Mercury – Power Trim Adapter Harness | 84-898286T01

Power Trim Interface Wiring | Adapter Harness | Factory-Style Plug Connection

The Mercury Power Trim Adapter Harness is designed to bridge trim wiring connections between older Mercury outboards and newer control or trim interfaces. It provides a clean, factory-style solution when connector styles do not match, allowing trim systems to function correctly without cutting, splicing, or modifying original wiring. This makes it especially useful during repowers, control upgrades, or trim system updates.

Maintaining proper electrical connections is essential for consistent and reliable trim operation. Using a dedicated adapter harness helps prevent intermittent trim issues caused by poor contact or improvised wiring repairs. By preserving factory wiring integrity, this harness supports long-term reliability while keeping the rigging layout clean and organized.

Key Features

• Adapter Harness Design – Connects mismatched power trim wiring styles
• Plug-Style Connections – No cutting, splicing, or wire modification required
• Factory-Style Connectors – Secure electrical contact for dependable trim response

• Compact Harness Layout – Helps maintain clean and organized rigging

Engine & Boat Compatibility

• Mercury outboards with power trim systems
  
• Mechanical control system applications

• Commonly used on select 80 HP and 115 HP Mercury outboards

Important Notes

• Wiring configurations can vary by engine model and existing rigging
  
• Confirm connector style, trim system setup, and control configuration before ordering

• Proper routing and secure connections are required for reliable trim operation

FAQs

1) What is this power trim adapter harness used for?
It is used to adapt trim wiring between older Mercury outboards and newer control or trim interfaces when connector styles do not match.

2) Does this harness require cutting or modifying factory wiring?
No. It uses plug-style connections that allow installation without cutting, splicing, or altering original wiring.

3) When is this harness commonly needed?
It is often used during repowers, control upgrades, or trim system refreshes where wiring connectors differ.

4) What engines does part number 84-898286T01 work with?
It is used on select Mercury outboards equipped with power trim systems, commonly including 80 HP and 115 HP series engines.

5) Why use an OEM Mercury adapter harness instead of a universal option?
OEM harnesses are built to Mercury’s wiring standards and electrical tolerances, helping ensure reliable trim operation and reducing the risk of long-term electrical issues.