Mercury – Engine to Vessel Interface Panel Extension Harness 15 Foot | Sterndrive Harness Extension | 84-879312T02

The Mercury Engine-to-Vessel Interface Panel (VIP) Extension Harness is designed for diesel sterndrive installations where the vessel interface panel is mounted a significant distance from the engine. It provides a factory-correct extension between the engine and VIP without cutting, splicing, or modifying original wiring.

The 15-foot length supports wide-beam boats and deeper engine rooms where standard harnesses are too short. It allows clean, relaxed routing through the engine compartment while maintaining stable and reliable engine data communication.

Key Features

• Engine-to-VIP Extension Harness – Extends communication between diesel engine and vessel interface panel
• 15-Foot Length – Designed for extended routing between engine and interface panel
• Non-DTS Sterndrive Compatible – Built specifically for Mercury diesel mechanical sterndrive systems
• OEM Mercury Connectors – Ensures proper fit and consistent signal transmission
• Marine-Grade Construction – Resists vibration, heat, and moisture in engine-room environments

Engine & Boat Compatibility

• Mercury Diesel 2.0L engines
• Mercury Diesel 2.8L engines
• Mercury Diesel 4.2L engines
• Mechanical (non-DTS) control systems
• Diesel sterndrive applications

Important Notes

• Designed specifically for non-DTS diesel sterndrive systems.
• Use only when additional distance is required between engine and VIP.
• Do not splice or modify factory wiring when installing this extension.
• Ensure connectors are fully seated and routing avoids sharp bends or pinch points.

FAQs

1) What does this harness connect?
It extends the connection between the diesel engine and the vessel interface panel (VIP).

2) Is this harness compatible with DTS systems?
No. This extension harness is intended for non-DTS diesel sterndrive applications only.

3) Why use an OEM extension harness instead of splicing wires?
OEM harnesses maintain correct shielding, pin alignment, and signal quality, helping reduce communication errors and long-term wiring issues.

4) When is a 15-foot harness recommended?
It is commonly used on wide-beam boats, deeper engine rooms, or installations where the VIP is mounted farther from the engine.

5) Does this replace the original engine harness?
No. It extends the existing harness without replacing or altering factory wiring.