Webasto Adapter Harness – Compatible with Volkswagen & Ford Factory-Fitted Heaters

This adapter harness is the ideal solution for upgrading a factory-installed Webasto heater in Volkswagen or Ford (2015 >) vehicles, enabling easy integration with modern remote starters and app-based control systems. The harness functions as a plug-and-play bridge between the vehicle’s original wiring and the new Webasto control unit – without cutting, splicing, or modifying the OEM electrical system.

Compatibility

• Volkswagen with factory-installed Webasto heater and T91 remote
• Ford (2015 >) with factory-installed Webasto heater and T91 remote

Supports Upgrades To

• Webasto T99 remote control
• Webasto T100 HTM
• Webasto ThermoConnect TCon2 (AppStart)
• Other Webasto control units with compatible input

Product Benefits

• Plug-and-play installation – no cutting or modifying the vehicle’s OEM wiring
• Fully compatible with the latest Webasto remote and app-based control units
• Retains all original heating system functions in the vehicle
• Professional fitment designed for reliability and long-term durability
• Perfect upgrade for increased range, improved comfort, and smarter heater control

Description

This adapter harness acts as a bridge between the vehicle’s factory wiring and the new Webasto controller. It enables a seamless upgrade from older systems such as the T91 to modern solutions like ThermoConnect TCon2, T99, or T100 HTM. Ideal for workshops and private users seeking a safe, reliable, and installation-friendly way to modernize their pre-heating functionality.

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