# 278002789 Seadoo Steering Harness | Genuine Used Part

🔧 Product Description

  

Genuine Sea-Doo Steering Harness - Part Number: 278002789

  

This genuine Sea-Doo steering harness is used in the handlebar electrical system on selected Sea-Doo performance personal watercraft. It is the OEM steering harness that connects handlebar controls and steering-area electrical components to the main craft electrical system.

  

⚙️ Key Features

  

• Genuine Sea-Doo steering harness

• OEM part number 278002789

• Factory handlebar / steering electrical harness

• Connects steering controls to the main electrical system

• Direct-fit OEM electrical component for selected RXP-X and RXT-X steering assemblies

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• No available supersession chain

  

OEM / Related Numbers:

  

• 278002789

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Sea-Doo electrical harness steering assemblies

  

Typically suits:

  

• Engine models:

• 2010 RXT-X 260 — Steering / D.E.S.S. Wiring Harness

• 2011 RXT-X 260 & RS — Steering / D.E.S.S. Wiring Harness

• 2012 RXP-X 260 & RS — Electrical Harness - Steering

• 2012 RXT-X 260 & RS — Electrical Harness - Steering

  

• HP Range: 260HP

• Engine Type: Sea-Doo 4-TEC Electrical Harness / Steering Control System

• Year Range: Approximately 2010 - 2012

  

🔌 Function

  

The steering harness carries electrical signals between handlebar controls, steering-area switches and the craft's main electrical system.

  

Common signs of failure:

  

• Intermittent switch operation

• Broken or damaged wiring

• Connector faults

• Loss of control input signals

• Electrical shorts or open circuits

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 187.5 AUD
- **Vendor:** Sawley's Auto and Marine
- **Tags:** Sawley’s AAM Used Parts – Sea-Doo Parts | Jet Ski Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 187.50 AUD | In stock |

## Images

- 278002789 Seadoo Steering Harness | Genuine Used Part
- 278002789 Seadoo Steering Harness | Genuine Used Part
- 278002789 Seadoo Steering Harness | Genuine Used Part
- 278002789 Seadoo Steering Harness | Genuine Used Part
- 278002789 Seadoo Steering Harness | Genuine Used Part
- 278002789 Seadoo Steering Harness | Genuine Used Part
- 278002789 Seadoo Steering Harness | Genuine Used Part
- 278002789 Seadoo Steering Harness | Genuine Used Part
- 278002789 Seadoo Steering Harness | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/278002789-seadoo-steering-harness-genuine-used-part)
> Updated: 2026-07-02