Mercury – Trim All Harness Adapter | DTS Trim-All Connector | 84-8M0163379

Overview
This adapter gives you a simple, no-hassle way to hook a trim-all switch into a DTS setup. It plugs in as a small in-line connector so you don’t have to splice wires or build your own workaround. If your boat needs a clean link between the trim-all button and the DTS harness—especially on rigs that have been updated or rewired over the years—this adapter keeps everything tidy and working the way it should.

Key Features
• Trim-All Adapter – Links a trim-all switch directly into the DTS trim circuit.
• Plug-and-Go Design – No cutting, no custom jumpers.
• OEM Connectors – Factory ends that lock in tight.
• Small Footprint – Easy to fit behind crowded helm panels.
• Steady Signal Path – Helps trim-all react evenly.

Engine & Boat Compatibility
• Digital Throttle and Shift
• Trim-all switch circuits
• Works with single- or multi-engine DTS setups

Performance & Practical Benefits
With the right adapter in place, the trim-all button feels consistent and responsive. You’re not dealing with lag, uneven trim movement, or messy wiring stuffed behind the dash. It also makes any future troubleshooting a lot easier since everything is plugged in the way Mercury intended.

Why Buy OEM
OEM adapters follow Mercury’s wiring layout exactly and hold up to vibration, heat, and spray. The connectors fit clean and stay put—no random trim glitches or loose plugs.

FAQ
Q1: When do I actually need this adapter?
A: Anytime you’re adding a trim-all switch or reconnecting one on a DTS boat and want the wiring done cleanly.

Q2: Any setup or programming required?
A: Nope—plug it in and the system recognizes it automatically.

Q3: Saltwater friendly?
A: Yes. Just rinse now and then and keep the connector dry.

Q4: Any installation tips?
A: Give it a little slack and avoid sharp corners so the connector isn’t stressed.

Q5: What are early signs of wear?
A: Slower trim-all response, occasional dropouts, or a connector that feels loose.