# 8M0077125 Mercury MerCruiser Mercury DTS Link Harness | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine Mercury SmartCraft DTS Link Harness 20 ft - Part Number: 8M0077125

  

A genuine Mercury SmartCraft DTS link harness used to connect multiple Digital Throttle & Shift engine systems so they can communicate with the command module. This 20 ft / 6.09 m CAN-P and CAN-H link harness is used on 2005 and newer Mercury DTS engine installations, including triple and quad engine setups where specified.

  

⚙️ Key Features

  

• Genuine Mercury / Quicksilver DTS link harness

• Correct Mercury part number 8M0077125

• 20 ft / 6.09 m harness length

• CAN-P and CAN-H data link harness

• Used for multiple DTS engine installations

• Supports triple and quad DTS system communication with the command module

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 8M0077125 current 20 ft DTS link harness reference

  

OEM / Related Numbers:

  

• 8M0077125

• Mercury 8M0077125

• Quicksilver 8M0077125

• DTS link harness 20 ft

• CAN-P / CAN-H link harness

• 10-pin DTS link harness

• Triple / quad DTS link harness

• 8M0077121 related 3 ft link harness

• 8M0077123 related 6 ft link harness

• 8M0071598 related 10 ft link harness

• 8M0077124 related 15 ft link harness

• 896206T10 related 10 ft earlier link harness reference

• 896206T15 related 15 ft earlier link harness reference

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury DTS multi-engine installations

• Mercury SmartCraft CAN-P and CAN-H network systems

• Triple and quad Digital Throttle & Shift engine setups

• 2005 and newer Mercury DTS engines where a 20 ft link harness is required

  

Typically suits:

  

• Engine / system models:

• Mercury Verado DTS installations - 2005 and newer where 8M0077125 is specified

• Mercury FourStroke DTS multi-engine installations where specified

• Mercury V6 FourStroke DTS engine systems where specified

• Mercury V8 FourStroke DTS engine systems where specified

• Mercury V10 / high-output DTS installations where specified

• Mercury Racing DTS installations where a 20 ft CAN link harness is specified

• Triple engine DTS systems requiring 20 ft link harness 8M0077125

• Quad engine DTS systems requiring 20 ft link harness 8M0077125

• SmartCraft command module installations requiring CAN-P / CAN-H link harnessing

  

• Year Range: 2005 and newer DTS systems where specified

• System Type: SmartCraft DTS CAN-P / CAN-H link harness

• Harness Length: 20 ft / 6.09 m

• Fitment Note: Match by rigging layout, helm / command module location and DTS network diagram.

  

🔌 Function

  

The harness links DTS engine systems together so SmartCraft command modules and DTS controls can communicate correctly across multiple engines.

  

Common signs of failure:

  

• DTS communication faults

• Multiple engines not communicating with command module

• SmartCraft network fault messages

• Harness damaged, cut or corroded

• Connector pins bent or water-contaminated

• Replacement required during DTS rerigging or multi-engine installation

  

📦 Condition

  

• Genuine Mercury / Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 168.2 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 168.20 AUD | In stock |

## Images

- 8M0077125 Mercury MerCruiser Mercury DTS Link Harness | Genuine Quicksilver OEM Part
- 8M0077125 Mercury MerCruiser Mercury DTS Link Harness | Genuine Quicksilver OEM Part
- 8M0077125 Mercury MerCruiser Mercury DTS Link Harness | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/8m0077125-mercury-mercruiser-mercury-dts-link-harness-genuine-quicksilver-oem-part)
> Updated: 2026-07-18