible Precor fitness equipment. It does not function as an exercise accessory or an external computer cable; it is a machine-specific internal replacement part.

## Compatibility and Applications

The \*\*Precor EFX 44905-028 full data wire harness\*\* is listed for use with the following Precor elliptical models:

\- \*\*Precor EFX 576i\*\*  
\- \*\*Precor EFX 556i\*\*  
\- \*\*Precor EFX 546i\*\*

This part is designed to replace the corresponding full data wire harness in compatible EFX elliptical units. It is suitable for equipment repair, service work, and replacement of the original internal data cable assembly.

Because fitness equipment can vary by model version and serial range, confirm that your machine matches one of the listed EFX models before ordering. Also compare the part number on the existing harness or service documentation with \*\*44905-028\*\* whenever possible.

\## Why Choose This Replacement Harness

Choosing a part with the correct Precor part number helps reduce the risk of ordering an incompatible cable assembly. This harness gives repair technicians, equipment owners, and fitness facility operators a clearly identified replacement for the full data wiring used in select EFX ellipticals.

A correctly matched replacement harness can make the repair process more straightforward by providing the complete data cable assembly specified for the applicable machine. It also helps maintain the original wiring arrangement and supports continued service of the elliptical.

## Before You Buy

Verify the following information before placing your order:

\- Brand: \*\*Precor\*\*  
\- Equipment type: \*\*Elliptical\*\*  
\- Compatible models: \*\*EFX 576i, EFX 556i and EFX 546i\*\*  
\- Part number: \*\*44905-028\*\*  
\- Product identifier and SKU: \*\*DC389\*\*  
\- Product category: \*\*Data Cables\*\*

The available product information does not specify dimensions, wire materials, connector details, package quantity, installation instructions, warranty coverage, or condition. Review your equipment records and existing harness carefully to confirm compatibility before purchase.

## Details

- **Price:** 34.99 USD
- **Vendor:** Precor
- **Type:** Data Cables
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 34.99 USD | In stock |

## Images

- DC389
- DC389
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## Additional Information

- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/precor-efx-576i-556i-546i-elliptical-full-data-wire-harness-44905-028-dc389)
> Updated: 2026-08-29