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

🚤 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

🔄 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

📦 Condition

• Genuine Mercury / Quicksilver part
• Brand new
• Supplied in original or equivalent packaging