21547101 Wiring Harness | Genuine Volvo Penta Part

🔧 Product Description

A complete factory-terminated wiring harness used in a serial-specific Volvo Penta marine or industrial engine electrical system.

⚙️ Key Features

• OEM connector and pin arrangement
• Engine-compartment-rated cable insulation
• Protected branch routing
• Carries power, sensor and actuator circuits
• Designed for the assigned Volvo Penta control-system generation

🔌 Function

The harness distributes electrical power and communication signals between the engine sensors, actuators, control module and external vessel or machine interface.

⚠️ Common Signs of Failure

• Multiple intermittent fault codes
• No-start or engine shutdown
• Sensor readings changing when the harness is moved
• Corroded or pushed-back connector pins

🛠️ Service Notes

• Compare the new harness with the old one before fitting — check the connector types, the number of pins and the branch lengths, and lay it out alongside the old loom to confirm every branch reaches its component
• Disconnect the batteries before unplugging or fitting a harness, and support the loom as you work so its weight never hangs on a connector or a bulkhead grommet
• Route it along the original path and secure it with the original clips and ties, clear of hot exhaust surfaces, sharp edges and anything that moves; leave a service loop at each connector rather than pulling a branch tight
• Push every connector home until the lock latches and protect the joints with a marine dielectric grease — an intermittent electrical fault is far more often a partly seated or salt-corroded pin than a broken wire
• Renewing the harness is the right repair where insulation is chafed, brittle or oil-soaked, or where corrosion has tracked inside the connector bodies; patch repairs in a damp engine bay tend to fail again, and any single conductor that is repaired should be joined with tinned marine cable of the same gauge, a proper crimp and adhesive-lined heat-shrink

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 21547101 → Supersedes 20760192

OEM / Related Numbers

• 20760192 earlier number superseded by this part

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging