Viper THFON1 | T-Harness 2008-2017 Ford DS4+

Professional Ford remote start installation made simple.

Product Overview

The Viper THFON1 T-Harness is a vehicle-specific wiring harness engineered exclusively for installing Viper DS4+ remote start systems in Ford vehicles manufactured between 2008 and 2017. This precision-designed harness provides plug-and-play connectivity that eliminates wire cutting and splicing, ensuring a clean, professional installation while preserving all factory vehicle functions.

Built specifically for Ford's electrical architecture during this model range, the THFON1 integrates seamlessly with the vehicle's existing wiring harness and connects directly to Viper's advanced DS4+ remote start system. This targeted compatibility ensures optimal performance and reduces installation complexity for both professional installers and experienced DIY enthusiasts.

Key Specifications

• Exclusively compatible with Viper DS4+ remote start systems
• Fits Ford vehicles 2008-2017 model years
• Plug-and-play installation - no wire cutting required
• Vehicle-specific connector design for Ford electrical systems
• Maintains all factory vehicle functions during installation
• Professional-grade automotive wiring and connectors
• Direct integration with DS4+ system architecture

Features & Benefits

Ford-Specific Engineering - Designed exclusively for Ford's electrical systems from 2008-2017, ensuring perfect connector compatibility and optimal signal integration without modification.

DS4+ System Optimisation - Purpose-built for Viper's DS4+ remote start system, taking advantage of its 5 high-current relays and D2D 2.0 peripheral connections for reliable Ford vehicle integration.

Streamlined Installation - Pre-wired connections eliminate guesswork and reduce installation time significantly, allowing installers to focus on system programming rather than wiring identification.

Factory Function Protection - Maintains all original Ford vehicle functions including steering wheel controls, dashboard warning systems, and diagnostic capabilities throughout the installation process.

Professional Reliability - Clean factory-style connections reduce electrical resistance and potential failure points, ensuring long-term system reliability in Australian driving conditions.

Advantages & Limitations

Advantages:

• Eliminates installation errors from wire cutting and splicing
• Significantly reduces labour time for Ford installations
• Maintains Ford vehicle warranty by preserving original wiring
• Ensures optimal DS4+ system performance on Ford platforms
• Professional-grade connections for long-term reliability

Limitations:

• DS4+ system compatibility only (not compatible with DS4 or older Viper systems)
• Limited to Ford vehicles 2008-2017 model years only
• Not universal - Ford-specific connector design

Technical Specs

• System compatibility: Viper DS4+ remote start systems only
• Vehicle coverage: Ford 2008-2017 model years
• Connection type: Ford-specific plug-and-play connectors
• Installation method: T-harness (inline with factory wiring)

Frequently Asked Questions

Will this work with DS4 systems? No, this harness is exclusively designed for DS4+ systems only. DS4 systems require different harnesses.

Does it fit all Ford models from 2008-2017? Compatible with most Ford models in this range, but verify your specific vehicle's wiring configuration before ordering.

Can I use this for 2018+ Ford vehicles? No, Ford changed their electrical architecture after 2017. Newer vehicles require different harnesses.

Do I need any additional components? This harness connects your Ford to the DS4+ system, but you'll need the complete DS4+ remote start kit separately.

Compatible With / Goes Well With

• Viper DS4+ remote start systems
• Ford vehicles 2008-2017 (most models)
• Viper smartphone app integration modules
• Professional automotive installation tools
• DS4+ system bypass modules (if required for your specific Ford)

Note: Verify your Ford model's specific compatibility before ordering. Some fleet or base-model Fords may require additional components.