Mercury – Remote Control Ignition Choke Extension Harness | Wiring Extension | 84-17829A2

The Mercury Remote Control Ignition Choke Extension Harness is designed to provide additional wiring length between the helm control station and the engine. It is commonly used during repowers, dual-station installations, or console relocations when the original ignition and choke leads do not comfortably reach. Using a proper extension harness helps maintain clean, organized rigging without resorting to splicing or forcing wiring into place.

Maintaining properly routed wiring supports more consistent starting and choke operation while reducing strain on connectors and terminals. Routine inspection, secure fastening, and avoiding sharp bends or pinch points can help protect the harness from chafe and vibration, supporting dependable electrical contact over time in typical marine environments.

Key Features

• Ignition & Choke Wiring Extension – Provides added length for longer helm-to-engine runs
• Multi-Pin Harness Design – Intended for common mechanical remote control configurations
• Clean Rigging Support – Helps avoid tension, tight bends, or improvised wiring splices
• OEM-Style Connectors – Designed to support solid electrical contact through the circuit

Engine & System Compatibility

• Mercury outboards
• Mechanical remote control systems
• Non-ECM ignition systems
• Select two-stroke and early four-stroke Mercury platforms

Important Notes

• Confirm engine configuration, ignition type, and connector style before ordering
• Route the harness away from chafe points and secure it properly
• Allow appropriate slack for normal movement and vibration
• Verify ignition and choke operation after installation

FAQs

1) What is this ignition/choke extension harness used for?
It extends ignition and choke wiring between the control station and the engine when additional length is needed.

2) When is this harness commonly required?
It is often used during repowers, dual-station installations, or console relocations.

3) Does this harness replace original ignition wiring?
No. It is designed to extend existing ignition and choke wiring using OEM-style connectors.

4) Is cutting or splicing required for installation?
No. The harness uses factory-style connectors for direct connection.

5) Why use an OEM Mercury extension harness?
OEM harnesses are built to Mercury wiring standards and connector specifications, helping reduce poor pin contact, corrosion-related issues, and intermittent electrical behavior.