# 3889316 Wiring Harness Module | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta wiring harness module weighing 4.037 kg. No fitment is published against the part itself, but it is recorded against 3 applications on TAD series engines in the servicing records. It supersedes part number 3841665.

## ⚙️ Key Features

-   4.037 kg
-   Supersedes 3841665
-   Recorded against 3 applications on TAD series engines

## 🔌 Function

Brings a group of circuits together as one made-up module so the installation's wiring can be connected as a unit.

## ⚠️ Common Signs of Failure

-   Several circuits misbehaving together rather than one on its own
-   Intermittent faults that change when the module or loom is moved
-   Corroded, green or water-stained terminals inside the module
-   Scorching or heat discoloration at a terminal or fuse position
-   Circuits dead with the supply and earth proven sound at the module

## 🛠️ Service Notes

-   An older list showing 3841665 is served by this module
-   Label and photograph every connection before disturbing the old module, as few applications are published and there is little room for guesswork
-   Isolate the batteries before disconnecting anything, and check supply voltage and earths before condemning the module

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3889316 → Supersedes 3841665

### OEM / Related Numbers

-   3841665 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 5260.08 AUD
- **Vendor:** Volvo Penta
- **Type:** Electrical & Wiring
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 5260.08 AUD | In stock |

## Images

- 3889316 Wiring Harness Module | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3889316-wiring-harness-module-genuine-volvo-penta)
> Updated: 2026-10-07