Description
The Webasto Wiring Harness 9031714A is a genuine OEM accessory designed for seamless integration with Webasto air heaters, specifically when upgrading to advanced control systems.This high-quality wiring harness is essential for connecting the Unibox interface (part 9029784A) to compatible controllers such as the Smart Controller, MultiControl HD, or similar advanced units. It ensures reliable electrical communication, precise signal transmission, and optimal performance between the heater unit and the control interface.
Features
- Precision-engineered for durability and long-term reliability in demanding environments (automotive, marine, RV, and commercial applications).
- Multi-colored wires with pre-terminated connectors for straightforward, plug-and-play installation.
- Required when adding or upgrading to HD/Smart controllers on supported models.
Compatible
- Webasto Air Top 2000 ST
- Webasto Air Top Evo 3900
- Webasto Air Top Evo 5000
- Webasto Air Heater HL90





