Mercury – 3-Pin Extension Harness (5 ft) | Rigging Accessory | 84-8M0191743

Overview
This 5-foot extension harness gives you just a bit more reach between the rig center’s 3-pin steering breakout and the electric steering actuator. It’s helpful when the original lead comes up short or when you want a cleaner, gentler wiring path. Each actuator uses its own harness, which keeps the wiring relaxed instead of stretched tight. With a smoother run, steering often feels more settled during slow maneuvers.

Key Features
 • 5-Foot Extension – Extra length for short routing gaps.
 • 3-Pin Plug – Connects directly to the steering breakout lead.
 • Electric Steering Use – Made for Mercury electric steering setups.
 • One Per Actuator – Each actuator needs its own extension.
 • OEM Marine Wiring – Built to handle vibration, spray, and daily wear.

Engine & Boat Compatibility
 • Electric steering actuators
 • Digital Throttle and Shift
 • SmartCraft systems
 • Single- and multi-station layouts

Performance & Practical Benefits
With the added length, you can route the harness in a natural path instead of forcing sharp bends or tight loops. That keeps the wiring from being stressed and helps the actuator receive a steady signal. It’s a small change, but it often leads to smoother steering around docks and during slow adjustments.

Why Buy OEM
OEM harnesses fit the connectors properly and use durable, marine-grade materials. They’re less likely to corrode or loosen over time, and they help the steering system avoid the electrical quirks that cheaper wiring can introduce.

FAQ
Q1: When would I need this extension?
A: Anytime the 3-pin steering lead doesn’t comfortably reach the actuator.

Q2: Do I need one for each actuator?
A: Yes—every actuator uses its own extension.

Q3: Is it okay for saltwater?
A: Yes. Just rinse and keep the connectors clean.

Q4: What should I check before installing?
A: Make sure the routing path is smooth and free of sharp edges.

Q5: What if the steering still feels off afterward?
A: That usually points to calibration or another wiring issue, not this harness.