Mercury – VesselView 70x Power Harness | SmartCraft Power & Data Harness | 84-8M0111668

Overview

The Mercury VesselView 70x Power Harness (84-8M0111668) supplies power and SmartCraft data from your boat’s junction box to one or more VesselView 70x displays. It’s the connection that keeps your system alive — delivering clean power and reliable engine information to your screens. This harness is included in complete VesselView 70x kits, but it’s also available separately for replacement or expansion setups.

Key Features

• SmartCraft Power & Data Harness – Carries both power and SmartCraft information from the junction box to VesselView 70x displays.
• Multi-Display Capability – Designed to power multiple 70x units from a single J-box source.
• OEM Integration – Works seamlessly with Mercury SmartCraft systems and harnessing layouts.
• Reliable Power Delivery – Ensures stable voltage and data transfer for consistent display performance.
• Durable Marine-Grade Construction – Built to handle vibration, moisture, and salt exposure.
• Easy Installation – Plug-and-play fit with Mercury J-box and VesselView connections.
• NMEA2000 Support – VesselView 70x displays receive engine data via NMEA2000 once powered through this harness.

Compatibility

• Fits: Mercury VesselView 70x displays (703, 702, 701)
• Systems: SmartCraft networks with junction box connections

Performance & Practical Benefits

This harness keeps your VesselView 70x displays powered and connected to the network. It’s a plug-in solution for multi-display setups, pulling clean power straight from the junction box. Once connected, your NMEA2000 system takes care of data distribution, keeping all displays synchronized and responsive. It’s simple, reliable, and built to last — exactly what you want behind the dash.

Why Buy OEM

Mercury wiring is engineered to match its electronics perfectly. Every connector, pin, and wire gauge is spec’d for SmartCraft and NMEA2000 performance. With genuine Mercury harnessing, you get reliable connections, proper shielding, and the peace of mind that comes from OEM quality.

FAQ

Q1: What does this harness do?
It supplies power and SmartCraft communication from the junction box to your VesselView 70x displays.

Q2: How many displays can it power?
It can power multiple VesselView 70x displays from a single J-box source.

Q3: Does it include NMEA2000 data?
No — NMEA2000 carries data separately once the displays are powered through this harness.

Q4: Is it included with new VesselView 70x kits?
Yes — it’s part of the full kit but can be purchased individually for replacements or upgrades.

Q5: Is it an OEM Mercury harness?
Yes — this is a genuine Mercury Marine harness, made to factory specifications.